1930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes/* $NetBSD: kill.c,v 1.27 2011/08/29 14:51:18 joerg Exp $ */ 2930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes 3930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes/* 4930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes * Copyright (c) 1988, 1993, 1994 5930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes * The Regents of the University of California. All rights reserved. 6930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes * 7930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes * Redistribution and use in source and binary forms, with or without 8930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes * modification, are permitted provided that the following conditions 9930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes * are met: 10930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes * 1. Redistributions of source code must retain the above copyright 11930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes * notice, this list of conditions and the following disclaimer. 12930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes * 2. Redistributions in binary form must reproduce the above copyright 13930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes * notice, this list of conditions and the following disclaimer in the 14930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes * documentation and/or other materials provided with the distribution. 15930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes * 3. Neither the name of the University nor the names of its contributors 16930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes * may be used to endorse or promote products derived from this software 17930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes * without specific prior written permission. 18930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes * 19930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes * SUCH DAMAGE. 30930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes */ 31930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes 32930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes#include <sys/cdefs.h> 33930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes#if !defined(lint) && !defined(SHELL) 34930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes__COPYRIGHT("@(#) Copyright (c) 1988, 1993, 1994\ 35930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes The Regents of the University of California. All rights reserved."); 36930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes#endif /* not lint */ 37930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes 38930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes#ifndef lint 39930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes#if 0 40930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughesstatic char sccsid[] = "@(#)kill.c 8.4 (Berkeley) 4/28/95"; 41930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes#else 42930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes__RCSID("$NetBSD: kill.c,v 1.27 2011/08/29 14:51:18 joerg Exp $"); 43930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes#endif 44930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes#endif /* not lint */ 45930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes 46930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes#include <ctype.h> 47930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes#include <err.h> 48930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes#include <errno.h> 49930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes#include <signal.h> 50930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes#include <stdio.h> 51930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes#include <stdlib.h> 52930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes#include <limits.h> 53930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes#include <inttypes.h> 54930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes#include <string.h> 55930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes#include <termios.h> 56930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes#include <unistd.h> 57930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes#include <locale.h> 58930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes#include <sys/ioctl.h> 59930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes 60930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes#ifdef SHELL /* sh (aka ash) builtin */ 61930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughesint killcmd(int, char *argv[]); 62930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes#define main killcmd 63930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes#include "../../bin/sh/bltin/bltin.h" 64930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes#endif /* SHELL */ 65930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes 66930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes__dead static void nosig(char *); 67930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughesstatic void printsignals(FILE *); 68930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughesstatic int signame_to_signum(char *); 69930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes__dead static void usage(void); 70930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes 71930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughesint 72930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughesmain(int argc, char *argv[]) 73930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes{ 74930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes int errors; 75930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes intmax_t numsig, pid; 76930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes char *ep; 77930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes 78930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes setprogname(argv[0]); 79930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes setlocale(LC_ALL, ""); 80930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes if (argc < 2) 81930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes usage(); 82930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes 83930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes numsig = SIGTERM; 84930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes 85930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes argc--, argv++; 86930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes if (strcmp(*argv, "-l") == 0) { 87930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes argc--, argv++; 88930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes if (argc > 1) 89930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes usage(); 90930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes if (argc == 1) { 91930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes if (isdigit((unsigned char)**argv) == 0) 92930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes usage(); 93930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes numsig = strtoimax(*argv, &ep, 10); 94930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes /* check for correctly parsed number */ 95930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes if (*ep != '\0' || numsig == INTMAX_MIN || numsig == INTMAX_MAX) { 96930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes errx(EXIT_FAILURE, "illegal signal number: %s", 97930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes *argv); 98930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes /* NOTREACHED */ 99930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes } 100930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes if (numsig >= 128) 101930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes numsig -= 128; 102930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes /* and whether it fits into signals range */ 103930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes if (numsig <= 0 || numsig >= NSIG) 104930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes nosig(*argv); 105930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes printf("%s\n", sys_signame[(int) numsig]); 106930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes exit(0); 107930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes } 108930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes printsignals(stdout); 109930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes exit(0); 110930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes } 111930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes 112930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes if (!strcmp(*argv, "-s")) { 113930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes argc--, argv++; 114930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes if (argc < 1) { 115930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes warnx("option requires an argument -- s"); 116930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes usage(); 117930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes } 118930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes if (strcmp(*argv, "0")) { 119930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes if ((numsig = signame_to_signum(*argv)) < 0) 120930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes nosig(*argv); 121930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes } else 122930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes numsig = 0; 123930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes argc--, argv++; 124930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes } else if (**argv == '-') { 125930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes char *sn = *argv + 1; 126930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes if (isalpha((unsigned char)*sn)) { 127930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes if ((numsig = signame_to_signum(sn)) < 0) 128930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes nosig(sn); 129930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes } else if (isdigit((unsigned char)*sn)) { 130930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes numsig = strtoimax(sn, &ep, 10); 131930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes /* check for correctly parsed number */ 132930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes if (*ep || numsig == INTMAX_MIN || numsig == INTMAX_MAX ) { 133930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes errx(EXIT_FAILURE, "illegal signal number: %s", 134930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes sn); 135930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes /* NOTREACHED */ 136930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes } 137930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes /* and whether it fits into signals range */ 138930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes if (numsig < 0 || numsig >= NSIG) 139930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes nosig(sn); 140930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes } else 141930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes nosig(sn); 142930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes argc--, argv++; 143930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes } 144930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes 145930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes if (argc == 0) 146930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes usage(); 147930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes 148930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes for (errors = 0; argc; argc--, argv++) { 149930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes#ifdef SHELL 150930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes extern int getjobpgrp(const char *); 151930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes if (*argv[0] == '%') { 152930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes pid = getjobpgrp(*argv); 153930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes if (pid == 0) { 154930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes warnx("illegal job id: %s", *argv); 155930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes errors = 1; 156930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes continue; 157930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes } 158930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes } else 159930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes#endif 160930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes { 161930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes pid = strtoimax(*argv, &ep, 10); 162930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes /* make sure the pid is a number and fits into pid_t */ 163930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes if (!**argv || *ep || pid == INTMAX_MIN || 164930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes pid == INTMAX_MAX || pid != (pid_t) pid) { 165930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes 166930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes warnx("illegal process id: %s", *argv); 167930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes errors = 1; 168930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes continue; 169930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes } 170930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes } 171930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes if (kill((pid_t) pid, (int) numsig) == -1) { 172930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes warn("%s", *argv); 173930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes errors = 1; 174930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes } 175930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes#ifdef SHELL 176930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes /* Wakeup the process if it was suspended, so it can 177930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes exit without an explicit 'fg'. */ 178930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes if (numsig == SIGTERM || numsig == SIGHUP) 179930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes kill((pid_t) pid, SIGCONT); 180930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes#endif 181930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes } 182930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes 183930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes exit(errors); 184930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes /* NOTREACHED */ 185930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes} 186930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes 187930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughesstatic int 188930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughessigname_to_signum(char *sig) 189930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes{ 190930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes int n; 191930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes 192930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes if (strncasecmp(sig, "sig", 3) == 0) 193930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes sig += 3; 194930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes for (n = 1; n < NSIG; n++) { 195930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes if (!strcasecmp(sys_signame[n], sig)) 196930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes return (n); 197930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes } 198930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes return (-1); 199930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes} 200930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes 201930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughesstatic void 202930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughesnosig(char *name) 203930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes{ 204930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes 205930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes warnx("unknown signal %s; valid signals:", name); 206930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes printsignals(stderr); 207930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes exit(1); 208930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes /* NOTREACHED */ 209930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes} 210930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes 211930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughesstatic void 212930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughesprintsignals(FILE *fp) 213930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes{ 214930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes int sig; 215930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes int len, nl; 216930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes const char *name; 217930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes int termwidth = 80; 218930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes 219930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes if (isatty(fileno(fp))) { 220930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes struct winsize win; 221930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes if (ioctl(fileno(fp), TIOCGWINSZ, &win) == 0 && win.ws_col > 0) 222930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes termwidth = win.ws_col; 223930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes } 224930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes 225930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes for (len = 0, sig = 1; sig < NSIG; sig++) { 226930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes name = sys_signame[sig]; 227930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes nl = 1 + strlen(name); 228930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes 229930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes if (len + nl >= termwidth) { 230930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes fprintf(fp, "\n"); 231930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes len = 0; 232930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes } else 233930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes if (len != 0) 234930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes fprintf(fp, " "); 235930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes len += nl; 236930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes fprintf(fp, "%s", name); 237930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes } 238930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes if (len != 0) 239930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes fprintf(fp, "\n"); 240930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes} 241930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes 242930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughesstatic void 243930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughesusage(void) 244930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes{ 245930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes 246930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes fprintf(stderr, "usage: %s [-s signal_name] pid ...\n" 247930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes " %s -l [exit_status]\n" 248930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes " %s -signal_name pid ...\n" 249930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes " %s -signal_number pid ...\n", 250930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes getprogname(), getprogname(), getprogname(), getprogname()); 251930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes exit(1); 252930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes /* NOTREACHED */ 253930d53eae6a12b3b11c7d0043ec8c7674b1047ccElliott Hughes} 254