1198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris/* 2198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris * This file is subject to the terms and conditions of the GNU General Public 3198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris * License. See the file "COPYING" in the main directory of this archive 4198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris * for more details. 5198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris * 6198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris * Copyright (C) 1995, 96, 97, 98, 99, 2003 by Ralf Baechle 7198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris * Copyright (C) 1999 Silicon Graphics, Inc. 8198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris */ 9198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#ifndef _UAPI_ASM_SIGNAL_H 10198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define _UAPI_ASM_SIGNAL_H 11198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris 12198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#include <linux/types.h> 13198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris 14198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define _NSIG 128 15198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define _NSIG_BPW (sizeof(unsigned long) * 8) 16198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define _NSIG_WORDS (_NSIG / _NSIG_BPW) 17198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris 18198084289b68143fd4ea72dec91515eec00d700fChristopher Ferristypedef struct { 19198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris unsigned long sig[_NSIG_WORDS]; 20198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris} sigset_t; 21198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris 22198084289b68143fd4ea72dec91515eec00d700fChristopher Ferristypedef unsigned long old_sigset_t; /* at least 32 bits */ 23198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris 24198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGHUP 1 /* Hangup (POSIX). */ 25198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGINT 2 /* Interrupt (ANSI). */ 26198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGQUIT 3 /* Quit (POSIX). */ 27198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGILL 4 /* Illegal instruction (ANSI). */ 28198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGTRAP 5 /* Trace trap (POSIX). */ 29198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGIOT 6 /* IOT trap (4.2 BSD). */ 30198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGABRT SIGIOT /* Abort (ANSI). */ 31198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGEMT 7 32198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGFPE 8 /* Floating-point exception (ANSI). */ 33198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGKILL 9 /* Kill, unblockable (POSIX). */ 34198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGBUS 10 /* BUS error (4.2 BSD). */ 35198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGSEGV 11 /* Segmentation violation (ANSI). */ 36198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGSYS 12 37198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGPIPE 13 /* Broken pipe (POSIX). */ 38198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGALRM 14 /* Alarm clock (POSIX). */ 39198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGTERM 15 /* Termination (ANSI). */ 40198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGUSR1 16 /* User-defined signal 1 (POSIX). */ 41198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGUSR2 17 /* User-defined signal 2 (POSIX). */ 42198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGCHLD 18 /* Child status has changed (POSIX). */ 43198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGCLD SIGCHLD /* Same as SIGCHLD (System V). */ 44198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGPWR 19 /* Power failure restart (System V). */ 45198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGWINCH 20 /* Window size change (4.3 BSD, Sun). */ 46198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGURG 21 /* Urgent condition on socket (4.2 BSD). */ 47198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGIO 22 /* I/O now possible (4.2 BSD). */ 48198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGPOLL SIGIO /* Pollable event occurred (System V). */ 49198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGSTOP 23 /* Stop, unblockable (POSIX). */ 50198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGTSTP 24 /* Keyboard stop (POSIX). */ 51198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGCONT 25 /* Continue (POSIX). */ 52198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGTTIN 26 /* Background read from tty (POSIX). */ 53198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGTTOU 27 /* Background write to tty (POSIX). */ 54198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGVTALRM 28 /* Virtual alarm clock (4.2 BSD). */ 55198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGPROF 29 /* Profiling alarm clock (4.2 BSD). */ 56198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGXCPU 30 /* CPU limit exceeded (4.2 BSD). */ 57198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGXFSZ 31 /* File size limit exceeded (4.2 BSD). */ 58198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris 59198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris/* These should not be considered constants from userland. */ 60198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGRTMIN 32 61198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGRTMAX _NSIG 62198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris 63198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris/* 64198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris * SA_FLAGS values: 65198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris * 66198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris * SA_ONSTACK indicates that a registered stack_t will be used. 67198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris * SA_RESTART flag to get restarting signals (which were the default long ago) 68198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. 69198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris * SA_RESETHAND clears the handler when the signal is delivered. 70198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. 71198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris * SA_NODEFER prevents the current signal from being masked in the handler. 72198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris * 73198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single 74198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris * Unix names RESETHAND and NODEFER respectively. 75198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris * 76198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris * SA_RESTORER used to be defined as 0x04000000 but only the O32 ABI ever 77198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris * supported its use and no libc was using it, so the entire sa-restorer 78198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris * functionality was removed with lmo commit 39bffc12c3580ab for 2.5.48 79198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris * retaining only the SA_RESTORER definition as a reminder to avoid 80198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris * accidental reuse of the mask bit. 81198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris */ 82198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SA_ONSTACK 0x08000000 83198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SA_RESETHAND 0x80000000 84198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SA_RESTART 0x10000000 85198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SA_SIGINFO 0x00000008 86198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SA_NODEFER 0x40000000 87198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SA_NOCLDWAIT 0x00010000 88198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SA_NOCLDSTOP 0x00000001 89198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris 90198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SA_NOMASK SA_NODEFER 91198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SA_ONESHOT SA_RESETHAND 92198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris 93198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define MINSIGSTKSZ 2048 94198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIGSTKSZ 8192 95198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris 96198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris 97198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIG_BLOCK 1 /* for blocking signals */ 98198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIG_UNBLOCK 2 /* for unblocking signals */ 99198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#define SIG_SETMASK 3 /* for setting the signal mask */ 100198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris 101198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#include <asm-generic/signal-defs.h> 102198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris 103198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#ifndef __KERNEL__ 104198084289b68143fd4ea72dec91515eec00d700fChristopher Ferrisstruct sigaction { 105198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris unsigned int sa_flags; 106198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris __sighandler_t sa_handler; 107198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris sigset_t sa_mask; 108198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris}; 109198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#endif 110198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris 111198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris/* IRIX compatible stack_t */ 112198084289b68143fd4ea72dec91515eec00d700fChristopher Ferristypedef struct sigaltstack { 113198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris void __user *ss_sp; 114198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris size_t ss_size; 115198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris int ss_flags; 116198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris} stack_t; 117198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris 118198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris 119198084289b68143fd4ea72dec91515eec00d700fChristopher Ferris#endif /* _UAPI_ASM_SIGNAL_H */ 120