signal.h revision 105107 
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 *
35 * $FreeBSD: head/include/signal.h 105107 2002-10-14 14:13:37Z mike $
36 */
37
38#ifndef _SIGNAL_H_
39#define	_SIGNAL_H_
40
41#include <sys/cdefs.h>
42#include <sys/_types.h>
43#include <sys/signal.h>
44
45#if __BSD_VISIBLE
46/*
47 * XXX should enlarge these, if only to give empty names instead of bounds
48 * errors for large signal numbers.
49 */
50extern __const char *__const sys_signame[NSIG];
51extern __const char *__const sys_siglist[NSIG];
52extern __const int sys_nsig;
53#endif
54
55#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
56#ifndef _PID_T_DECLARED
57typedef	__pid_t		pid_t;
58#define	_PID_T_DECLARED
59#endif
60#endif
61
62__BEGIN_DECLS
63int	raise(int);
64
65#if __POSIX_VISIBLE || __XSI_VISIBLE
66int	kill(__pid_t, int);
67int	sigaction(int, const struct sigaction * __restrict,
68	    struct sigaction * __restrict);
69int	sigaddset(sigset_t *, int);
70int	sigdelset(sigset_t *, int);
71int	sigemptyset(sigset_t *);
72int	sigfillset(sigset_t *);
73int	sigismember(const sigset_t *, int);
74int	sigpending(sigset_t *);
75int	sigprocmask(int, const sigset_t * __restrict, sigset_t * __restrict);
76int	sigsuspend(const sigset_t *);
77int	sigwait(const sigset_t * __restrict, int * __restrict);
78#endif
79
80#if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE >= 600
81#if 0
82/*
83 * PR: 35924
84 * XXX we don't actually have these.  We set _POSIX_REALTIME_SIGNALS to
85 * -1 to show that we don't have them, but this symbol is not necessarily
86 * in scope (in the current implementation), so we can't use it here.
87 */
88int	sigqueue(__pid_t, int, const union sigval);
89struct timespec;
90int	sigtimedwait(const sigset_t * __restrict, siginfo_t * __restrict,
91	    const struct timespec * __restrict);
92int	sigwaitinfo(const sigset_t * __restrict, siginfo_t * __restrict);
93#endif
94#endif
95
96#if __XSI_VISIBLE
97int	killpg(__pid_t, int);
98int	sigaltstack(const stack_t * __restrict, stack_t * __restrict);
99int	sigpause(int);
100#endif
101
102#if __POSIX_VISIBLE >= 200112
103int	siginterrupt(int, int);
104#endif
105
106#if __BSD_VISIBLE
107int	sigblock(int);
108struct __ucontext;		/* XXX spec requires a complete declaration. */
109int	sigreturn(const struct __ucontext *);
110int	sigsetmask(int);
111int	sigstack(const struct sigstack *, struct sigstack *);
112int	sigvec(int, struct sigvec *, struct sigvec *);
113void	psignal(unsigned int, const char *);
114#endif
115__END_DECLS
116
117#endif /* !_SIGNAL_H_ */
118