/* $OpenBSD: signal.h,v 1.4 1998/11/20 11:18:26 d 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. 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 !defined(_ANSI_SOURCE) #include <sys/types.h> #endif #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE) extern __const char *__const sys_signame[_NSIG]; extern __const char *__const sys_siglist[_NSIG]; #endif __BEGIN_DECLS int raise __P((int)); #ifndef _ANSI_SOURCE int kill __P((pid_t, int)); int sigaction __P((int, const struct sigaction *, struct sigaction *)); int sigaddset __P((sigset_t *, int)); int sigdelset __P((sigset_t *, int)); int sigemptyset __P((sigset_t *)); int sigfillset __P((sigset_t *)); int sigismember __P((const sigset_t *, int)); int sigpending __P((sigset_t *)); int sigprocmask __P((int, const sigset_t *, sigset_t *)); int sigsuspend __P((const sigset_t *)); #if defined(__GNUC__) && defined(__STDC__) extern __inline int sigaddset(sigset_t *set, int signo) { extern int errno; if (signo <= 0 || signo >= _NSIG) { errno = 22; /* EINVAL */ return -1; } *set |= (1 << ((signo)-1)); /* sigmask(signo) */ return (0); } extern __inline int sigdelset(sigset_t *set, int signo) { extern int errno; if (signo <= 0 || signo >= _NSIG) { errno = 22; /* EINVAL */ return -1; } *set &= ~(1 << ((signo)-1)); /* sigmask(signo) */ return (0); } extern __inline int sigismember(const sigset_t *set, int signo) { extern int errno; if (signo <= 0 || signo >= _NSIG) { errno = 22; /* EINVAL */ return -1; } return ((*set & (1 << ((signo)-1))) != 0); } #endif /* List definitions after function declarations, or Reiser cpp gets upset. */ #define sigemptyset(set) (*(set) = 0, 0) #define sigfillset(set) (*(set) = ~(sigset_t)0, 0) #ifndef _POSIX_SOURCE int killpg __P((pid_t, int)); int sigblock __P((int)); int siginterrupt __P((int, int)); int sigpause __P((int)); int sigreturn __P((struct sigcontext *)); int sigsetmask __P((int)); int sigstack __P((const struct sigstack *, struct sigstack *)); int sigaltstack __P((const struct sigaltstack *, struct sigaltstack *)); int sigvec __P((int, struct sigvec *, struct sigvec *)); void psignal __P((unsigned int, const char *)); int sigwait __P((const sigset_t *, int *)); #endif /* !_POSIX_SOURCE */ #endif /* !_ANSI_SOURCE */ __END_DECLS #endif /* !_USER_SIGNAL_H */