diff options
Diffstat (limited to 'include/signal.h')
| -rw-r--r-- | include/signal.h | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/include/signal.h b/include/signal.h new file mode 100644 index 0000000..07982bd --- /dev/null +++ b/include/signal.h @@ -0,0 +1,140 @@ +/* $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 */ |