|
|
/* $OpenBSD: signal.h,v 1.26 2018/05/30 13:20:38 bluhm Exp $ */
|
|
|
/* $NetBSD: signal.h,v 1.8 1996/02/29 00:04:57 jtc 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 _USER_SIGNAL_H
|
|
|
#define _USER_SIGNAL_H
|
|
|
|
|
|
#include <sys/signal.h>
|
|
|
|
|
|
#if __BSD_VISIBLE || __POSIX_VISIBLE || __XPG_VISIBLE
|
|
|
#include <sys/types.h>
|
|
|
#endif
|
|
|
|
|
|
__BEGIN_DECLS
|
|
|
#if __BSD_VISIBLE
|
|
|
extern const char *const sys_signame[_NSIG];
|
|
|
extern const char *const sys_siglist[_NSIG];
|
|
|
#endif
|
|
|
|
|
|
int raise(int);
|
|
|
#if __BSD_VISIBLE || __POSIX_VISIBLE || __XPG_VISIBLE
|
|
|
#if __BSD_VISIBLE || (__XPG_VISIBLE >= 500 && __XPG_VISIBLE < 700)
|
|
|
void (*bsd_signal(int, void (*)(int)))(int);
|
|
|
#endif
|
|
|
int kill(pid_t, int);
|
|
|
int sigaction(int, const struct sigaction *__restrict,
|
|
|
struct sigaction *__restrict);
|
|
|
int sigaddset(sigset_t *, int);
|
|
|
int sigdelset(sigset_t *, int);
|
|
|
int sigemptyset(sigset_t *);
|
|
|
int sigfillset(sigset_t *);
|
|
|
int sigismember(const sigset_t *, int);
|
|
|
int sigpending(sigset_t *);
|
|
|
int sigprocmask(int, const sigset_t *__restrict, sigset_t *__restrict);
|
|
|
#if __POSIX_VISIBLE >= 199506
|
|
|
int pthread_sigmask(int, const sigset_t *__restrict, sigset_t *__restrict);
|
|
|
#endif
|
|
|
int sigsuspend(const sigset_t *);
|
|
|
|
|
|
#if !defined(_ANSI_LIBRARY)
|
|
|
|
|
|
extern int *__errno(void);
|
|
|
|
|
|
__only_inline int sigaddset(sigset_t *__set, int __signo)
|
|
|
{
|
|
|
if (__signo <= 0 || __signo >= _NSIG) {
|
|
|
*__errno() = 22; /* EINVAL */
|
|
|
return -1;
|
|
|
}
|
|
|
*__set |= (1U << ((__signo)-1)); /* sigmask(__signo) */
|
|
|
return (0);
|
|
|
}
|
|
|
|
|
|
__only_inline int sigdelset(sigset_t *__set, int __signo)
|
|
|
{
|
|
|
if (__signo <= 0 || __signo >= _NSIG) {
|
|
|
*__errno() = 22; /* EINVAL */
|
|
|
return -1;
|
|
|
}
|
|
|
*__set &= ~(1U << ((__signo)-1)); /* sigmask(__signo) */
|
|
|
return (0);
|
|
|
}
|
|
|
|
|
|
__only_inline int sigismember(const sigset_t *__set, int __signo)
|
|
|
{
|
|
|
if (__signo <= 0 || __signo >= _NSIG) {
|
|
|
*__errno() = 22; /* EINVAL */
|
|
|
return -1;
|
|
|
}
|
|
|
return ((*__set & (1U << ((__signo)-1))) != 0);
|
|
|
}
|
|
|
|
|
|
__only_inline int sigemptyset(sigset_t *__set)
|
|
|
{
|
|
|
*__set = 0;
|
|
|
return (0);
|
|
|
}
|
|
|
|
|
|
__only_inline int sigfillset(sigset_t *__set)
|
|
|
{
|
|
|
*__set = ~(sigset_t)0;
|
|
|
return (0);
|
|
|
}
|
|
|
|
|
|
#endif /* !_ANSI_LIBRARY */
|
|
|
|
|
|
#if __BSD_VISIBLE || __XPG_VISIBLE >= 420
|
|
|
int killpg(pid_t, int);
|
|
|
int siginterrupt(int, int);
|
|
|
int sigaltstack(const struct sigaltstack *__restrict,
|
|
|
struct sigaltstack *__restrict);
|
|
|
#if __BSD_VISIBLE
|
|
|
int sigblock(int);
|
|
|
/* This is the traditional BSD sigpause() and not the XPG/POSIX sigpause(). */
|
|
|
int sigpause(int);
|
|
|
int sigsetmask(int);
|
|
|
int sigvec(int, struct sigvec *, struct sigvec *);
|
|
|
int thrkill(pid_t _tid, int _signum, void *_tcb);
|
|
|
#endif
|
|
|
#endif /* __BSD_VISIBLE || __XPG_VISIBLE >= 420 */
|
|
|
#if __BSD_VISIBLE || __POSIX_VISIBLE >= 199309 || __XPG_VISIBLE >= 500
|
|
|
int sigwait(const sigset_t *__restrict, int *__restrict);
|
|
|
#endif
|
|
|
#if __BSD_VISIBLE || __POSIX_VISIBLE >= 200809
|
|
|
void psignal(unsigned int, const char *);
|
|
|
#endif
|
|
|
#endif /* __BSD_VISIBLE || __POSIX_VISIBLE || __XPG_VISIBLE */
|
|
|
__END_DECLS
|
|
|
|
|
|
#endif /* !_USER_SIGNAL_H */
|