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NetBSD/include/signal.h

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/* $NetBSD: signal.h,v 1.39 2004/12/10 16:40:40 nathanw 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 _SIGNAL_H_
#define _SIGNAL_H_
#include <sys/cdefs.h>
#include <sys/featuretest.h>
#if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
defined(_NETBSD_SOURCE)
#include <sys/types.h>
#endif
#include <sys/signal.h>
#if defined(_NETBSD_SOURCE)
extern __const char *__const *sys_signame __RENAME(__sys_signame14);
#ifndef __SYS_SIGLIST_DECLARED
#define __SYS_SIGLIST_DECLARED
/* also in unistd.h */
extern __const char *__const *sys_siglist __RENAME(__sys_siglist14);
#endif /* __SYS_SIGLIST_DECLARED */
extern __const int sys_nsig __RENAME(__sys_nsig14);
#endif
__BEGIN_DECLS
int raise __P((int));
#if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
defined(_NETBSD_SOURCE)
int kill __P((pid_t, int));
int __libc_sigaction14 __P((int, const struct sigaction *,
struct sigaction *));
#if (_POSIX_C_SOURCE - 0L) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \
defined(_NETBSD_SOURCE)
int pthread_sigmask __P((int, const sigset_t *, sigset_t *));
int pthread_kill __P((pthread_t, int));
int __libc_thr_sigsetmask(int, const sigset_t *, sigset_t *);
#ifndef __LIBPTHREAD_SOURCE__
#define pthread_sigmask __libc_thr_sigsetmask
#endif /* __LIBPTHREAD_SOURCE__ */
#endif
#ifdef __LIBC12_SOURCE__
int sigaction __P((int, const struct sigaction13 *, struct sigaction13 *));
int __sigaction14 __P((int, const struct sigaction *, struct sigaction *));
int sigaddset __P((sigset13_t *, int));
int __sigaddset14 __P((sigset_t *, int));
int sigdelset __P((sigset13_t *, int));
int __sigdelset14 __P((sigset_t *, int));
int sigemptyset __P((sigset13_t *));
int __sigemptyset14 __P((sigset_t *));
int sigfillset __P((sigset13_t *));
int __sigfillset14 __P((sigset_t *));
int sigismember __P((const sigset13_t *, int));
int __sigismember14 __P((const sigset_t *, int));
int sigpending __P((sigset13_t *));
int __sigpending14 __P((sigset_t *));
int sigprocmask __P((int, const sigset13_t *, sigset13_t *));
int __sigprocmask14 __P((int, const sigset_t *, sigset_t *));
int sigsuspend __P((const sigset13_t *));
int __sigsuspend14 __P((const sigset_t *));
#else /* !__LIBC12_SOURCE__ */
int sigaction __P((int, const struct sigaction *, struct sigaction *)) __RENAME(__sigaction14);
int sigaddset __P((sigset_t *, int)) __RENAME(__sigaddset14);
int sigdelset __P((sigset_t *, int)) __RENAME(__sigdelset14);
int sigemptyset __P((sigset_t *)) __RENAME(__sigemptyset14);
int sigfillset __P((sigset_t *)) __RENAME(__sigfillset14);
int sigismember __P((const sigset_t *, int)) __RENAME(__sigismember14);
int sigpending __P((sigset_t *)) __RENAME(__sigpending14);
int sigprocmask __P((int, const sigset_t *, sigset_t *)) __RENAME(__sigprocmask14);
int sigsuspend __P((const sigset_t *)) __RENAME(__sigsuspend14);
#if defined(__GNUC__) && defined(__STDC__)
#ifndef errno
int *__errno __P((void));
#define errno (*__errno())
#endif
extern __inline int
sigaddset(sigset_t *set, int signo)
{
if (signo <= 0 || signo >= _NSIG) {
errno = 22; /* EINVAL */
return (-1);
}
__sigaddset(set, signo);
return (0);
}
extern __inline int
sigdelset(sigset_t *set, int signo)
{
if (signo <= 0 || signo >= _NSIG) {
errno = 22; /* EINVAL */
return (-1);
}
__sigdelset(set, signo);
return (0);
}
extern __inline int
sigismember(const sigset_t *set, int signo)
{
if (signo <= 0 || signo >= _NSIG) {
errno = 22; /* EINVAL */
return (-1);
}
return (__sigismember(set, signo));
}
extern __inline int
sigemptyset(sigset_t *set)
{
__sigemptyset(set);
return (0);
}
extern __inline int
sigfillset(sigset_t *set)
{
__sigfillset(set);
return (0);
}
#endif /* __GNUC__ && __STDC__ */
#endif /* !__LIBC12_SOURCE__ */
/*
* X/Open CAE Specification Issue 4 Version 2
*/
#if (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
(_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE)
int killpg __P((pid_t, int));
int siginterrupt __P((int, int));
int sigstack __P((const struct sigstack *, struct sigstack *));
#ifdef __LIBC12_SOURCE__
int sigaltstack __P((const struct sigaltstack13 *, struct sigaltstack13 *));
int __sigaltstack14 __P((const stack_t *, stack_t *));
#else
int sigaltstack __P((const stack_t *, stack_t *)) __RENAME(__sigaltstack14);
#endif
int sighold __P((int));
int sigignore __P((int));
int sigpause __P((int));
int sigrelse __P((int));
void (*sigset __P((int, void (*)(int)))) __P((int));
#endif /* _XOPEN_SOURCE_EXTENDED || _XOPEN_SOURCE >= 500 || _NETBSD_SOURCE */
/*
* X/Open CAE Specification Issue 5; IEEE Std 1003.1b-1993 (POSIX)
*/
#if (_POSIX_C_SOURCE - 0) >= 199309L || (_XOPEN_SOURCE - 0) >= 500 || \
defined(_NETBSD_SOURCE)
int sigwait __P((const sigset_t * __restrict, int * __restrict));
int sigwaitinfo __P((const sigset_t * __restrict, siginfo_t * __restrict));
struct timespec;
int sigtimedwait __P((const sigset_t * __restrict,
siginfo_t * __restrict, const struct timespec * __restrict));
int __sigtimedwait __P((const sigset_t * __restrict,
siginfo_t * __restrict, struct timespec * __restrict));
#endif /* _POSIX_C_SOURCE >= 200112 || _XOPEN_SOURCE_EXTENDED || ... */
#if defined(_NETBSD_SOURCE)
#ifndef __PSIGNAL_DECLARED
#define __PSIGNAL_DECLARED
/* also in unistd.h */
void psignal __P((unsigned int, const char *));
#endif /* __PSIGNAL_DECLARED */
int sigblock __P((int));
#ifdef __LIBC12_SOURCE__
int sigreturn __P((struct sigcontext13 *));
#ifndef __HAVE_SIGINFO
int __sigreturn14 __P((struct sigcontext *));
#endif
#else
#ifndef __HAVE_SIGINFO
int sigreturn __P((struct sigcontext *)) __RENAME(__sigreturn14);
#endif
#endif
int sigsetmask __P((int));
int sigvec __P((int, struct sigvec *, struct sigvec *));
#endif /* _NETBSD_SOURCE */
#endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */
__END_DECLS
#endif /* !_SIGNAL_H_ */
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