15155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* $OpenBSD: jobs.c,v 1.38 2009/12/12 04:28:44 deraadt Exp $ */ 25155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 35155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/*- 4c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser * Copyright (c) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 55155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * Thorsten Glaser <tg@mirbsd.org> 65155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * 75155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * Provided that these terms and disclaimer and all copyright notices 85155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * are retained or reproduced in an accompanying document, permission 95155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * is granted to deal in this work without restriction, including un- 105155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * limited rights to use, publicly perform, distribute, sell, modify, 115155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * merge, give away, or sublicence. 125155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * 135155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * This work is provided "AS IS" and WITHOUT WARRANTY of any kind, to 145155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * the utmost extent permitted by applicable law, neither express nor 155155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * implied; without malicious intent or gross negligence. In no event 165155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * may a licensor, author or contributor be held liable for indirect, 175155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * direct, other damage, loss, or other issues arising in any way out 185155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * of dealing in the work, even if advised of the possibility of such 195155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * damage or existence of a defect, except proven that it results out 205155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * of said person's immediate fault when using the work as intended. 215155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 225155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 235155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#include "sh.h" 245155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 25c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser__RCSID("$MirOS: src/bin/mksh/jobs.c,v 1.94 2012/12/28 02:28:36 tg Exp $"); 265155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 275155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if HAVE_KILLPG 285155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define mksh_killpg killpg 295155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#else 305155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* cross fingers and hope kill is killpg-endowed */ 315155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define mksh_killpg(p,s) kill(-(p), (s)) 325155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 335155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 345155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* Order important! */ 355155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define PRUNNING 0 365155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define PEXITED 1 375155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define PSIGNALLED 2 385155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define PSTOPPED 3 395155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 40c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glasertypedef struct proc Proc; 415155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustruct proc { 425155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru Proc *next; /* next process in pipeline (if any) */ 435155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru pid_t pid; /* process id */ 445155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int state; 455155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int status; /* wait status */ 46c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser /* process command string from vistree */ 47c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser char command[64 - (ALLOC_SIZE + sizeof(Proc *) + sizeof(pid_t) + 48c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser 2 * sizeof(int))]; 495155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru}; 505155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 515155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* Notify/print flag - j_print() argument */ 525155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define JP_NONE 0 /* don't print anything */ 535155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define JP_SHORT 1 /* print signals processes were killed by */ 545155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define JP_MEDIUM 2 /* print [job-num] -/+ command */ 555155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define JP_LONG 3 /* print [job-num] -/+ pid command */ 565155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define JP_PGRP 4 /* print pgrp */ 575155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 585155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* put_job() flags */ 595155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define PJ_ON_FRONT 0 /* at very front */ 605155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define PJ_PAST_STOPPED 1 /* just past any stopped jobs */ 615155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 625155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* Job.flags values */ 635155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define JF_STARTED 0x001 /* set when all processes in job are started */ 645155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define JF_WAITING 0x002 /* set if j_waitj() is waiting on job */ 655155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define JF_W_ASYNCNOTIFY 0x004 /* set if waiting and async notification ok */ 665155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define JF_XXCOM 0x008 /* set for $(command) jobs */ 675155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define JF_FG 0x010 /* running in foreground (also has tty pgrp) */ 6803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define JF_SAVEDTTY 0x020 /* j->ttystat is valid */ 695155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define JF_CHANGED 0x040 /* process has changed state */ 705155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define JF_KNOWN 0x080 /* $! referenced */ 715155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define JF_ZOMBIE 0x100 /* known, unwaited process */ 725155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define JF_REMOVE 0x200 /* flagged for removal (j_jobs()/j_noityf()) */ 735155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define JF_USETTYMODE 0x400 /* tty mode saved if process exits normally */ 745155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define JF_SAVEDTTYPGRP 0x800 /* j->saved_ttypgrp is valid */ 755155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 765155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querutypedef struct job Job; 775155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustruct job { 785155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru Job *next; /* next job in list */ 795155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru Proc *proc_list; /* process list */ 805155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru Proc *last_proc; /* last process in list */ 815155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru struct timeval systime; /* system time used by job */ 825155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru struct timeval usrtime; /* user time used by job */ 835155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru pid_t pgrp; /* process group of job */ 845155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru pid_t ppid; /* pid of process that forked job */ 855155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int job; /* job number: %n */ 865155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int flags; /* see JF_* */ 875155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru volatile int state; /* job state */ 885155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int status; /* exit status of last process */ 895155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int32_t age; /* number of jobs started */ 905155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru Coproc_id coproc_id; /* 0 or id of coprocess output pipe */ 915155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef MKSH_UNEMPLOYED 92c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser mksh_ttyst ttystat; /* saved tty state for stopped jobs */ 935155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru pid_t saved_ttypgrp; /* saved tty process group for stopped jobs */ 945155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 955155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru}; 965155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 975155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* Flags for j_waitj() */ 985155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define JW_NONE 0x00 995155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define JW_INTERRUPT 0x01 /* ^C will stop the wait */ 1005155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define JW_ASYNCNOTIFY 0x02 /* asynchronous notification during wait ok */ 1015155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define JW_STOPPEDWAIT 0x04 /* wait even if job stopped */ 10203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define JW_PIPEST 0x08 /* want PIPESTATUS */ 1035155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 1045155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* Error codes for j_lookup() */ 1055155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define JL_OK 0 1065155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define JL_NOSUCH 1 /* no such job */ 1075155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define JL_AMBIG 2 /* %foo or %?foo is ambiguous */ 1085155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define JL_INVALID 3 /* non-pid, non-% job id */ 1095155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 110c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaserstatic const char * const lookup_msgs[] = { 1115155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru null, 1125155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru "no such job", 1135155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru "ambiguous", 1145155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru "argument must be %job or process id", 1155155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru NULL 1165155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru}; 1175155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 1185155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic Job *job_list; /* job list */ 1195155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic Job *last_job; 1205155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic Job *async_job; 1215155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic pid_t async_pid; 1225155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 1235155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic int nzombie; /* # of zombies owned by this process */ 1245155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic int32_t njobs; /* # of jobs started */ 1255155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 1265155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef CHILD_MAX 1275155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define CHILD_MAX 25 1285155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 1295155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 13003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifndef MKSH_NOPROSPECTOFWORK 1315155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* held_sigchld is set if sigchld occurs before a job is completely started */ 1325155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic volatile sig_atomic_t held_sigchld; 13303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 1345155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 1355155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef MKSH_UNEMPLOYED 1365155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic struct shf *shl_j; 1375155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic bool ttypgrp_ok; /* set if can use tty pgrps */ 1385155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic pid_t restore_ttypgrp = -1; 1395155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic int const tt_sigs[] = { SIGTSTP, SIGTTIN, SIGTTOU }; 1405155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 1415155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 1425155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic void j_set_async(Job *); 1435155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic void j_startjob(Job *); 1445155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic int j_waitj(Job *, int, const char *); 1455155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic void j_sigchld(int); 1465155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic void j_print(Job *, int, struct shf *); 1475155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic Job *j_lookup(const char *, int *); 1485155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic Job *new_job(void); 1495155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic Proc *new_proc(void); 1505155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic void check_job(Job *); 1515155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic void put_job(Job *, int); 1525155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic void remove_job(Job *, const char *); 1535155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic int kill_job(Job *, int); 1545155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 155c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaserstatic void tty_init_talking(void); 156c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaserstatic void tty_init_state(void); 157c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser 1585155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* initialise job control */ 1595155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid 1605155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruj_init(void) 1615155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru{ 1625155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef MKSH_UNEMPLOYED 1635155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru bool mflagset = Flag(FMONITOR) != 127; 1645155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 1655155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru Flag(FMONITOR) = 0; 1665155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 1675155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 16803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifndef MKSH_NOPROSPECTOFWORK 1695155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (void)sigemptyset(&sm_default); 1705155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigprocmask(SIG_SETMASK, &sm_default, NULL); 1715155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 1725155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (void)sigemptyset(&sm_sigchld); 1735155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (void)sigaddset(&sm_sigchld, SIGCHLD); 1745155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 1755155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru setsig(&sigtraps[SIGCHLD], j_sigchld, 1765155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru SS_RESTORE_ORIG|SS_FORCE|SS_SHTRAP); 17703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#else 17803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* Make sure SIGCHLD isn't ignored - can do odd things under SYSV */ 17903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra setsig(&sigtraps[SIGCHLD], SIG_DFL, SS_RESTORE_ORIG|SS_FORCE); 18003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 1815155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 1825155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef MKSH_UNEMPLOYED 1835155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (!mflagset && Flag(FTALKING)) 1845155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru Flag(FMONITOR) = 1; 1855155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 1865155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* 1875155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * shl_j is used to do asynchronous notification (used in 1885155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * an interrupt handler, so need a distinct shf) 1895155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 1905155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru shl_j = shf_fdopen(2, SHF_WR, NULL); 1915155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 1925155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (Flag(FMONITOR) || Flag(FTALKING)) { 1935155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int i; 1945155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 1955155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* 1965155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * the TF_SHELL_USES test is a kludge that lets us know if 1975155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * if the signals have been changed by the shell. 1985155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 1995155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru for (i = NELEM(tt_sigs); --i >= 0; ) { 2005155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigtraps[tt_sigs[i]].flags |= TF_SHELL_USES; 2015155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* j_change() sets this to SS_RESTORE_DFL if FMONITOR */ 2025155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru setsig(&sigtraps[tt_sigs[i]], SIG_IGN, 2035155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru SS_RESTORE_IGN|SS_FORCE); 2045155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 2055155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 2065155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 207c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser /* j_change() calls tty_init_talking() and tty_init_state() */ 2085155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (Flag(FMONITOR)) 2095155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j_change(); 2105155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru else 2115155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 212c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser if (Flag(FTALKING)) { 213c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser tty_init_talking(); 214c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser tty_init_state(); 215c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser } 2165155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} 2175155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 21803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condrastatic int 21903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condraproc_errorlevel(Proc *p) 22003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra{ 22103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra switch (p->state) { 22203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra case PEXITED: 22303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra return (WEXITSTATUS(p->status)); 22403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra case PSIGNALLED: 22503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra return (128 + WTERMSIG(p->status)); 22603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra default: 22703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra return (0); 22803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra } 22903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra} 23003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 2315155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* job cleanup before shell exit */ 2325155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid 2335155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruj_exit(void) 2345155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru{ 2355155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* kill stopped, and possibly running, jobs */ 23603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra Job *j; 23703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra bool killed = false; 2385155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 2395155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru for (j = job_list; j != NULL; j = j->next) { 2405155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j->ppid == procpid && 2415155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (j->state == PSTOPPED || 2425155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (j->state == PRUNNING && 2435155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru ((j->flags & JF_FG) || 2445155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (Flag(FLOGIN) && !Flag(FNOHUP) && procpid == kshpid))))) { 24503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra killed = true; 2465155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j->pgrp == 0) 2475155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru kill_job(j, SIGHUP); 2485155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru else 2495155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru mksh_killpg(j->pgrp, SIGHUP); 2505155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef MKSH_UNEMPLOYED 2515155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j->state == PSTOPPED) { 2525155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j->pgrp == 0) 2535155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru kill_job(j, SIGCONT); 2545155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru else 2555155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru mksh_killpg(j->pgrp, SIGCONT); 2565155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 2575155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 2585155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 2595155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 2605155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (killed) 2615155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sleep(1); 2625155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j_notify(); 2635155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 2645155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef MKSH_UNEMPLOYED 2655155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (kshpid == procpid && restore_ttypgrp >= 0) { 2665155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* 2675155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * Need to restore the tty pgrp to what it was when the 2685155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * shell started up, so that the process that started us 2695155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * will be able to access the tty when we are done. 2705155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * Also need to restore our process group in case we are 2715155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * about to do an exec so that both our parent and the 2725155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * process we are to become will be able to access the tty. 2735155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 2745155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru tcsetpgrp(tty_fd, restore_ttypgrp); 2755155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru setpgid(0, restore_ttypgrp); 2765155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 2775155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (Flag(FMONITOR)) { 2785155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru Flag(FMONITOR) = 0; 2795155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j_change(); 2805155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 2815155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 2825155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} 2835155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 2845155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef MKSH_UNEMPLOYED 2855155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* turn job control on or off according to Flag(FMONITOR) */ 2865155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid 2875155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruj_change(void) 2885155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru{ 2895155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int i; 2905155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 2915155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (Flag(FMONITOR)) { 2925155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru bool use_tty = Flag(FTALKING); 2935155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 294c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser /* don't call mksh_tcget until we own the tty process group */ 2955155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (use_tty) 296c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser tty_init_talking(); 2975155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 2985155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* no controlling tty, no SIGT* */ 299c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser if ((ttypgrp_ok = (use_tty && tty_fd >= 0 && tty_devtty))) { 3005155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru setsig(&sigtraps[SIGTTIN], SIG_DFL, 3015155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru SS_RESTORE_ORIG|SS_FORCE); 3025155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* wait to be given tty (POSIX.1, B.2, job control) */ 30303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra while (/* CONSTCOND */ 1) { 3045155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru pid_t ttypgrp; 3055155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 3065155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if ((ttypgrp = tcgetpgrp(tty_fd)) < 0) { 30703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra warningf(false, "%s: %s %s: %s", 30803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra "j_init", "tcgetpgrp", "failed", 309c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser cstrerror(errno)); 3105155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru ttypgrp_ok = false; 3115155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru break; 3125155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 3135155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (ttypgrp == kshpgrp) 3145155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru break; 3155155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru kill(0, SIGTTIN); 3165155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 3175155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 3185155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru for (i = NELEM(tt_sigs); --i >= 0; ) 3195155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru setsig(&sigtraps[tt_sigs[i]], SIG_IGN, 3205155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru SS_RESTORE_DFL|SS_FORCE); 3215155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (ttypgrp_ok && kshpgrp != kshpid) { 3225155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (setpgid(0, kshpid) < 0) { 32303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra warningf(false, "%s: %s %s: %s", "j_init", 324c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser "setpgid", "failed", cstrerror(errno)); 3255155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru ttypgrp_ok = false; 3265155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } else { 3275155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (tcsetpgrp(tty_fd, kshpid) < 0) { 32803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra warningf(false, "%s: %s %s: %s", 32903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra "j_init", "tcsetpgrp", "failed", 330c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser cstrerror(errno)); 3315155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru ttypgrp_ok = false; 3325155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } else 3335155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru restore_ttypgrp = kshpgrp; 3345155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru kshpgrp = kshpid; 3355155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 3365155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 337c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser#ifndef MKSH_DISABLE_TTY_WARNING 3385155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (use_tty && !ttypgrp_ok) 33903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra warningf(false, "%s: %s", "warning", 34003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra "won't have full job control"); 341c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser#endif 3425155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } else { 3435155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru ttypgrp_ok = false; 3445155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (Flag(FTALKING)) 3455155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru for (i = NELEM(tt_sigs); --i >= 0; ) 3465155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru setsig(&sigtraps[tt_sigs[i]], SIG_IGN, 3475155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru SS_RESTORE_IGN|SS_FORCE); 3485155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru else 3495155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru for (i = NELEM(tt_sigs); --i >= 0; ) { 3505155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (sigtraps[tt_sigs[i]].flags & 3515155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (TF_ORIG_IGN | TF_ORIG_DFL)) 3525155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru setsig(&sigtraps[tt_sigs[i]], 3535155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (sigtraps[tt_sigs[i]].flags & TF_ORIG_IGN) ? 3545155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru SIG_IGN : SIG_DFL, 3555155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru SS_RESTORE_ORIG|SS_FORCE); 3565155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 3575155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 358c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser tty_init_state(); 3595155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} 3605155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 3615155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 36203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#if HAVE_NICE 36303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra/* run nice(3) and ignore the result */ 36403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condrastatic void 36503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condraksh_nice(int ness) 36603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra{ 36703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#if defined(__USE_FORTIFY_LEVEL) && (__USE_FORTIFY_LEVEL > 0) 368c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser int eno; 36903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 37003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra errno = 0; 37103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* this is gonna annoy users; complain to your distro, people! */ 372c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser if (nice(ness) == -1 && (eno = errno) != 0) 373c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser warningf(false, "%s: %s", "bgnice", cstrerror(eno)); 37403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#else 37503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra (void)nice(ness); 37603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 37703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra} 37803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 37903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 3805155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* execute tree in child subprocess */ 3815155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint 3825155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruexchild(struct op *t, int flags, 3835155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru volatile int *xerrok, 38403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* used if XPCLOSE or XCCLOSE */ 38503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra int close_fd) 3865155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru{ 38703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* for pipelines */ 38803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra static Proc *last_proc; 3895155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 39003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra int rv = 0, forksleep, jwflags = JW_NONE; 39103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifndef MKSH_NOPROSPECTOFWORK 3925155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigset_t omask; 39303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 39403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra Proc *p; 39503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra Job *j; 39603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra pid_t cldpid; 39703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 39803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra if (flags & XPIPEST) { 39903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra flags &= ~XPIPEST; 40003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra jwflags |= JW_PIPEST; 40103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra } 4025155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 4035155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (flags & XEXEC) 4045155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* 4055155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * Clear XFORK|XPCLOSE|XCCLOSE|XCOPROC|XPIPEO|XPIPEI|XXCOM|XBGND 4065155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * (also done in another execute() below) 4075155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 4085155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (execute(t, flags & (XEXEC | XERROK), xerrok)); 4095155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 41003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifndef MKSH_NOPROSPECTOFWORK 4115155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* no SIGCHLDs while messing with job and process lists */ 4125155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigprocmask(SIG_BLOCK, &sm_sigchld, &omask); 41303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 4145155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 41503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra p = new_proc(); 41603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra p->next = NULL; 41703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra p->state = PRUNNING; 41803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra p->status = 0; 41903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra p->pid = 0; 4205155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 4215155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* link process into jobs list */ 4225155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (flags & XPIPEI) { 4235155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* continuing with a pipe */ 4245155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (!last_job) 42503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra internal_errorf("%s %d", 42603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra "exchild: XPIPEI and no last_job - pid", 4275155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (int)procpid); 42803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra j = last_job; 4295155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (last_proc) 43003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra last_proc->next = p; 43103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra last_proc = p; 4325155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } else { 43303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* fills in j->job */ 43403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra j = new_job(); 4355155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* 4365155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * we don't consider XXCOMs foreground since they don't get 4375155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * tty process group and we don't save or restore tty modes. 4385155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 43903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra j->flags = (flags & XXCOM) ? JF_XXCOM : 4405155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru ((flags & XBGND) ? 0 : (JF_FG|JF_USETTYMODE)); 44103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra timerclear(&j->usrtime); 44203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra timerclear(&j->systime); 44303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra j->state = PRUNNING; 44403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra j->pgrp = 0; 44503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra j->ppid = procpid; 44603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra j->age = ++njobs; 44703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra j->proc_list = p; 44803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra j->coproc_id = 0; 44903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra last_job = j; 45003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra last_proc = p; 45103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra put_job(j, PJ_PAST_STOPPED); 4525155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 4535155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 45403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra vistree(p->command, sizeof(p->command), t); 4555155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 4565155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* create child process */ 4575155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru forksleep = 1; 45803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra while ((cldpid = fork()) < 0 && errno == EAGAIN && forksleep < 32) { 45903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra if (intrsig) 46003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* allow user to ^C out... */ 4615155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru break; 4625155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sleep(forksleep); 4635155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru forksleep <<= 1; 4645155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 46503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* ensure $RANDOM changes between parent and child */ 46603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra rndset((long)cldpid); 46703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* fork failed? */ 46803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra if (cldpid < 0) { 46903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra kill_job(j, SIGKILL); 47003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra remove_job(j, "fork failed"); 47103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifndef MKSH_NOPROSPECTOFWORK 4725155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigprocmask(SIG_SETMASK, &omask, NULL); 47303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 47403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra errorf("can't fork - try again"); 4755155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 47603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra p->pid = cldpid ? cldpid : (procpid = getpid()); 4775155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 4785155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef MKSH_UNEMPLOYED 4795155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* job control set up */ 4805155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (Flag(FMONITOR) && !(flags&XXCOM)) { 48103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra bool dotty = false; 482c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser 48303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra if (j->pgrp == 0) { 48403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* First process */ 48503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra j->pgrp = p->pid; 48603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra dotty = true; 4875155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 4885155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 48903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* 49003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra * set pgrp in both parent and child to deal with race 4915155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * condition 4925155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 49303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra setpgid(p->pid, j->pgrp); 4945155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (ttypgrp_ok && dotty && !(flags & XBGND)) 49503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra tcsetpgrp(tty_fd, j->pgrp); 4965155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 4975155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 4985155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 4995155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* used to close pipe input fd */ 50003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra if (close_fd >= 0 && (((flags & XPCLOSE) && cldpid) || 50103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra ((flags & XCCLOSE) && !cldpid))) 5025155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru close(close_fd); 50303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra if (!cldpid) { 5045155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* child */ 5055155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 5065155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* Do this before restoring signal */ 5075155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (flags & XCOPROC) 5085155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru coproc_cleanup(false); 50903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifndef MKSH_NOPROSPECTOFWORK 5105155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigprocmask(SIG_SETMASK, &omask, NULL); 51103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 5125155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru cleanup_parents_env(); 5135155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef MKSH_UNEMPLOYED 51403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* 51503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra * If FMONITOR or FTALKING is set, these signals are ignored, 5165155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * if neither FMONITOR nor FTALKING are set, the signals have 5175155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * their inherited values. 5185155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 5195155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (Flag(FMONITOR) && !(flags & XXCOM)) { 5205155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru for (forksleep = NELEM(tt_sigs); --forksleep >= 0; ) 5215155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru setsig(&sigtraps[tt_sigs[forksleep]], SIG_DFL, 5225155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru SS_RESTORE_DFL|SS_FORCE); 5235155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 5245155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 5255155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if HAVE_NICE 5265155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (Flag(FBGNICE) && (flags & XBGND)) 52703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra ksh_nice(4); 5285155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 5295155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if ((flags & XBGND) 5305155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef MKSH_UNEMPLOYED 5315155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru && !Flag(FMONITOR) 5325155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 5335155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru ) { 5345155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru setsig(&sigtraps[SIGINT], SIG_IGN, 5355155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru SS_RESTORE_IGN|SS_FORCE); 5365155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru setsig(&sigtraps[SIGQUIT], SIG_IGN, 5375155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru SS_RESTORE_IGN|SS_FORCE); 5385155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if ((!(flags & (XPIPEI | XCOPROC))) && 5395155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru ((forksleep = open("/dev/null", 0)) > 0)) { 5405155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (void)ksh_dup2(forksleep, 0, true); 5415155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru close(forksleep); 5425155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 5435155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 54403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* in case of $(jobs) command */ 54503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra remove_job(j, "child"); 5465155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru nzombie = 0; 5475155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef MKSH_UNEMPLOYED 5485155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru ttypgrp_ok = false; 5495155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru Flag(FMONITOR) = 0; 5505155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 5515155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru Flag(FTALKING) = 0; 5525155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru cleartraps(); 5535155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* no return */ 5545155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru execute(t, (flags & XERROK) | XEXEC, NULL); 5555155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef MKSH_SMALL 5565155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (t->type == TPIPE) 5575155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru unwind(LLEAVE); 55803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra internal_warningf("%s: %s", "exchild", "execute() returned"); 55903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra fptreef(shl_out, 8, "%s: tried to execute {\n\t%T\n}\n", 56003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra "exchild", t); 5615155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru shf_flush(shl_out); 5625155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 5635155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru unwind(LLEAVE); 5645155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* NOTREACHED */ 5655155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 5665155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 5675155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* shell (parent) stuff */ 56803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra if (!(flags & XPIPEO)) { 56903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* last process in a job */ 57003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra j_startjob(j); 5715155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (flags & XCOPROC) { 57203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra j->coproc_id = coproc.id; 5735155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* n jobs using co-process output */ 5745155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru coproc.njobs++; 5755155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* j using co-process input */ 57603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra coproc.job = (void *)j; 5775155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 5785155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (flags & XBGND) { 57903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra j_set_async(j); 5805155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (Flag(FTALKING)) { 58103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra shf_fprintf(shl_out, "[%d]", j->job); 58203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra for (p = j->proc_list; p; p = p->next) 5835155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru shf_fprintf(shl_out, " %d", 58403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra (int)p->pid); 5855155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru shf_putchar('\n', shl_out); 5865155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru shf_flush(shl_out); 5875155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 5885155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } else 58903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra rv = j_waitj(j, jwflags, "jw:last proc"); 5905155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 5915155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 59203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifndef MKSH_NOPROSPECTOFWORK 5935155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigprocmask(SIG_SETMASK, &omask, NULL); 59403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 5955155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 5965155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (rv); 5975155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} 5985155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 5995155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* start the last job: only used for $(command) jobs */ 6005155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid 6015155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustartlast(void) 6025155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru{ 60303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifndef MKSH_NOPROSPECTOFWORK 6045155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigset_t omask; 6055155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 6065155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigprocmask(SIG_BLOCK, &sm_sigchld, &omask); 60703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 6085155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 60903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* no need to report error - waitlast() will do it */ 61003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra if (last_job) { 6115155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* ensure it isn't removed by check_job() */ 6125155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru last_job->flags |= JF_WAITING; 6135155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j_startjob(last_job); 6145155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 61503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifndef MKSH_NOPROSPECTOFWORK 6165155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigprocmask(SIG_SETMASK, &omask, NULL); 61703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 6185155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} 6195155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 6205155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* wait for last job: only used for $(command) jobs */ 6215155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint 6225155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruwaitlast(void) 6235155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru{ 62403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra int rv; 62503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra Job *j; 62603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifndef MKSH_NOPROSPECTOFWORK 6275155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigset_t omask; 6285155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 6295155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigprocmask(SIG_BLOCK, &sm_sigchld, &omask); 63003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 6315155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 6325155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j = last_job; 6335155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (!j || !(j->flags & JF_STARTED)) { 6345155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (!j) 63503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra warningf(true, "%s: %s", "waitlast", "no last job"); 6365155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru else 63703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra internal_warningf("%s: %s", "waitlast", "not started"); 63803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifndef MKSH_NOPROSPECTOFWORK 6395155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigprocmask(SIG_SETMASK, &omask, NULL); 64003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 64103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* not so arbitrary, non-zero value */ 64203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra return (125); 6435155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 6445155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 64503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra rv = j_waitj(j, JW_NONE, "waitlast"); 6465155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 64703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifndef MKSH_NOPROSPECTOFWORK 6485155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigprocmask(SIG_SETMASK, &omask, NULL); 64903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 6505155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 6515155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (rv); 6525155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} 6535155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 6545155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* wait for child, interruptable. */ 6555155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint 6565155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruwaitfor(const char *cp, int *sigp) 6575155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru{ 65803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra int rv, ecode, flags = JW_INTERRUPT|JW_ASYNCNOTIFY; 65903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra Job *j; 66003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifndef MKSH_NOPROSPECTOFWORK 6615155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigset_t omask; 6625155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 6635155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigprocmask(SIG_BLOCK, &sm_sigchld, &omask); 66403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 6655155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 6665155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru *sigp = 0; 6675155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 6685155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (cp == NULL) { 6695155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* 6705155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * wait for an unspecified job - always returns 0, so 6715155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * don't have to worry about exited/signaled jobs 6725155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 6735155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru for (j = job_list; j; j = j->next) 6745155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* AT&T ksh will wait for stopped jobs - we don't */ 6755155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j->ppid == procpid && j->state == PRUNNING) 6765155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru break; 6775155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (!j) { 67803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifndef MKSH_NOPROSPECTOFWORK 6795155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigprocmask(SIG_SETMASK, &omask, NULL); 68003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 6815155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (-1); 6825155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 6835155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } else if ((j = j_lookup(cp, &ecode))) { 6845155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* don't report normal job completion */ 6855155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru flags &= ~JW_ASYNCNOTIFY; 6865155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j->ppid != procpid) { 68703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifndef MKSH_NOPROSPECTOFWORK 6885155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigprocmask(SIG_SETMASK, &omask, NULL); 68903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 6905155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (-1); 6915155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 6925155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } else { 69303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifndef MKSH_NOPROSPECTOFWORK 6945155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigprocmask(SIG_SETMASK, &omask, NULL); 69503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 6965155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (ecode != JL_NOSUCH) 6975155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru bi_errorf("%s: %s", cp, lookup_msgs[ecode]); 6985155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (-1); 6995155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 7005155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 7015155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* AT&T ksh will wait for stopped jobs - we don't */ 7025155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru rv = j_waitj(j, flags, "jw:waitfor"); 7035155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 70403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifndef MKSH_NOPROSPECTOFWORK 7055155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigprocmask(SIG_SETMASK, &omask, NULL); 70603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 7075155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 70803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra if (rv < 0) 70903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* we were interrupted */ 7105155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru *sigp = 128 + -rv; 7115155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 7125155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (rv); 7135155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} 7145155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 7155155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* kill (built-in) a job */ 7165155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint 7175155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruj_kill(const char *cp, int sig) 7185155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru{ 71903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra Job *j; 72003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra int rv = 0, ecode; 72103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifndef MKSH_NOPROSPECTOFWORK 7225155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigset_t omask; 7235155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 7245155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigprocmask(SIG_BLOCK, &sm_sigchld, &omask); 72503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 7265155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 7275155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if ((j = j_lookup(cp, &ecode)) == NULL) { 72803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifndef MKSH_NOPROSPECTOFWORK 7295155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigprocmask(SIG_SETMASK, &omask, NULL); 73003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 7315155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru bi_errorf("%s: %s", cp, lookup_msgs[ecode]); 7325155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (1); 7335155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 7345155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 73503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra if (j->pgrp == 0) { 73603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* started when !Flag(FMONITOR) */ 7375155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (kill_job(j, sig) < 0) { 738c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser bi_errorf("%s: %s", cp, cstrerror(errno)); 7395155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru rv = 1; 7405155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 7415155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } else { 7425155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef MKSH_UNEMPLOYED 7435155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j->state == PSTOPPED && (sig == SIGTERM || sig == SIGHUP)) 7445155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru mksh_killpg(j->pgrp, SIGCONT); 7455155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 7465155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (mksh_killpg(j->pgrp, sig) < 0) { 747c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser bi_errorf("%s: %s", cp, cstrerror(errno)); 7485155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru rv = 1; 7495155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 7505155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 7515155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 75203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifndef MKSH_NOPROSPECTOFWORK 7535155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigprocmask(SIG_SETMASK, &omask, NULL); 75403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 7555155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 7565155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (rv); 7575155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} 7585155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 7595155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef MKSH_UNEMPLOYED 7605155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* fg and bg built-ins: called only if Flag(FMONITOR) set */ 7615155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint 7625155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruj_resume(const char *cp, int bg) 7635155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru{ 76403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra Job *j; 76503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra Proc *p; 76603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra int ecode, rv = 0; 76703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra bool running; 7685155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigset_t omask; 7695155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 7705155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigprocmask(SIG_BLOCK, &sm_sigchld, &omask); 7715155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 7725155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if ((j = j_lookup(cp, &ecode)) == NULL) { 7735155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigprocmask(SIG_SETMASK, &omask, NULL); 7745155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru bi_errorf("%s: %s", cp, lookup_msgs[ecode]); 7755155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (1); 7765155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 7775155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 7785155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j->pgrp == 0) { 7795155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigprocmask(SIG_SETMASK, &omask, NULL); 7805155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru bi_errorf("job not job-controlled"); 7815155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (1); 7825155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 7835155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 7845155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (bg) 7855155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru shprintf("[%d] ", j->job); 7865155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 78703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra running = false; 7885155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru for (p = j->proc_list; p != NULL; p = p->next) { 7895155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (p->state == PSTOPPED) { 7905155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru p->state = PRUNNING; 7915155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru p->status = 0; 79203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra running = true; 7935155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 7945155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru shf_puts(p->command, shl_stdout); 7955155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (p->next) 7965155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru shf_puts("| ", shl_stdout); 7975155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 7985155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru shf_putc('\n', shl_stdout); 7995155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru shf_flush(shl_stdout); 8005155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (running) 8015155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j->state = PRUNNING; 8025155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 8035155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru put_job(j, PJ_PAST_STOPPED); 8045155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (bg) 8055155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j_set_async(j); 8065155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru else { 8075155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* attach tty to job */ 8085155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j->state == PRUNNING) { 8095155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (ttypgrp_ok && (j->flags & JF_SAVEDTTY)) 810c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser mksh_tcset(tty_fd, &j->ttystat); 8115155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* See comment in j_waitj regarding saved_ttypgrp. */ 8125155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (ttypgrp_ok && 8135155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru tcsetpgrp(tty_fd, (j->flags & JF_SAVEDTTYPGRP) ? 8145155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j->saved_ttypgrp : j->pgrp) < 0) { 8155155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru rv = errno; 8165155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j->flags & JF_SAVEDTTY) 817c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser mksh_tcset(tty_fd, &tty_state); 81803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra sigprocmask(SIG_SETMASK, &omask, NULL); 81903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra bi_errorf("%s %s(%d, %ld) %s: %s", 82003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra "1st", "tcsetpgrp", tty_fd, 82103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra (long)((j->flags & JF_SAVEDTTYPGRP) ? 82203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra j->saved_ttypgrp : j->pgrp), "failed", 823c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser cstrerror(rv)); 8245155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (1); 8255155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 8265155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 8275155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j->flags |= JF_FG; 8285155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j->flags &= ~JF_KNOWN; 8295155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j == async_job) 8305155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru async_job = NULL; 8315155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 8325155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 8335155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j->state == PRUNNING && mksh_killpg(j->pgrp, SIGCONT) < 0) { 834c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser int eno = errno; 8355155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 8365155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (!bg) { 8375155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j->flags &= ~JF_FG; 8385155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (ttypgrp_ok && (j->flags & JF_SAVEDTTY)) 839c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser mksh_tcset(tty_fd, &tty_state); 8405155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (ttypgrp_ok && tcsetpgrp(tty_fd, kshpgrp) < 0) 84103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra warningf(true, "%s %s(%d, %ld) %s: %s", 84203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra "fg: 2nd", "tcsetpgrp", tty_fd, 843c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser (long)kshpgrp, "failed", cstrerror(errno)); 8445155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 8455155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigprocmask(SIG_SETMASK, &omask, NULL); 84603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra bi_errorf("%s %s %s", "can't continue job", 847c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser cp, cstrerror(eno)); 8485155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (1); 8495155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 8505155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (!bg) { 8515155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (ttypgrp_ok) { 8525155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j->flags &= ~(JF_SAVEDTTY | JF_SAVEDTTYPGRP); 8535155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 8545155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru rv = j_waitj(j, JW_NONE, "jw:resume"); 8555155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 8565155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigprocmask(SIG_SETMASK, &omask, NULL); 8575155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (rv); 8585155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} 8595155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 8605155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 8615155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* are there any running or stopped jobs ? */ 8625155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint 8635155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruj_stopped_running(void) 8645155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru{ 86503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra Job *j; 86603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra int which = 0; 8675155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 8685155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru for (j = job_list; j != NULL; j = j->next) { 8695155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef MKSH_UNEMPLOYED 8705155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j->ppid == procpid && j->state == PSTOPPED) 8715155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru which |= 1; 8725155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 8735155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (Flag(FLOGIN) && !Flag(FNOHUP) && procpid == kshpid && 8745155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j->ppid == procpid && j->state == PRUNNING) 8755155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru which |= 2; 8765155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 8775155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (which) { 8785155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru shellf("You have %s%s%s jobs\n", 8795155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru which & 1 ? "stopped" : "", 8805155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru which == 3 ? " and " : "", 8815155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru which & 2 ? "running" : ""); 8825155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (1); 8835155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 8845155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 8855155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (0); 8865155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} 8875155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 8885155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 8895155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* list jobs for jobs built-in */ 8905155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint 8915155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruj_jobs(const char *cp, int slp, 89203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* 0: short, 1: long, 2: pgrp */ 89303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra int nflag) 8945155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru{ 89503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra Job *j, *tmp; 89603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra int how, zflag = 0; 89703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifndef MKSH_NOPROSPECTOFWORK 8985155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigset_t omask; 8995155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 9005155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigprocmask(SIG_BLOCK, &sm_sigchld, &omask); 90103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 9025155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 90303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra if (nflag < 0) { 90403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* kludge: print zombies */ 9055155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru nflag = 0; 9065155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru zflag = 1; 9075155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 9085155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (cp) { 9095155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int ecode; 9105155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 9115155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if ((j = j_lookup(cp, &ecode)) == NULL) { 91203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifndef MKSH_NOPROSPECTOFWORK 9135155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigprocmask(SIG_SETMASK, &omask, NULL); 91403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 9155155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru bi_errorf("%s: %s", cp, lookup_msgs[ecode]); 9165155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (1); 9175155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 9185155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } else 9195155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j = job_list; 9205155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru how = slp == 0 ? JP_MEDIUM : (slp == 1 ? JP_LONG : JP_PGRP); 9215155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru for (; j; j = j->next) { 9225155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if ((!(j->flags & JF_ZOMBIE) || zflag) && 9235155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (!nflag || (j->flags & JF_CHANGED))) { 9245155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j_print(j, how, shl_stdout); 9255155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j->state == PEXITED || j->state == PSIGNALLED) 9265155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j->flags |= JF_REMOVE; 9275155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 9285155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (cp) 9295155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru break; 9305155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 9315155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* Remove jobs after printing so there won't be multiple + or - jobs */ 9325155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru for (j = job_list; j; j = tmp) { 9335155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru tmp = j->next; 9345155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j->flags & JF_REMOVE) 9355155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru remove_job(j, "jobs"); 9365155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 93703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifndef MKSH_NOPROSPECTOFWORK 9385155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigprocmask(SIG_SETMASK, &omask, NULL); 93903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 9405155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (0); 9415155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} 9425155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 9435155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* list jobs for top-level notification */ 9445155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid 9455155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruj_notify(void) 9465155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru{ 94703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra Job *j, *tmp; 94803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifndef MKSH_NOPROSPECTOFWORK 9495155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigset_t omask; 9505155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 9515155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigprocmask(SIG_BLOCK, &sm_sigchld, &omask); 95203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 9535155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru for (j = job_list; j; j = j->next) { 9545155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef MKSH_UNEMPLOYED 9555155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (Flag(FMONITOR) && (j->flags & JF_CHANGED)) 9565155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j_print(j, JP_MEDIUM, shl_out); 9575155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 95803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* 95903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra * Remove job after doing reports so there aren't 9605155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * multiple +/- jobs. 9615155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 9625155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j->state == PEXITED || j->state == PSIGNALLED) 9635155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j->flags |= JF_REMOVE; 9645155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 9655155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru for (j = job_list; j; j = tmp) { 9665155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru tmp = j->next; 9675155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j->flags & JF_REMOVE) 9685155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru remove_job(j, "notify"); 9695155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 9705155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru shf_flush(shl_out); 97103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifndef MKSH_NOPROSPECTOFWORK 9725155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigprocmask(SIG_SETMASK, &omask, NULL); 97303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 9745155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} 9755155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 9765155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* Return pid of last process in last asynchronous job */ 9775155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querupid_t 9785155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruj_async(void) 9795155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru{ 98003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifndef MKSH_NOPROSPECTOFWORK 9815155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigset_t omask; 9825155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 9835155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigprocmask(SIG_BLOCK, &sm_sigchld, &omask); 98403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 9855155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 9865155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (async_job) 9875155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru async_job->flags |= JF_KNOWN; 9885155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 98903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifndef MKSH_NOPROSPECTOFWORK 9905155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigprocmask(SIG_SETMASK, &omask, NULL); 99103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 9925155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 9935155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (async_pid); 9945155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} 9955155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 9965155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* 9975155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * Make j the last async process 9985155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * 9995155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * If jobs are compiled in then this routine expects sigchld to be blocked. 10005155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 10015155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic void 10025155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruj_set_async(Job *j) 10035155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru{ 10045155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru Job *jl, *oldest; 10055155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 10065155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (async_job && (async_job->flags & (JF_KNOWN|JF_ZOMBIE)) == JF_ZOMBIE) 10075155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru remove_job(async_job, "async"); 10085155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (!(j->flags & JF_STARTED)) { 100903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra internal_warningf("%s: %s", "j_async", "job not started"); 10105155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return; 10115155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 10125155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru async_job = j; 10135155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru async_pid = j->last_proc->pid; 10145155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru while (nzombie > CHILD_MAX) { 10155155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru oldest = NULL; 10165155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru for (jl = job_list; jl; jl = jl->next) 10175155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (jl != async_job && (jl->flags & JF_ZOMBIE) && 10185155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (!oldest || jl->age < oldest->age)) 10195155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru oldest = jl; 10205155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (!oldest) { 10215155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* XXX debugging */ 10225155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (!(async_job->flags & JF_ZOMBIE) || nzombie != 1) { 102303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra internal_warningf("%s: bad nzombie (%d)", 102403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra "j_async", nzombie); 10255155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru nzombie = 0; 10265155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 10275155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru break; 10285155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 10295155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru remove_job(oldest, "zombie"); 10305155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 10315155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} 10325155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 10335155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* 10345155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * Start a job: set STARTED, check for held signals and set j->last_proc 10355155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * 10365155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * If jobs are compiled in then this routine expects sigchld to be blocked. 10375155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 10385155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic void 10395155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruj_startjob(Job *j) 10405155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru{ 10415155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru Proc *p; 10425155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 10435155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j->flags |= JF_STARTED; 10445155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru for (p = j->proc_list; p->next; p = p->next) 10455155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru ; 10465155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j->last_proc = p; 10475155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 104803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifndef MKSH_NOPROSPECTOFWORK 10495155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (held_sigchld) { 10505155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru held_sigchld = 0; 10515155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* Don't call j_sigchld() as it may remove job... */ 10525155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru kill(procpid, SIGCHLD); 10535155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 105403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 10555155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} 10565155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 10575155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* 10585155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * wait for job to complete or change state 10595155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * 10605155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * If jobs are compiled in then this routine expects sigchld to be blocked. 10615155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 10625155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic int 10635155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruj_waitj(Job *j, 106403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* see JW_* */ 106503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra int flags, 10665155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru const char *where) 10675155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru{ 106803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra int rv; 1069c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser#ifdef MKSH_NO_SIGSUSPEND 1070c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser sigset_t omask; 1071c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser#endif 10725155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 10735155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* 10745155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * No auto-notify on the job we are waiting on. 10755155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 10765155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j->flags |= JF_WAITING; 10775155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (flags & JW_ASYNCNOTIFY) 10785155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j->flags |= JF_W_ASYNCNOTIFY; 10795155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 10805155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef MKSH_UNEMPLOYED 10815155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (!Flag(FMONITOR)) 10825155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 10835155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru flags |= JW_STOPPEDWAIT; 10845155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 10855155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru while (j->state == PRUNNING || 10865155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru ((flags & JW_STOPPEDWAIT) && j->state == PSTOPPED)) { 108703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifndef MKSH_NOPROSPECTOFWORK 1088c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser#ifdef MKSH_NO_SIGSUSPEND 1089c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser sigprocmask(SIG_SETMASK, &sm_default, &omask); 1090c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser pause(); 1091c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser /* note that handlers may run here so they need to know */ 1092c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser sigprocmask(SIG_SETMASK, &omask, NULL); 1093c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser#else 10945155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigsuspend(&sm_default); 1095c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser#endif 109603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#else 109703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra j_sigchld(SIGCHLD); 109803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 10995155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (fatal_trap) { 11005155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int oldf = j->flags & (JF_WAITING|JF_W_ASYNCNOTIFY); 11015155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j->flags &= ~(JF_WAITING|JF_W_ASYNCNOTIFY); 11025155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru runtraps(TF_FATAL); 110303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* not reached... */ 110403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra j->flags |= oldf; 11055155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 11065155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if ((flags & JW_INTERRUPT) && (rv = trap_pending())) { 11075155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j->flags &= ~(JF_WAITING|JF_W_ASYNCNOTIFY); 11085155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (-rv); 11095155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 11105155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 11115155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j->flags &= ~(JF_WAITING|JF_W_ASYNCNOTIFY); 11125155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 11135155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j->flags & JF_FG) { 11145155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j->flags &= ~JF_FG; 11155155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef MKSH_UNEMPLOYED 11165155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (Flag(FMONITOR) && ttypgrp_ok && j->pgrp) { 11175155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* 11185155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * Save the tty's current pgrp so it can be restored 11195155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * when the job is foregrounded. This is to 11205155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * deal with things like the GNU su which does 11215155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * a fork/exec instead of an exec (the fork means 11225155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * the execed shell gets a different pid from its 11235155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * pgrp, so naturally it sets its pgrp and gets hosed 11245155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * when it gets foregrounded by the parent shell which 11255155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * has restored the tty's pgrp to that of the su 11265155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * process). 11275155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 11285155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j->state == PSTOPPED && 11295155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (j->saved_ttypgrp = tcgetpgrp(tty_fd)) >= 0) 11305155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j->flags |= JF_SAVEDTTYPGRP; 11315155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (tcsetpgrp(tty_fd, kshpgrp) < 0) 113203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra warningf(true, "%s %s(%d, %ld) %s: %s", 113303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra "j_waitj:", "tcsetpgrp", tty_fd, 1134c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser (long)kshpgrp, "failed", cstrerror(errno)); 11355155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j->state == PSTOPPED) { 11365155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j->flags |= JF_SAVEDTTY; 1137c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser mksh_tcget(tty_fd, &j->ttystat); 11385155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 11395155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 11405155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 1141c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser if (tty_hasstate) { 11425155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* 11435155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * Only restore tty settings if job was originally 11445155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * started in the foreground. Problems can be 11455155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * caused by things like 'more foobar &' which will 11465155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * typically get and save the shell's vi/emacs tty 11475155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * settings before setting up the tty for itself; 11485155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * when more exits, it restores the 'original' 11495155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * settings, and things go down hill from there... 11505155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 11515155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j->state == PEXITED && j->status == 0 && 11525155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (j->flags & JF_USETTYMODE)) { 1153c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser mksh_tcget(tty_fd, &tty_state); 11545155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } else { 1155c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser mksh_tcset(tty_fd, &tty_state); 11565155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /*- 11575155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * Don't use tty mode if job is stopped and 11585155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * later restarted and exits. Consider 11595155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * the sequence: 11605155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * vi foo (stopped) 11615155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * ... 11625155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * stty something 11635155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * ... 11645155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * fg (vi; ZZ) 11655155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * mode should be that of the stty, not what 11665155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * was before the vi started. 11675155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 11685155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j->state == PSTOPPED) 11695155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j->flags &= ~JF_USETTYMODE; 11705155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 11715155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 11725155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef MKSH_UNEMPLOYED 11735155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* 11745155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * If it looks like user hit ^C to kill a job, pretend we got 11755155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * one too to break out of for loops, etc. (AT&T ksh does this 11765155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * even when not monitoring, but this doesn't make sense since 11775155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * a tty generated ^C goes to the whole process group) 11785155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 11795155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru { 11805155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int status; 11815155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 11825155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru status = j->last_proc->status; 11835155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (Flag(FMONITOR) && j->state == PSIGNALLED && 11845155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru WIFSIGNALED(status) && 11855155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (sigtraps[WTERMSIG(status)].flags & TF_TTY_INTR)) 11865155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru trapsig(WTERMSIG(status)); 11875155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 11885155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 11895155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 11905155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 11915155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j_usrtime = j->usrtime; 11925155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j_systime = j->systime; 11935155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru rv = j->status; 11945155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 119503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra if ((flags & JW_PIPEST) && (j->proc_list != NULL)) { 119603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra uint32_t num = 0; 119703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra Proc *p = j->proc_list; 119803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra struct tbl *vp; 119903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 120003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra unset(vp_pipest, 1); 120103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra vp = vp_pipest; 120203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra vp->flag = DEFINED | ISSET | INTEGER | RDONLY | ARRAY | INT_U; 120303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra goto got_array; 120403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 120503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra while (p != NULL) { 120603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra { 120703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra struct tbl *vq; 120803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 120903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* strlen(vp_pipest->name) == 10 */ 121003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra vq = alloc(offsetof(struct tbl, name[0]) + 11, 121103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra vp_pipest->areap); 121203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra memset(vq, 0, offsetof(struct tbl, name[0])); 121303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra memcpy(vq->name, vp_pipest->name, 11); 121403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra vp->u.array = vq; 121503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra vp = vq; 121603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra } 121703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra vp->areap = vp_pipest->areap; 121803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra vp->ua.index = ++num; 121903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra vp->flag = DEFINED | ISSET | INTEGER | RDONLY | 122003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra ARRAY | INT_U | AINDEX; 122103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra got_array: 122203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra vp->val.i = proc_errorlevel(p); 122303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra p = p->next; 122403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra } 122503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra } 122603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 12275155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (!(flags & JW_ASYNCNOTIFY) 12285155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef MKSH_UNEMPLOYED 12295155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru && (!Flag(FMONITOR) || j->state != PSTOPPED) 12305155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 12315155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru ) { 12325155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j_print(j, JP_SHORT, shl_out); 12335155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru shf_flush(shl_out); 12345155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 12355155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j->state != PSTOPPED 12365155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef MKSH_UNEMPLOYED 12375155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru && (!Flag(FMONITOR) || !(flags & JW_ASYNCNOTIFY)) 12385155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 12395155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru ) 12405155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru remove_job(j, where); 12415155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 12425155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (rv); 12435155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} 12445155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 12455155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* 12465155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * SIGCHLD handler to reap children and update job states 12475155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * 12485155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * If jobs are compiled in then this routine expects sigchld to be blocked. 12495155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 12505155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* ARGSUSED */ 12515155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic void 12525155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruj_sigchld(int sig MKSH_A_UNUSED) 12535155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru{ 12545155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* this runs inside interrupt context, with errno saved */ 12555155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 12565155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru Job *j; 12575155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru Proc *p = NULL; 12585155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru pid_t pid; 12595155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int status; 12605155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru struct rusage ru0, ru1; 1261c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser#ifdef MKSH_NO_SIGSUSPEND 1262c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser sigset_t omask; 1263c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser 1264c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser /* this handler can run while SIGCHLD is not blocked, so block it now */ 1265c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser sigprocmask(SIG_BLOCK, &sm_sigchld, &omask); 1266c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser#endif 12675155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 126803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifndef MKSH_NOPROSPECTOFWORK 12695155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* 12705155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * Don't wait for any processes if a job is partially started. 12715155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * This is so we don't do away with the process group leader 12725155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * before all the processes in a pipe line are started (so the 12735155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * setpgid() won't fail) 12745155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 12755155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru for (j = job_list; j; j = j->next) 12765155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j->ppid == procpid && !(j->flags & JF_STARTED)) { 12775155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru held_sigchld = 1; 1278c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser goto j_sigchld_out; 12795155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 128003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 12815155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 12825155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru getrusage(RUSAGE_CHILDREN, &ru0); 12835155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru do { 128403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifndef MKSH_NOPROSPECTOFWORK 12855155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru pid = waitpid(-1, &status, (WNOHANG|WUNTRACED)); 128603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#else 128703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra pid = wait(&status); 128803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 12895155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 12905155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* 12915155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * return if this would block (0) or no children 12925155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * or interrupted (-1) 12935155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 12945155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (pid <= 0) 1295c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser goto j_sigchld_out; 12965155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 12975155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru getrusage(RUSAGE_CHILDREN, &ru1); 12985155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 12995155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* find job and process structures for this pid */ 13005155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru for (j = job_list; j != NULL; j = j->next) 13015155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru for (p = j->proc_list; p != NULL; p = p->next) 13025155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (p->pid == pid) 13035155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru goto found; 13045155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru found: 13055155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j == NULL) { 13065155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* Can occur if process has kids, then execs shell 13075155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru warningf(true, "bad process waited for (pid = %d)", 13085155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru pid); 13095155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 13105155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru ru0 = ru1; 13115155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru continue; 13125155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 13135155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 13145155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru timeradd(&j->usrtime, &ru1.ru_utime, &j->usrtime); 13155155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru timersub(&j->usrtime, &ru0.ru_utime, &j->usrtime); 13165155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru timeradd(&j->systime, &ru1.ru_stime, &j->systime); 13175155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru timersub(&j->systime, &ru0.ru_stime, &j->systime); 13185155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru ru0 = ru1; 13195155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru p->status = status; 13205155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef MKSH_UNEMPLOYED 13215155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (WIFSTOPPED(status)) 13225155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru p->state = PSTOPPED; 13235155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru else 13245155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 13255155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (WIFSIGNALED(status)) 13265155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru p->state = PSIGNALLED; 13275155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru else 13285155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru p->state = PEXITED; 13295155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 133003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* check to see if entire job is done */ 133103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra check_job(j); 133203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra } 133303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifndef MKSH_NOPROSPECTOFWORK 133403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra while (/* CONSTCOND */ 1); 133503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#else 133603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra while (/* CONSTCOND */ 0); 133703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 1338c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser 1339c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser j_sigchld_out: 1340c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser#ifdef MKSH_NO_SIGSUSPEND 1341c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser sigprocmask(SIG_SETMASK, &omask, NULL); 1342c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser#endif 1343c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser /* nothing */; 13445155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} 13455155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 13465155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* 13475155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * Called only when a process in j has exited/stopped (ie, called only 13485155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * from j_sigchld()). If no processes are running, the job status 13495155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * and state are updated, asynchronous job notification is done and, 13505155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * if unneeded, the job is removed. 13515155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * 13525155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * If jobs are compiled in then this routine expects sigchld to be blocked. 13535155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 13545155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic void 13555155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querucheck_job(Job *j) 13565155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru{ 13575155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int jstate; 13585155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru Proc *p; 13595155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 13605155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* XXX debugging (nasty - interrupt routine using shl_out) */ 13615155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (!(j->flags & JF_STARTED)) { 13625155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru internal_warningf("check_job: job started (flags 0x%x)", 13635155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j->flags); 13645155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return; 13655155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 13665155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 13675155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru jstate = PRUNNING; 13685155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru for (p=j->proc_list; p != NULL; p = p->next) { 13695155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (p->state == PRUNNING) 137003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* some processes still running */ 137103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra return; 13725155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (p->state > jstate) 13735155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru jstate = p->state; 13745155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 13755155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j->state = jstate; 137603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra j->status = proc_errorlevel(j->last_proc); 13775155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 13785155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* 13795155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * Note when co-process dies: can't be done in j_wait() nor 13805155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * remove_job() since neither may be called for non-interactive 13815155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * shells. 13825155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 13835155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j->state == PEXITED || j->state == PSIGNALLED) { 13845155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* 13855155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * No need to keep co-process input any more 13865155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * (at least, this is what ksh93d thinks) 13875155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 13885155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (coproc.job == j) { 13895155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru coproc.job = NULL; 13905155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* 13915155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * XXX would be nice to get the closes out of here 13925155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * so they aren't done in the signal handler. 13935155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * Would mean a check in coproc_getfd() to 13945155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * do "if job == 0 && write >= 0, close write". 13955155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 13965155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru coproc_write_close(coproc.write); 13975155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 13985155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* Do we need to keep the output? */ 13995155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j->coproc_id && j->coproc_id == coproc.id && 14005155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru --coproc.njobs == 0) 14015155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru coproc_readw_close(coproc.read); 14025155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 14035155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 14045155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j->flags |= JF_CHANGED; 14055155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef MKSH_UNEMPLOYED 14065155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (Flag(FMONITOR) && !(j->flags & JF_XXCOM)) { 14075155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* 14085155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * Only put stopped jobs at the front to avoid confusing 14095155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * the user (don't want finished jobs effecting %+ or %-) 14105155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 14115155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j->state == PSTOPPED) 14125155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru put_job(j, PJ_ON_FRONT); 14135155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (Flag(FNOTIFY) && 14145155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (j->flags & (JF_WAITING|JF_W_ASYNCNOTIFY)) != JF_WAITING) { 14155155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* Look for the real file descriptor 2 */ 14165155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru { 14175155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru struct env *ep; 14185155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int fd = 2; 14195155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 14205155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru for (ep = e; ep; ep = ep->oenv) 14215155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (ep->savefd && ep->savefd[2]) 14225155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru fd = ep->savefd[2]; 14235155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru shf_reopen(fd, SHF_WR, shl_j); 14245155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 14255155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* 14265155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * Can't call j_notify() as it removes jobs. The job 14275155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * must stay in the job list as j_waitj() may be 14285155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * running with this job. 14295155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 14305155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j_print(j, JP_MEDIUM, shl_j); 14315155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru shf_flush(shl_j); 14325155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (!(j->flags & JF_WAITING) && j->state != PSTOPPED) 14335155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru remove_job(j, "notify"); 14345155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 14355155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 14365155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 14375155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if ( 14385155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef MKSH_UNEMPLOYED 14395155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru !Flag(FMONITOR) && 14405155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 14415155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru !(j->flags & (JF_WAITING|JF_FG)) && 14425155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j->state != PSTOPPED) { 14435155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j == async_job || (j->flags & JF_KNOWN)) { 14445155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j->flags |= JF_ZOMBIE; 14455155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j->job = -1; 14465155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru nzombie++; 14475155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } else 14485155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru remove_job(j, "checkjob"); 14495155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 14505155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} 14515155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 14525155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* 14535155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * Print job status in either short, medium or long format. 14545155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * 14555155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * If jobs are compiled in then this routine expects sigchld to be blocked. 14565155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 14575155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic void 14585155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruj_print(Job *j, int how, struct shf *shf) 14595155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru{ 14605155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru Proc *p; 14615155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int state; 14625155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int status; 14635155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int coredumped; 14645155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru char jobchar = ' '; 14655155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru char buf[64]; 14665155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru const char *filler; 14675155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int output = 0; 14685155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 14695155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (how == JP_PGRP) { 14705155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* 14715155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * POSIX doesn't say what to do it there is no process 14725155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * group leader (ie, !FMONITOR). We arbitrarily return 14735155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * last pid (which is what $! returns). 14745155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 14755155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru shf_fprintf(shf, "%d\n", (int)(j->pgrp ? j->pgrp : 14765155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (j->last_proc ? j->last_proc->pid : 0))); 14775155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return; 14785155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 14795155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j->flags &= ~JF_CHANGED; 14805155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru filler = j->job > 10 ? "\n " : "\n "; 14815155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j == job_list) 14825155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru jobchar = '+'; 14835155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru else if (j == job_list->next) 14845155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru jobchar = '-'; 14855155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 14865155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru for (p = j->proc_list; p != NULL;) { 14875155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru coredumped = 0; 14885155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru switch (p->state) { 14895155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru case PRUNNING: 14905155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru memcpy(buf, "Running", 8); 14915155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru break; 14925155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru case PSTOPPED: 14935155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru strlcpy(buf, sigtraps[WSTOPSIG(p->status)].mess, 14945155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sizeof(buf)); 14955155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru break; 14965155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru case PEXITED: 14975155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (how == JP_SHORT) 14985155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru buf[0] = '\0'; 14995155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru else if (WEXITSTATUS(p->status) == 0) 15005155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru memcpy(buf, "Done", 5); 15015155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru else 15025155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru shf_snprintf(buf, sizeof(buf), "Done (%d)", 15035155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru WEXITSTATUS(p->status)); 15045155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru break; 15055155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru case PSIGNALLED: 15065155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifdef WCOREDUMP 15075155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (WCOREDUMP(p->status)) 15085155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru coredumped = 1; 15095155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 15105155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* 15115155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * kludge for not reporting 'normal termination 15125155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * signals' (i.e. SIGINT, SIGPIPE) 15135155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 15145155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (how == JP_SHORT && !coredumped && 15155155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (WTERMSIG(p->status) == SIGINT || 15165155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru WTERMSIG(p->status) == SIGPIPE)) { 15175155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru buf[0] = '\0'; 15185155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } else 15195155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru strlcpy(buf, sigtraps[WTERMSIG(p->status)].mess, 15205155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sizeof(buf)); 15215155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru break; 1522c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser default: 1523c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser buf[0] = '\0'; 15245155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 15255155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 15265155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (how != JP_SHORT) { 15275155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (p == j->proc_list) 15285155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru shf_fprintf(shf, "[%d] %c ", j->job, jobchar); 15295155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru else 153003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra shf_puts(filler, shf); 15315155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 15325155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 15335155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (how == JP_LONG) 15345155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru shf_fprintf(shf, "%5d ", (int)p->pid); 15355155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 15365155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (how == JP_SHORT) { 15375155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (buf[0]) { 15385155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru output = 1; 15395155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru shf_fprintf(shf, "%s%s ", 15405155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru buf, coredumped ? " (core dumped)" : null); 15415155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 15425155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } else { 15435155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru output = 1; 15445155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru shf_fprintf(shf, "%-20s %s%s%s", buf, p->command, 15455155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru p->next ? "|" : null, 15465155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru coredumped ? " (core dumped)" : null); 15475155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 15485155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 15495155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru state = p->state; 15505155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru status = p->status; 15515155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru p = p->next; 15525155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru while (p && p->state == state && p->status == status) { 15535155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (how == JP_LONG) 15545155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru shf_fprintf(shf, "%s%5d %-20s %s%s", filler, 15555155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (int)p->pid, " ", p->command, 15565155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru p->next ? "|" : null); 15575155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru else if (how == JP_MEDIUM) 15585155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru shf_fprintf(shf, " %s%s", p->command, 15595155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru p->next ? "|" : null); 15605155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru p = p->next; 15615155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 15625155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 15635155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (output) 15645155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru shf_putc('\n', shf); 15655155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} 15665155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 15675155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* 15685155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * Convert % sequence to job 15695155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * 15705155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * If jobs are compiled in then this routine expects sigchld to be blocked. 15715155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 15725155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic Job * 15735155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruj_lookup(const char *cp, int *ecodep) 15745155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru{ 157503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra Job *j, *last_match; 157603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra Proc *p; 157703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra size_t len; 157803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra int job = 0; 15795155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 15805155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (ksh_isdigit(*cp)) { 15815155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru getn(cp, &job); 15825155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* Look for last_proc->pid (what $! returns) first... */ 15835155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru for (j = job_list; j != NULL; j = j->next) 15845155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j->last_proc && j->last_proc->pid == job) 15855155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (j); 15865155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* 15875155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * ...then look for process group (this is non-POSIX, 15885155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * but should not break anything 15895155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 15905155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru for (j = job_list; j != NULL; j = j->next) 15915155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j->pgrp && j->pgrp == job) 15925155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (j); 15935155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (ecodep) 15945155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru *ecodep = JL_NOSUCH; 15955155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (NULL); 15965155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 15975155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (*cp != '%') { 15985155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (ecodep) 15995155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru *ecodep = JL_INVALID; 16005155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (NULL); 16015155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 16025155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru switch (*++cp) { 16035155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru case '\0': /* non-standard */ 16045155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru case '+': 16055155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru case '%': 16065155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (job_list != NULL) 16075155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (job_list); 16085155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru break; 16095155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 16105155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru case '-': 16115155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (job_list != NULL && job_list->next) 16125155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (job_list->next); 16135155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru break; 16145155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 16155155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru case '0': case '1': case '2': case '3': case '4': 16165155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru case '5': case '6': case '7': case '8': case '9': 16175155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru getn(cp, &job); 16185155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru for (j = job_list; j != NULL; j = j->next) 16195155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j->job == job) 16205155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (j); 16215155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru break; 16225155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 162303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* %?string */ 162403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra case '?': 16255155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru last_match = NULL; 16265155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru for (j = job_list; j != NULL; j = j->next) 16275155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru for (p = j->proc_list; p != NULL; p = p->next) 16285155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (strstr(p->command, cp+1) != NULL) { 16295155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (last_match) { 16305155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (ecodep) 16315155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru *ecodep = JL_AMBIG; 16325155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (NULL); 16335155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 16345155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru last_match = j; 16355155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 16365155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (last_match) 16375155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (last_match); 16385155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru break; 16395155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 164003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* %string */ 164103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra default: 16425155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru len = strlen(cp); 16435155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru last_match = NULL; 16445155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru for (j = job_list; j != NULL; j = j->next) 16455155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (strncmp(cp, j->proc_list->command, len) == 0) { 16465155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (last_match) { 16475155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (ecodep) 16485155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru *ecodep = JL_AMBIG; 16495155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (NULL); 16505155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 16515155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru last_match = j; 16525155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 16535155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (last_match) 16545155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (last_match); 16555155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru break; 16565155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 16575155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (ecodep) 16585155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru *ecodep = JL_NOSUCH; 16595155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (NULL); 16605155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} 16615155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 16625155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic Job *free_jobs; 16635155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic Proc *free_procs; 16645155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 16655155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* 16665155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * allocate a new job and fill in the job number. 16675155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * 16685155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * If jobs are compiled in then this routine expects sigchld to be blocked. 16695155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 16705155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic Job * 16715155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querunew_job(void) 16725155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru{ 16735155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int i; 16745155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru Job *newj, *j; 16755155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 16765155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (free_jobs != NULL) { 16775155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru newj = free_jobs; 16785155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru free_jobs = free_jobs->next; 16795155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } else 16805155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru newj = alloc(sizeof(Job), APERM); 16815155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 16825155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* brute force method */ 16835155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru for (i = 1; ; i++) { 16845155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru for (j = job_list; j && j->job != i; j = j->next) 16855155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru ; 16865155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j == NULL) 16875155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru break; 16885155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 16895155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru newj->job = i; 16905155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 16915155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (newj); 16925155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} 16935155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 16945155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* 16955155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * Allocate new process struct 16965155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * 16975155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * If jobs are compiled in then this routine expects sigchld to be blocked. 16985155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 16995155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic Proc * 17005155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querunew_proc(void) 17015155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru{ 17025155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru Proc *p; 17035155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 17045155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (free_procs != NULL) { 17055155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru p = free_procs; 17065155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru free_procs = free_procs->next; 17075155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } else 17085155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru p = alloc(sizeof(Proc), APERM); 17095155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 17105155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (p); 17115155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} 17125155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 17135155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* 17145155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * Take job out of job_list and put old structures into free list. 17155155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * Keeps nzombies, last_job and async_job up to date. 17165155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * 17175155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * If jobs are compiled in then this routine expects sigchld to be blocked. 17185155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 17195155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic void 17205155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruremove_job(Job *j, const char *where) 17215155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru{ 17225155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru Proc *p, *tmp; 17235155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru Job **prev, *curr; 17245155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 1725c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser mkssert(j != NULL); 17265155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru prev = &job_list; 1727c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser curr = job_list; 1728c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser while (curr && curr != j) { 1729c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser prev = &curr->next; 1730c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser curr = *prev; 1731c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser } 17325155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (curr != j) { 173303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra internal_warningf("remove_job: job %s (%s)", "not found", where); 17345155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return; 17355155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 17365155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru *prev = curr->next; 17375155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 17385155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* free up proc structures */ 17395155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru for (p = j->proc_list; p != NULL; ) { 17405155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru tmp = p; 17415155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru p = p->next; 17425155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru tmp->next = free_procs; 17435155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru free_procs = tmp; 17445155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 17455155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 17465155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if ((j->flags & JF_ZOMBIE) && j->ppid == procpid) 17475155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru --nzombie; 17485155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j->next = free_jobs; 17495155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru free_jobs = j; 17505155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 17515155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j == last_job) 17525155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru last_job = NULL; 17535155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (j == async_job) 17545155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru async_job = NULL; 17555155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} 17565155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 17575155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* 17585155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * put j in a particular location (taking it out job_list if it is there 17595155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * already) 17605155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * 17615155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * If jobs are compiled in then this routine expects sigchld to be blocked. 17625155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 17635155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic void 17645155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruput_job(Job *j, int where) 17655155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru{ 17665155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru Job **prev, *curr; 17675155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 1768c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser mkssert(j != NULL); 17695155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* Remove job from list (if there) */ 17705155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru prev = &job_list; 17715155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru curr = job_list; 1772c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser while (curr && curr != j) { 1773c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser prev = &curr->next; 1774c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser curr = *prev; 1775c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser } 17765155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (curr == j) 17775155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru *prev = curr->next; 17785155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 17795155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru switch (where) { 17805155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru case PJ_ON_FRONT: 17815155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j->next = job_list; 17825155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru job_list = j; 17835155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru break; 17845155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 17855155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru case PJ_PAST_STOPPED: 17865155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru prev = &job_list; 17875155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru curr = job_list; 17885155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru for (; curr && curr->state == PSTOPPED; prev = &curr->next, 17895155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru curr = *prev) 17905155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru ; 17915155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru j->next = curr; 17925155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru *prev = j; 17935155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru break; 17945155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } 17955155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} 17965155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 17975155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* 17985155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * nuke a job (called when unable to start full job). 17995155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * 18005155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * If jobs are compiled in then this routine expects sigchld to be blocked. 18015155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 18025155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustatic int 18035155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querukill_job(Job *j, int sig) 18045155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru{ 18055155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru Proc *p; 18065155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int rval = 0; 18075155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 18085155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru for (p = j->proc_list; p != NULL; p = p->next) 18095155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (p->pid != 0) 18105155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (kill(p->pid, sig) < 0) 18115155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru rval = -1; 18125155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru return (rval); 18135155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} 1814c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser 1815c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaserstatic void 1816c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glasertty_init_talking(void) 1817c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser{ 1818c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser switch (tty_init_fd()) { 1819c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser case 0: 1820c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser break; 1821c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser case 1: 1822c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser#ifndef MKSH_DISABLE_TTY_WARNING 1823c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser warningf(false, "%s: %s %s: %s", 1824c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser "No controlling tty", "open", "/dev/tty", 1825c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser cstrerror(errno)); 1826c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser#endif 1827c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser break; 1828c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser case 2: 1829c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser#ifndef MKSH_DISABLE_TTY_WARNING 1830c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser warningf(false, "%s: %s", "can't find tty fd", cstrerror(errno)); 1831c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser#endif 1832c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser break; 1833c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser case 3: 1834c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser warningf(false, "%s: %s %s: %s", "j_ttyinit", 1835c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser "dup of tty fd", "failed", cstrerror(errno)); 1836c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser break; 1837c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser case 4: 1838c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser warningf(false, "%s: %s: %s", "j_ttyinit", 1839c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser "can't set close-on-exec flag", cstrerror(errno)); 1840c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser break; 1841c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser } 1842c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser} 1843c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser 1844c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaserstatic void 1845c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glasertty_init_state(void) 1846c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser{ 1847c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser if (tty_fd >= 0) { 1848c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser mksh_tcget(tty_fd, &tty_state); 1849c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser tty_hasstate = true; 1850c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser } 1851c2dc5def5e2273bb1d78b4ba032a3903dd0f980cThorsten Glaser} 1852