NetBSD/include/signal.h

199 lines
6.7 KiB
C

/* $NetBSD: signal.h,v 1.17 1998/10/01 19:41:23 kleink 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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(_ANSI_SOURCE)
#include <sys/types.h>
#endif
#include <sys/signal.h>
#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \
!defined(_XOPEN_SOURCE)
/* XXX XXX XXX */
extern __const char *__const sys_signame[SIGUSR2+1];
extern __const char *__const sys_siglist[SIGUSR2+1];
#endif
__BEGIN_DECLS
int raise __P((int));
#ifndef _ANSI_SOURCE
int kill __P((pid_t, int));
#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__)
extern __inline int
sigaddset(sigset_t *set, int signo)
{
#if (_POSIX_C_SOURCE - 0) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \
defined(_REENTRANT)
extern int *__errno __P((void));
#else
extern int errno;
#endif
if (signo <= 0 || signo >= _NSIG) {
#if (_POSIX_C_SOURCE - 0) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \
defined(_REENTRANT)
*__errno() = 22; /* EINVAL */
#else
errno = 22; /* EINVAL */
#endif
return (-1);
}
__sigaddset(set, signo);
return (0);
}
extern __inline int
sigdelset(sigset_t *set, int signo)
{
#if (_POSIX_C_SOURCE - 0) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \
defined(_REENTRANT)
extern int *__errno __P((void));
#else
extern int errno;
#endif
if (signo <= 0 || signo >= _NSIG) {
#if (_POSIX_C_SOURCE - 0) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \
defined(_REENTRANT)
*__errno() = 22; /* EINVAL */
#else
errno = 22; /* EINVAL */
#endif
return (-1);
}
__sigdelset(set, signo);
return (0);
}
extern __inline int
sigismember(const sigset_t *set, int signo)
{
#if (_POSIX_C_SOURCE - 0) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \
defined(_REENTRANT)
extern int *__errno __P((void));
#else
extern int errno;
#endif
if (signo <= 0 || signo >= _NSIG) {
#if (_POSIX_C_SOURCE - 0) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \
defined(_REENTRANT)
*__errno() = 22; /* EINVAL */
#else
errno = 22; /* EINVAL */
#endif
return (-1);
}
return (__sigismember(set, signo));
}
#endif /* __GNUC__ && __STDC__ */
/* List definitions after function declarations, or Reiser cpp gets upset. */
#define sigemptyset(set) (__sigemptyset(set), 0)
#define sigfillset(set) (__sigfillset(set), 0)
#endif /* !__LIBC12_SOURCE__ */
#if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
(defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
(_XOPEN_SOURCE - 0) >= 500
int killpg __P((pid_t, int));
int siginterrupt __P((int, int));
int sigpause __P((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
#endif /* (!_POSIX_C_SOURCE && !_XOPEN_SOURCE) || ... */
#if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
void psignal __P((unsigned int, const char *));
int sigblock __P((int));
#ifdef __LIBC12_SOURCE__
int sigreturn __P((struct sigcontext13 *));
int __sigreturn14 __P((struct sigcontext *));
#else
int sigreturn __P((struct sigcontext *)) __RENAME(__sigreturn14);
#endif
int sigsetmask __P((int));
int sigvec __P((int, struct sigvec *, struct sigvec *));
#endif /* !_POSIX_C_SOURCE && !_XOPEN_SOURCE */
#endif /* !_ANSI_SOURCE */
__END_DECLS
#endif /* !_SIGNAL_H_ */