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/* $NetBSD: signal.h,v 1.59 2021/11/02 20:12:25 christos 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>
__BEGIN_DECLS
#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
int raise(int);
#if defined(_NETBSD_SOURCE)
const char *signalname(int);
int signalnext(int);
int signalnumber(const char *);
#endif
#if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
defined(_NETBSD_SOURCE)
int kill(pid_t, int);
int __sigaction_siginfo(int, const struct sigaction * __restrict,
struct sigaction * __restrict);
#if (_POSIX_C_SOURCE - 0L) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \
defined(_NETBSD_SOURCE)
int pthread_sigmask(int, const sigset_t * __restrict,
sigset_t * __restrict);
int pthread_kill(pthread_t, int);
int __libc_thr_sigsetmask(int, const sigset_t * __restrict,
sigset_t * __restrict);
#ifndef __LIBPTHREAD_SOURCE__
#define pthread_sigmask __libc_thr_sigsetmask
#endif /* __LIBPTHREAD_SOURCE__ */
#endif
#ifndef __LIBC12_SOURCE__
int sigaction(int, const struct sigaction * __restrict,
struct sigaction * __restrict) __RENAME(__sigaction_siginfo);
int sigaddset(sigset_t *, int) __RENAME(__sigaddset14);
int sigdelset(sigset_t *, int) __RENAME(__sigdelset14);
int sigemptyset(sigset_t *) __RENAME(__sigemptyset14);
int sigfillset(sigset_t *) __RENAME(__sigfillset14);
int sigismember(const sigset_t *, int) __RENAME(__sigismember14);
int sigpending(sigset_t *) __RENAME(__sigpending14);
int sigprocmask(int, const sigset_t * __restrict, sigset_t * __restrict)
__RENAME(__sigprocmask14);
int sigsuspend(const sigset_t *) __RENAME(__sigsuspend14);
#if defined(__c99inline) || defined(__SIGSETOPS_BODY)
#if defined(__SIGSETOPS_BODY)
#undef __c99inline
#define __c99inline
#endif
/* note: this appears in both errno.h and signal.h */
#ifndef __errno
int *__errno(void);
#define __errno __errno
#endif
/* the same as "errno" - but signal.h is not allowed to define that */
#ifndef ___errno
#define ___errno (*__errno())
#endif
__c99inline int
sigaddset(sigset_t *set, int signo)
{
if (signo <= 0 || signo >= _NSIG) {
___errno = 22; /* EINVAL */
return (-1);
}
__sigaddset(set, signo);
return (0);
}
__c99inline int
sigdelset(sigset_t *set, int signo)
{
if (signo <= 0 || signo >= _NSIG) {
___errno = 22; /* EINVAL */
return (-1);
}
__sigdelset(set, signo);
return (0);
}
__c99inline int
sigismember(const sigset_t *set, int signo)
{
if (signo <= 0 || signo >= _NSIG) {
___errno = 22; /* EINVAL */
return (-1);
}
return (__sigismember(set, signo));
}
__c99inline int
sigemptyset(sigset_t *set)
{
__sigemptyset(set);
return (0);
}
__c99inline int
sigfillset(sigset_t *set)
{
__sigfillset(set);
return (0);
}
#endif /* __c99inline */
#endif /* !__LIBC12_SOURCE__ */
/*
* X/Open CAE Specification Issue 4 Version 2
*/
#if (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
(_XOPEN_SOURCE - 0) >= 500 || (_POSIX_C_SOURCE - 0) >= 200809L || \
defined(_NETBSD_SOURCE)
int killpg(pid_t, int);
int siginterrupt(int, int);
int sigstack(const struct sigstack *, struct sigstack *);
#ifndef __LIBC12_SOURCE__
int sigaltstack(const stack_t * __restrict, stack_t * __restrict)
__RENAME(__sigaltstack14);
#endif
int sighold(int);
int sigignore(int);
int sigpause(int);
int sigrelse(int);
void (*sigset (int, void (*)(int)))(int);
#endif /* _XOPEN_SOURCE_EXTENDED || _XOPEN_SOURCE >= 500
* || _POSIX_C_SOURCE >= 200809L || _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 (const sigset_t * __restrict, int * __restrict);
int sigwaitinfo(const sigset_t * __restrict, siginfo_t * __restrict);
void psiginfo(const siginfo_t *, const char *);
#ifndef __LIBC12_SOURCE__
#include <sys/timespec.h>
int sigtimedwait(const sigset_t * __restrict,
siginfo_t * __restrict, const struct timespec * __restrict)
__RENAME(__sigtimedwait50);
int __sigtimedwait(const sigset_t * __restrict,
siginfo_t * __restrict, struct timespec * __restrict)
__RENAME(____sigtimedwait50);
#endif
#endif /* _POSIX_C_SOURCE >= 200112 || _XOPEN_SOURCE_EXTENDED || ... */
#if defined(_NETBSD_SOURCE)
#ifndef __PSIGNAL_DECLARED
#define __PSIGNAL_DECLARED
/* also in unistd.h */
void psignal(int, const char *);
#endif /* __PSIGNAL_DECLARED */
int sigblock(int);
int sigsetmask(int);
#endif /* _NETBSD_SOURCE */
int __sigtramp_check_np(void *);
#endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */
__END_DECLS
#endif /* !_SIGNAL_H_ */
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