208 lines
7.2 KiB
C
208 lines
7.2 KiB
C
/* $NetBSD: signal.h,v 1.36 2003/09/12 20:27:50 christos 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. 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(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
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defined(_NETBSD_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(_NETBSD_SOURCE)
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extern __const char *__const *sys_signame __RENAME(__sys_signame14);
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#ifndef __SYS_SIGLIST_DECLARED
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#define __SYS_SIGLIST_DECLARED
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/* also in unistd.h */
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extern __const char *__const *sys_siglist __RENAME(__sys_siglist14);
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#endif /* __SYS_SIGLIST_DECLARED */
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extern __const int sys_nsig __RENAME(__sys_nsig14);
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#endif
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__BEGIN_DECLS
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int raise __P((int));
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#if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
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defined(_NETBSD_SOURCE)
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int kill __P((pid_t, int));
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int __libc_sigaction14 __P((int, const struct sigaction *,
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struct sigaction *));
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#if (_POSIX_C_SOURCE - 0L) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \
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defined(_NETBSD_SOURCE)
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int pthread_sigmask __P((int, const sigset_t *, sigset_t *));
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int pthread_kill __P((pthread_t, int));
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#endif
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#ifdef __LIBC12_SOURCE__
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int sigaction __P((int, const struct sigaction13 *, struct sigaction13 *));
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int __sigaction14 __P((int, const struct sigaction *, struct sigaction *));
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int sigaddset __P((sigset13_t *, int));
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int __sigaddset14 __P((sigset_t *, int));
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int sigdelset __P((sigset13_t *, int));
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int __sigdelset14 __P((sigset_t *, int));
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int sigemptyset __P((sigset13_t *));
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int __sigemptyset14 __P((sigset_t *));
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int sigfillset __P((sigset13_t *));
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int __sigfillset14 __P((sigset_t *));
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int sigismember __P((const sigset13_t *, int));
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int __sigismember14 __P((const sigset_t *, int));
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int sigpending __P((sigset13_t *));
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int __sigpending14 __P((sigset_t *));
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int sigprocmask __P((int, const sigset13_t *, sigset13_t *));
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int __sigprocmask14 __P((int, const sigset_t *, sigset_t *));
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int sigsuspend __P((const sigset13_t *));
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int __sigsuspend14 __P((const sigset_t *));
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#else /* !__LIBC12_SOURCE__ */
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int sigaction __P((int, const struct sigaction *, struct sigaction *)) __RENAME(__sigaction14);
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int sigaddset __P((sigset_t *, int)) __RENAME(__sigaddset14);
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int sigdelset __P((sigset_t *, int)) __RENAME(__sigdelset14);
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int sigemptyset __P((sigset_t *)) __RENAME(__sigemptyset14);
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int sigfillset __P((sigset_t *)) __RENAME(__sigfillset14);
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int sigismember __P((const sigset_t *, int)) __RENAME(__sigismember14);
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int sigpending __P((sigset_t *)) __RENAME(__sigpending14);
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int sigprocmask __P((int, const sigset_t *, sigset_t *)) __RENAME(__sigprocmask14);
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int sigsuspend __P((const sigset_t *)) __RENAME(__sigsuspend14);
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#if defined(__GNUC__) && defined(__STDC__)
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#ifndef errno
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int *__errno __P((void));
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#define errno (*__errno())
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#endif
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extern __inline int
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sigaddset(sigset_t *set, int signo)
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{
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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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__sigaddset(set, signo);
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return (0);
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}
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extern __inline int
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sigdelset(sigset_t *set, int signo)
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{
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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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__sigdelset(set, signo);
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return (0);
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}
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extern __inline int
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sigismember(const sigset_t *set, int signo)
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{
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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 (__sigismember(set, signo));
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}
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#endif /* __GNUC__ && __STDC__ */
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/* List definitions after function declarations, or Reiser cpp gets upset. */
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#define sigemptyset(set) (__sigemptyset(set), /*LINTED*/0)
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#define sigfillset(set) (__sigfillset(set), /*LINTED*/ 0)
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#endif /* !__LIBC12_SOURCE__ */
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/*
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* X/Open CAE Specification Issue 5 Version 2
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*/
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#if (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
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(_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE)
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int killpg __P((pid_t, int));
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int siginterrupt __P((int, 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 /* _XOPEN_SOURCE_EXTENDED || _XOPEN_SOURCE >= 500 || _NETBSD_SOURCE */
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/*
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* X/Open CAE Specification Issue 5 Version 2; IEEE Std 1003.1-2001 (POSIX)
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*/
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#if (_POSIX_C_SOURCE - 0) >= 200112L || \
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(defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
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(_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE)
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int sighold __P((int));
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int sigignore __P((int));
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int sigpause __P((int));
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int sigrelse __P((int));
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void (*sigset __P((int, void (*)(int)))) __P((int));
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int sigwait __P((const sigset_t * __restrict, int * __restrict));
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int sigwaitinfo __P((const sigset_t * __restrict, siginfo_t * __restrict));
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struct timespec;
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int sigtimedwait __P((const sigset_t * __restrict,
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siginfo_t * __restrict, const struct timespec * __restrict));
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int __sigtimedwait __P((const sigset_t * __restrict,
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siginfo_t * __restrict, struct timespec * __restrict));
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#endif /* _POSIX_C_SOURCE >= 200112 || _XOPEN_SOURCE_EXTENDED || ... */
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#if defined(_NETBSD_SOURCE)
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#ifndef __PSIGNAL_DECLARED
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#define __PSIGNAL_DECLARED
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/* also in unistd.h */
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void psignal __P((unsigned int, const char *));
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#endif /* __PSIGNAL_DECLARED */
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int sigblock __P((int));
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#ifdef __LIBC12_SOURCE__
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int sigreturn __P((struct sigcontext13 *));
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#ifndef __HAVE_SIGINFO
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int __sigreturn14 __P((struct sigcontext *));
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#endif
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#else
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#ifndef __HAVE_SIGINFO
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int sigreturn __P((struct sigcontext *)) __RENAME(__sigreturn14);
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#endif
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#endif
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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 /* _NETBSD_SOURCE */
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#endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */
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__END_DECLS
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#endif /* !_SIGNAL_H_ */
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