227 lines
7.0 KiB
C
227 lines
7.0 KiB
C
/* $NetBSD: signal.h,v 1.54 2010/08/27 08:40:38 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(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(pid_t, int);
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int __libc_sigaction14(int, const struct sigaction * __restrict,
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struct sigaction * __restrict);
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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(int, const sigset_t * __restrict,
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sigset_t * __restrict);
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#if !defined(__minix)
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int pthread_kill(pthread_t, int);
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#endif /* !defined(__minix) */
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int __libc_thr_sigsetmask(int, const sigset_t * __restrict,
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sigset_t * __restrict);
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#ifndef __LIBPTHREAD_SOURCE__
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#define pthread_sigmask __libc_thr_sigsetmask
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#endif /* __LIBPTHREAD_SOURCE__ */
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#endif
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#ifndef __LIBC12_SOURCE__
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int sigaction(int, const struct sigaction * __restrict,
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struct sigaction * __restrict) __RENAME(__sigaction14);
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#if defined(__minix) && !defined(_SYSTEM)
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int sigaddset(sigset_t *, int) __RENAME(__sigaddset14);
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int sigdelset(sigset_t *, int) __RENAME(__sigdelset14);
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int sigemptyset(sigset_t *) __RENAME(__sigemptyset14);
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int sigfillset(sigset_t *) __RENAME(__sigfillset14);
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int sigismember(const sigset_t *, int) __RENAME(__sigismember14);
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#endif /* defined(__minix) && !defined(_SYSTEM) */
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int sigpending(sigset_t *) __RENAME(__sigpending14);
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int sigprocmask(int, const sigset_t * __restrict, sigset_t * __restrict)
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__RENAME(__sigprocmask14);
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int sigsuspend(const sigset_t *) __RENAME(__sigsuspend14);
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#if defined(__c99inline) || defined(__SIGSETOPS_BODY)
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#if defined(__SIGSETOPS_BODY)
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#undef __c99inline
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#define __c99inline
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#endif
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/* note: this appears in both errno.h and signal.h */
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#ifndef __errno
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int *__errno(void);
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#define __errno __errno
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#endif
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/* the same as "errno" - but signal.h is not allowed to define that */
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#ifndef ___errno
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#define ___errno (*__errno())
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#endif
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#if defined(__minix) && defined(_SYSTEM)
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/* In Minix system code, use alternate versions of the signal mask
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* manipulation functions that do not check signal numbers vs. _NSIG.
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* _NSIG can then represent the user-visible signal set.
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*/
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#define sigaddset(set, sig) __sigaddset((set), (sig))
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#define sigdelset(set, sig) __sigdelset((set), (sig))
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#define sigemptyset(set) __sigemptyset((set))
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#define sigfillset(set) __sigfillset((set))
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#define sigismember(set, sig) __sigismember((set), (sig))
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#else
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__c99inline 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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__c99inline 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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__c99inline 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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__c99inline int
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sigemptyset(sigset_t *set)
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{
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__sigemptyset(set);
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return (0);
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}
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__c99inline int
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sigfillset(sigset_t *set)
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{
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__sigfillset(set);
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return (0);
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}
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#endif /* defined(__minix) && defined(_SYSTEM) */
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#endif /* __c99inline */
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#endif /* !__LIBC12_SOURCE__ */
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/*
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* X/Open CAE Specification Issue 4 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(pid_t, int);
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int siginterrupt(int, int);
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int sigstack(const struct sigstack *, struct sigstack *);
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#ifndef __LIBC12_SOURCE__
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int sigaltstack(const stack_t * __restrict, stack_t * __restrict)
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__RENAME(__sigaltstack14);
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#endif
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int sighold(int);
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int sigignore(int);
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int sigpause(int);
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int sigrelse(int);
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void (*sigset (int, void (*)(int)))(int);
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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; IEEE Std 1003.1b-1993 (POSIX)
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*/
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#if (_POSIX_C_SOURCE - 0) >= 199309L || (_XOPEN_SOURCE - 0) >= 500 || \
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defined(_NETBSD_SOURCE)
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int sigwait (const sigset_t * __restrict, int * __restrict);
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int sigwaitinfo(const sigset_t * __restrict, siginfo_t * __restrict);
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void psiginfo(const siginfo_t *, const char *);
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#ifndef __LIBC12_SOURCE__
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struct timespec;
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int sigtimedwait(const sigset_t * __restrict,
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siginfo_t * __restrict, const struct timespec * __restrict)
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__RENAME(__sigtimedwait50);
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int __sigtimedwait(const sigset_t * __restrict,
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siginfo_t * __restrict, struct timespec * __restrict)
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__RENAME(____sigtimedwait50);
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#endif
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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(int, const char *);
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#endif /* __PSIGNAL_DECLARED */
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int sigblock(int);
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int sigsetmask(int);
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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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