/*      $NetBSD: signal.h,v 1.60 2024/09/09 21:19:54 rillig 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 >= 199309L || _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_ */

You are viewing proxied material from ftp.icm.edu.pl. The copyright of proxied material belongs to its original authors. Any comments or complaints in relation to proxied material should be directed to the original authors of the content concerned. Please see the disclaimer for more details.