signal.h revision 200881 
1113277Smike/*-
2113277Smike * Copyright (c) 1991, 1993
3113277Smike *	The Regents of the University of California.  All rights reserved.
4113277Smike *
5194869Sjamie * Redistribution and use in source and binary forms, with or without
6194869Sjamie * modification, are permitted provided that the following conditions
7113277Smike * are met:
8113277Smike * 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 200881 2009-12-22 22:15:52Z cognet $
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#if __POSIX_VISIBLE || __XSI_VISIBLE
62struct pthread;		/* XXX */
63typedef struct pthread *__pthread_t;
64#if !defined(_PTHREAD_T_DECLARED) && __POSIX_VISIBLE >= 200809
65typedef __pthread_t pthread_t;
66#define	_PTHREAD_T_DECLARED
67#endif
68#endif /* __POSIX_VISIBLE || __XSI_VISIBLE */
69
70__BEGIN_DECLS
71int	raise(int);
72
73#if __POSIX_VISIBLE || __XSI_VISIBLE
74int	kill(__pid_t, int);
75int	pthread_kill(__pthread_t, int);
76int	pthread_sigmask(int, const __sigset_t *, __sigset_t *);
77int	sigaction(int, const struct sigaction * __restrict,
78	    struct sigaction * __restrict);
79int	sigaddset(sigset_t *, int);
80int	sigdelset(sigset_t *, int);
81int	sigemptyset(sigset_t *);
82int	sigfillset(sigset_t *);
83int	sigismember(const sigset_t *, int);
84int	sigpending(sigset_t *);
85int	sigprocmask(int, const sigset_t * __restrict, sigset_t * __restrict);
86int	sigsuspend(const sigset_t *);
87int	sigwait(const sigset_t * __restrict, int * __restrict);
88#endif
89
90#if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE >= 600
91int	sigqueue(__pid_t, int, const union sigval);
92
93struct timespec;
94int	sigtimedwait(const sigset_t * __restrict, siginfo_t * __restrict,
95	    const struct timespec * __restrict);
96int	sigwaitinfo(const sigset_t * __restrict, siginfo_t * __restrict);
97#endif
98
99#if __XSI_VISIBLE
100int	killpg(__pid_t, int);
101int	sigaltstack(const stack_t * __restrict, stack_t * __restrict);
102int	sighold(int);
103int	sigignore(int);
104int	sigpause(int);
105int	sigrelse(int);
106void	(*sigset(int, void (*)(int)))(int);
107int	xsi_sigpause(int);
108#endif
109
110#if __XSI_VISIBLE >= 600
111int	siginterrupt(int, int);
112#endif
113
114#if __POSIX_VISIBLE >= 200809 || __BSD_VISIBLE
115void	psignal(unsigned int, const char *);
116#endif
117
118#if __BSD_VISIBLE
119int	sigblock(int);
120struct __ucontext;		/* XXX spec requires a complete declaration. */
121int	sigreturn(const struct __ucontext *);
122int	sigsetmask(int);
123int	sigstack(const struct sigstack *, struct sigstack *);
124int	sigvec(int, struct sigvec *, struct sigvec *);
125#endif
126__END_DECLS
127
128#endif /* !_SIGNAL_H_ */
129