signal.h revision 105208
1/*- 2 * Copyright (c) 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)signal.h 8.3 (Berkeley) 3/30/94 34 * $FreeBSD: head/include/signal.h 105208 2002-10-16 07:01:10Z bde $ 35 */ 36 37#ifndef _SIGNAL_H_ 38#define _SIGNAL_H_ 39 40#include <sys/cdefs.h> 41#include <sys/_types.h> 42#include <sys/signal.h> 43 44#if __BSD_VISIBLE 45/* 46 * XXX should enlarge these, if only to give empty names instead of bounds 47 * errors for large signal numbers. 48 */ 49extern __const char *__const sys_signame[NSIG]; 50extern __const char *__const sys_siglist[NSIG]; 51extern __const int sys_nsig; 52#endif 53 54#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE 55#ifndef _PID_T_DECLARED 56typedef __pid_t pid_t; 57#define _PID_T_DECLARED 58#endif 59#endif 60 61__BEGIN_DECLS 62int raise(int); 63 64#if __POSIX_VISIBLE || __XSI_VISIBLE 65int kill(__pid_t, int); 66int sigaction(int, const struct sigaction * __restrict, 67 struct sigaction * __restrict); 68int sigaddset(sigset_t *, int); 69int sigdelset(sigset_t *, int); 70int sigemptyset(sigset_t *); 71int sigfillset(sigset_t *); 72int sigismember(const sigset_t *, int); 73int sigpending(sigset_t *); 74int sigprocmask(int, const sigset_t * __restrict, sigset_t * __restrict); 75int sigsuspend(const sigset_t *); 76int sigwait(const sigset_t * __restrict, int * __restrict); 77#endif 78 79#if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE >= 600 80#if 0 81/* 82 * PR: 35924 83 * XXX we don't actually have these. We set _POSIX_REALTIME_SIGNALS to 84 * -1 to show that we don't have them, but this symbol is not necessarily 85 * in scope (in the current implementation), so we can't use it here. 86 */ 87int sigqueue(__pid_t, int, const union sigval); 88struct timespec; 89int sigtimedwait(const sigset_t * __restrict, siginfo_t * __restrict, 90 const struct timespec * __restrict); 91int sigwaitinfo(const sigset_t * __restrict, siginfo_t * __restrict); 92#endif 93#endif 94 95#if __XSI_VISIBLE 96int killpg(__pid_t, int); 97int sigaltstack(const stack_t * __restrict, stack_t * __restrict); 98int sigpause(int); 99#endif 100 101#if __POSIX_VISIBLE >= 200112 102int siginterrupt(int, int); 103#endif 104 105#if __BSD_VISIBLE 106int sigblock(int); 107struct __ucontext; /* XXX spec requires a complete declaration. */ 108int sigreturn(const struct __ucontext *); 109int sigsetmask(int); 110int sigstack(const struct sigstack *, struct sigstack *); 111int sigvec(int, struct sigvec *, struct sigvec *); 112void psignal(unsigned int, const char *); 113#endif 114__END_DECLS 115 116#endif /* !_SIGNAL_H_ */ 117