1 #pragma ident "%Z%%M% %I% %E% SMI" 2 3 /* 4 * Copyright (c) 1982 Regents of the University of California. 5 * All rights reserved. The Berkeley software License Agreement 6 * specifies the terms and conditions for redistribution. 7 * 8 * Copyright (c) 1987 by Sun Microsystems, Inc. 9 */ 10 11 #ifndef __signal_h 12 #define __signal_h 13 14 #ifndef _POSIX_SOURCE 15 #include <sys/signal.h> 16 #else 17 /* 18 * All of the below is drawn from sys/signal.h. Adding anything here means you 19 * add it in sys/signal.h as well. 20 */ 21 #define SIGHUP 1 /* hangup */ 22 #define SIGINT 2 /* interrupt */ 23 #define SIGQUIT 3 /* quit */ 24 #define SIGILL 4 /* illegal instruction (not reset when caught) */ 25 #define SIGTRAP 5 /* trace trap (not reset when caught) */ 26 #define SIGIOT 6 /* IOT instruction */ 27 #define SIGABRT 6 /* used by abort, replace SIGIOT in the future */ 28 #define SIGEMT 7 /* EMT instruction */ 29 #define SIGFPE 8 /* floating point exception */ 30 #define SIGKILL 9 /* kill (cannot be caught or ignored) */ 31 #define SIGBUS 10 /* bus error */ 32 #define SIGSEGV 11 /* segmentation violation */ 33 #define SIGSYS 12 /* bad argument to system call */ 34 #define SIGPIPE 13 /* write on a pipe with no one to read it */ 35 #define SIGALRM 14 /* alarm clock */ 36 #define SIGTERM 15 /* software termination signal from kill */ 37 #define SIGURG 16 /* urgent condition on IO channel */ 38 #define SIGSTOP 17 /* sendable stop signal not from tty */ 39 #define SIGTSTP 18 /* stop signal from tty */ 40 #define SIGCONT 19 /* continue a stopped process */ 41 #define SIGCHLD 20 /* to parent on child stop or exit */ 42 #define SIGCLD 20 /* System V name for SIGCHLD */ 43 #define SIGTTIN 21 /* to readers pgrp upon background tty read */ 44 #define SIGTTOU 22 /* like TTIN for output if (tp->t_local<OSTOP) */ 45 #define SIGIO 23 /* input/output possible signal */ 46 #define SIGPOLL SIGIO /* System V name for SIGIO */ 47 #define SIGXCPU 24 /* exceeded CPU time limit */ 48 #define SIGXFSZ 25 /* exceeded file size limit */ 49 #define SIGVTALRM 26 /* virtual time alarm */ 50 #define SIGPROF 27 /* profiling time alarm */ 51 #define SIGWINCH 28 /* window changed */ 52 #define SIGLOST 29 /* resource lost (eg, record-lock lost) */ 53 #define SIGUSR1 30 /* user defined signal 1 */ 54 #define SIGUSR2 31 /* user defined signal 2 */ 55 56 /* signal() args & returns */ 57 #define SIG_ERR (void (*)())-1 58 #define SIG_DFL (void (*)())0 59 #define SIG_IGN (void (*)())1 60 #define SIG_HOLD (void (*)())3 61 62 /* sigprocmask flags */ 63 #define SIG_BLOCK 0x0001 64 #define SIG_UNBLOCK 0x0002 65 #define SIG_SETMASK 0x0004 66 67 /* sa_flags flag; also supports all the sigvec flags in sys/signal.h */ 68 #define SA_NOCLDSTOP 0x0008 /* don't send a SIGCHLD on child stop */ 69 70 #include <sys/stdtypes.h> /* for sigset_t */ 71 72 struct sigaction { 73 void (*sa_handler)(); 74 sigset_t sa_mask; 75 int sa_flags; 76 }; 77 void (*signal())(); 78 int kill(/* pid_t p, int sig */); 79 int sigaction(/* int signo, 80 struct sigaction *act, struct sigaction *oldact */); 81 int sigaddset(/* sigset_t *mask, int signo */); 82 int sigdelset(/* sigset_t *mask, int signo */); 83 int sigemptyset(/* sigset_t *mask */); 84 int sigfillset(/* sigset_t *mask */); 85 int sigismember(/* sigset_t *mask, int signo */); 86 int sigpending(/* sigset_t *set */); 87 int sigprocmask(/* int how, sigset_t *set, *oldset */); 88 int sigsuspend(/* sigset_t *mask */); 89 90 #endif /* _POSIX_SOURCE */ 91 #endif /* !__signal_h */ 92