92 lines
3.2 KiB
C
92 lines
3.2 KiB
C
/* @(#)signal.h 1.1 92/07/30 SMI; from sys/signal.h 2.34 */
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/*
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* Copyright (c) 1982 Regents of the University of California.
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* All rights reserved. The Berkeley software License Agreement
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* specifies the terms and conditions for redistribution.
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*
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* Copyright (c) 1987 by Sun Microsystems, Inc.
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*/
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#ifndef __signal_h
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#define __signal_h
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#ifndef _POSIX_SOURCE
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#include <sys/signal.h>
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#else
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/*
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* All of the below is drawn from sys/signal.h. Adding anything here means you
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* add it in sys/signal.h as well.
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*/
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#define SIGHUP 1 /* hangup */
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#define SIGINT 2 /* interrupt */
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#define SIGQUIT 3 /* quit */
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#define SIGILL 4 /* illegal instruction (not reset when caught) */
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#define SIGTRAP 5 /* trace trap (not reset when caught) */
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#define SIGIOT 6 /* IOT instruction */
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#define SIGABRT 6 /* used by abort, replace SIGIOT in the future */
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#define SIGEMT 7 /* EMT instruction */
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#define SIGFPE 8 /* floating point exception */
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#define SIGKILL 9 /* kill (cannot be caught or ignored) */
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#define SIGBUS 10 /* bus error */
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#define SIGSEGV 11 /* segmentation violation */
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#define SIGSYS 12 /* bad argument to system call */
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#define SIGPIPE 13 /* write on a pipe with no one to read it */
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#define SIGALRM 14 /* alarm clock */
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#define SIGTERM 15 /* software termination signal from kill */
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#define SIGURG 16 /* urgent condition on IO channel */
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#define SIGSTOP 17 /* sendable stop signal not from tty */
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#define SIGTSTP 18 /* stop signal from tty */
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#define SIGCONT 19 /* continue a stopped process */
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#define SIGCHLD 20 /* to parent on child stop or exit */
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#define SIGCLD 20 /* System V name for SIGCHLD */
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#define SIGTTIN 21 /* to readers pgrp upon background tty read */
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#define SIGTTOU 22 /* like TTIN for output if (tp->t_local<OSTOP) */
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#define SIGIO 23 /* input/output possible signal */
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#define SIGPOLL SIGIO /* System V name for SIGIO */
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#define SIGXCPU 24 /* exceeded CPU time limit */
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#define SIGXFSZ 25 /* exceeded file size limit */
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#define SIGVTALRM 26 /* virtual time alarm */
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#define SIGPROF 27 /* profiling time alarm */
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#define SIGWINCH 28 /* window changed */
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#define SIGLOST 29 /* resource lost (eg, record-lock lost) */
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#define SIGUSR1 30 /* user defined signal 1 */
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#define SIGUSR2 31 /* user defined signal 2 */
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/* signal() args & returns */
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#define SIG_ERR (void (*)())-1
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#define SIG_DFL (void (*)())0
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#define SIG_IGN (void (*)())1
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#define SIG_HOLD (void (*)())3
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/* sigprocmask flags */
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#define SIG_BLOCK 0x0001
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#define SIG_UNBLOCK 0x0002
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#define SIG_SETMASK 0x0004
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/* sa_flags flag; also supports all the sigvec flags in sys/signal.h */
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#define SA_NOCLDSTOP 0x0008 /* don't send a SIGCHLD on child stop */
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#include <sys/stdtypes.h> /* for sigset_t */
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struct sigaction {
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void (*sa_handler)();
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sigset_t sa_mask;
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int sa_flags;
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};
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void (*signal())();
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int kill(/* pid_t p, int sig */);
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int sigaction(/* int signo,
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struct sigaction *act, struct sigaction *oldact */);
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int sigaddset(/* sigset_t *mask, int signo */);
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int sigdelset(/* sigset_t *mask, int signo */);
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int sigemptyset(/* sigset_t *mask */);
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int sigfillset(/* sigset_t *mask */);
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int sigismember(/* sigset_t *mask, int signo */);
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int sigpending(/* sigset_t *set */);
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int sigprocmask(/* int how, sigset_t *set, *oldset */);
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int sigsuspend(/* sigset_t *mask */);
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#endif /* _POSIX_SOURCE */
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#endif /* !__signal_h */
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