/* $OpenBSD: signal.h,v 1.26 2018/05/30 13:20:38 bluhm Exp $ */ /* $NetBSD: signal.h,v 1.8 1996/02/29 00:04:57 jtc Exp $ */ /*- * Copyright (c) 1991, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)signal.h 8.3 (Berkeley) 3/30/94 */ #ifndef _USER_SIGNAL_H #define _USER_SIGNAL_H #include <sys/signal.h> #if __BSD_VISIBLE || __POSIX_VISIBLE || __XPG_VISIBLE #include <sys/types.h> #endif __BEGIN_DECLS #if __BSD_VISIBLE extern const char *const sys_signame[_NSIG]; extern const char *const sys_siglist[_NSIG]; #endif int raise(int); #if __BSD_VISIBLE || __POSIX_VISIBLE || __XPG_VISIBLE #if __BSD_VISIBLE || (__XPG_VISIBLE >= 500 && __XPG_VISIBLE < 700) void (*bsd_signal(int, void (*)(int)))(int); #endif int kill(pid_t, int); int sigaction(int, const struct sigaction *__restrict, struct sigaction *__restrict); int sigaddset(sigset_t *, int); int sigdelset(sigset_t *, int); int sigemptyset(sigset_t *); int sigfillset(sigset_t *); int sigismember(const sigset_t *, int); int sigpending(sigset_t *); int sigprocmask(int, const sigset_t *__restrict, sigset_t *__restrict); #if __POSIX_VISIBLE >= 199506 int pthread_sigmask(int, const sigset_t *__restrict, sigset_t *__restrict); #endif int sigsuspend(const sigset_t *); #if !defined(_ANSI_LIBRARY) extern int *__errno(void); __only_inline int sigaddset(sigset_t *__set, int __signo) { if (__signo <= 0 || __signo >= _NSIG) { *__errno() = 22; /* EINVAL */ return -1; } *__set |= (1U << ((__signo)-1)); /* sigmask(__signo) */ return (0); } __only_inline int sigdelset(sigset_t *__set, int __signo) { if (__signo <= 0 || __signo >= _NSIG) { *__errno() = 22; /* EINVAL */ return -1; } *__set &= ~(1U << ((__signo)-1)); /* sigmask(__signo) */ return (0); } __only_inline int sigismember(const sigset_t *__set, int __signo) { if (__signo <= 0 || __signo >= _NSIG) { *__errno() = 22; /* EINVAL */ return -1; } return ((*__set & (1U << ((__signo)-1))) != 0); } __only_inline int sigemptyset(sigset_t *__set) { *__set = 0; return (0); } __only_inline int sigfillset(sigset_t *__set) { *__set = ~(sigset_t)0; return (0); } #endif /* !_ANSI_LIBRARY */ #if __BSD_VISIBLE || __XPG_VISIBLE >= 420 int killpg(pid_t, int); int siginterrupt(int, int); int sigaltstack(const struct sigaltstack *__restrict, struct sigaltstack *__restrict); #if __BSD_VISIBLE int sigblock(int); /* This is the traditional BSD sigpause() and not the XPG/POSIX sigpause(). */ int sigpause(int); int sigsetmask(int); int sigvec(int, struct sigvec *, struct sigvec *); int thrkill(pid_t _tid, int _signum, void *_tcb); #endif #endif /* __BSD_VISIBLE || __XPG_VISIBLE >= 420 */ #if __BSD_VISIBLE || __POSIX_VISIBLE >= 199309 || __XPG_VISIBLE >= 500 int sigwait(const sigset_t *__restrict, int *__restrict); #endif #if __BSD_VISIBLE || __POSIX_VISIBLE >= 200809 void psignal(unsigned int, const char *); #endif #endif /* __BSD_VISIBLE || __POSIX_VISIBLE || __XPG_VISIBLE */ __END_DECLS #endif /* !_USER_SIGNAL_H */