signal.h revision 203964 
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. Neither the name of the University nor the names of its contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 *	@(#)signal.h	8.3 (Berkeley) 3/30/94
30 * $FreeBSD: head/include/signal.h 203964 2010-02-16 19:39:50Z imp $
31 */
32
33#ifndef _SIGNAL_H_
34#define	_SIGNAL_H_
35
36#include <sys/cdefs.h>
37#include <sys/_types.h>
38#include <sys/signal.h>
39
40#if __BSD_VISIBLE
41/*
42 * XXX should enlarge these, if only to give empty names instead of bounds
43 * errors for large signal numbers.
44 */
45extern __const char *__const sys_signame[NSIG];
46extern __const char *__const sys_siglist[NSIG];
47extern __const int sys_nsig;
48#endif
49
50#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
51#ifndef _PID_T_DECLARED
52typedef	__pid_t		pid_t;
53#define	_PID_T_DECLARED
54#endif
55#endif
56
57#if __POSIX_VISIBLE || __XSI_VISIBLE
58struct pthread;		/* XXX */
59typedef struct pthread *__pthread_t;
60#if !defined(_PTHREAD_T_DECLARED) && __POSIX_VISIBLE >= 200809
61typedef __pthread_t pthread_t;
62#define	_PTHREAD_T_DECLARED
63#endif
64#endif /* __POSIX_VISIBLE || __XSI_VISIBLE */
65
66__BEGIN_DECLS
67int	raise(int);
68
69#if __POSIX_VISIBLE || __XSI_VISIBLE
70int	kill(__pid_t, int);
71int	pthread_kill(__pthread_t, int);
72int	pthread_sigmask(int, const __sigset_t *, __sigset_t *);
73int	sigaction(int, const struct sigaction * __restrict,
74	    struct sigaction * __restrict);
75int	sigaddset(sigset_t *, int);
76int	sigdelset(sigset_t *, int);
77int	sigemptyset(sigset_t *);
78int	sigfillset(sigset_t *);
79int	sigismember(const sigset_t *, int);
80int	sigpending(sigset_t *);
81int	sigprocmask(int, const sigset_t * __restrict, sigset_t * __restrict);
82int	sigsuspend(const sigset_t *);
83int	sigwait(const sigset_t * __restrict, int * __restrict);
84#endif
85
86#if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE >= 600
87int	sigqueue(__pid_t, int, const union sigval);
88
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
95#if __XSI_VISIBLE
96int	killpg(__pid_t, int);
97int	sigaltstack(const stack_t * __restrict, stack_t * __restrict);
98int	sighold(int);
99int	sigignore(int);
100int	sigpause(int);
101int	sigrelse(int);
102void	(*sigset(int, void (*)(int)))(int);
103int	xsi_sigpause(int);
104#endif
105
106#if __XSI_VISIBLE >= 600
107int	siginterrupt(int, int);
108#endif
109
110#if __POSIX_VISIBLE >= 200809 || __BSD_VISIBLE
111void	psignal(unsigned int, const char *);
112#endif
113
114#if __BSD_VISIBLE
115int	sigblock(int);
116struct __ucontext;		/* XXX spec requires a complete declaration. */
117int	sigreturn(const struct __ucontext *);
118int	sigsetmask(int);
119int	sigstack(const struct sigstack *, struct sigstack *);
120int	sigvec(int, struct sigvec *, struct sigvec *);
121#endif
122__END_DECLS
123
124#endif /* !_SIGNAL_H_ */
125