135 lines
4.6 KiB
C
135 lines
4.6 KiB
C
/* $NetBSD: signal.h,v 1.12 1998/05/25 21:55:48 kleink Exp $ */
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/*-
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* Copyright (c) 1991, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)signal.h 8.3 (Berkeley) 3/30/94
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*/
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#ifndef _SIGNAL_H_
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#define _SIGNAL_H_
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#include <sys/cdefs.h>
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#include <sys/featuretest.h>
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#if !defined(_ANSI_SOURCE)
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#include <sys/types.h>
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#endif
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#include <sys/signal.h>
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#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \
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!defined(_XOPEN_SOURCE)
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extern __const char *__const sys_signame[_NSIG];
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extern __const char *__const sys_siglist[_NSIG];
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#endif
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__BEGIN_DECLS
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int raise __P((int));
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#ifndef _ANSI_SOURCE
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int kill __P((pid_t, int));
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int sigaction __P((int, const struct sigaction *, struct sigaction *));
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int sigaddset __P((sigset_t *, int));
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int sigdelset __P((sigset_t *, int));
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int sigemptyset __P((sigset_t *));
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int sigfillset __P((sigset_t *));
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int sigismember __P((const sigset_t *, int));
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int sigpending __P((sigset_t *));
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int sigprocmask __P((int, const sigset_t *, sigset_t *));
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int sigsuspend __P((const sigset_t *));
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#if defined(__GNUC__) && defined(__STDC__)
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extern __inline int sigaddset(sigset_t *set, int signo) {
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extern int errno;
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if (signo <= 0 || signo >= _NSIG) {
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errno = 22; /* EINVAL */
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return -1;
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}
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*set |= (1 << ((signo)-1)); /* sigmask(signo) */
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return (0);
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}
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extern __inline int sigdelset(sigset_t *set, int signo) {
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extern int errno;
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if (signo <= 0 || signo >= _NSIG) {
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errno = 22; /* EINVAL */
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return -1;
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}
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*set &= ~(1 << ((signo)-1)); /* sigmask(signo) */
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return (0);
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}
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extern __inline int sigismember(const sigset_t *set, int signo) {
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extern int errno;
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if (signo <= 0 || signo >= _NSIG) {
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errno = 22; /* EINVAL */
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return -1;
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}
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return ((*set & (1 << ((signo)-1))) != 0);
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}
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#endif
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/* List definitions after function declarations, or Reiser cpp gets upset. */
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#define sigemptyset(set) (*(set) = 0, 0)
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#define sigfillset(set) (*(set) = ~(sigset_t)0, 0)
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#if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
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(defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
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(_XOPEN_SOURCE - 0) >= 500
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int killpg __P((pid_t, int));
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int siginterrupt __P((int, int));
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int sigpause __P((int));
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int sigstack __P((const struct sigstack *, struct sigstack *));
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#ifdef __LIBC12_SOURCE__
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int sigaltstack __P((const struct sigaltstack13 *, struct sigaltstack13 *));
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int __sigaltstack14 __P((const stack_t *, stack_t *));
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#else
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int sigaltstack __P((const stack_t *, stack_t *)) __RENAME(__sigaltstack14);
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#endif
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#endif /* (!_POSIX_C_SOURCE && !_XOPEN_SOURCE) || ... */
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#if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
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void psignal __P((unsigned int, const char *));
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int sigblock __P((int));
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int sigreturn __P((struct sigcontext *));
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int sigsetmask __P((int));
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int sigvec __P((int, struct sigvec *, struct sigvec *));
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#endif /* !_POSIX_C_SOURCE && !_XOPEN_SOURCE */
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#endif /* !_ANSI_SOURCE */
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__END_DECLS
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#endif /* !_SIGNAL_H_ */
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