signal.h revision 295561 
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 295561 2016-02-12 07:38:19Z kib $
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#include <machine/ucontext.h>
40#include <sys/_ucontext.h>
41
42#if __BSD_VISIBLE
43/*
44 * XXX should enlarge these, if only to give empty names instead of bounds
45 * errors for large signal numbers.
46 */
47extern const char * const sys_signame[NSIG];
48extern const char * const sys_siglist[NSIG];
49extern const int sys_nsig;
50#endif
51
52#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
53#ifndef _PID_T_DECLARED
54typedef	__pid_t		pid_t;
55#define	_PID_T_DECLARED
56#endif
57#endif
58
59#if __POSIX_VISIBLE || __XSI_VISIBLE
60struct pthread;		/* XXX */
61typedef struct pthread *__pthread_t;
62#if !defined(_PTHREAD_T_DECLARED) && __POSIX_VISIBLE >= 200809
63typedef __pthread_t pthread_t;
64#define	_PTHREAD_T_DECLARED
65#endif
66#endif /* __POSIX_VISIBLE || __XSI_VISIBLE */
67
68__BEGIN_DECLS
69int	raise(int);
70
71#if __POSIX_VISIBLE || __XSI_VISIBLE
72int	kill(__pid_t, int);
73int	pthread_kill(__pthread_t, int);
74int	pthread_sigmask(int, const __sigset_t * __restrict,
75	    __sigset_t * __restrict);
76int	sigaction(int, const struct sigaction * __restrict,
77	    struct sigaction * __restrict);
78int	sigaddset(sigset_t *, int);
79int	sigdelset(sigset_t *, int);
80int	sigemptyset(sigset_t *);
81int	sigfillset(sigset_t *);
82int	sigismember(const sigset_t *, int);
83int	sigpending(sigset_t *) __nonnull(1);
84int	sigprocmask(int, const sigset_t * __restrict, sigset_t * __restrict);
85int	sigsuspend(const sigset_t *) __nonnull(1);
86int	sigwait(const sigset_t * __restrict, int * __restrict) __nonnull_all;
87#endif
88
89#if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE >= 600
90int	sigqueue(__pid_t, int, const union sigval);
91
92struct timespec;
93int	sigtimedwait(const sigset_t * __restrict, siginfo_t * __restrict,
94	    const struct timespec * __restrict);
95int	sigwaitinfo(const sigset_t * __restrict, siginfo_t * __restrict);
96#endif
97
98#if __XSI_VISIBLE
99int	killpg(__pid_t, int);
100int	sigaltstack(const stack_t * __restrict, stack_t * __restrict);
101int	sighold(int);
102int	sigignore(int);
103int	sigpause(int);
104int	sigrelse(int);
105void	(*sigset(int, void (*)(int)))(int);
106int	xsi_sigpause(int);
107#endif
108
109#if __XSI_VISIBLE >= 600
110int	siginterrupt(int, int);
111#endif
112
113#if __POSIX_VISIBLE >= 200809
114void	psignal(unsigned int, const char *);
115#endif
116
117#if __BSD_VISIBLE
118int	sigblock(int);
119int	sigreturn(const struct __ucontext *);
120int	sigsetmask(int);
121int	sigstack(const struct sigstack *, struct sigstack *);
122int	sigvec(int, struct sigvec *, struct sigvec *);
123#endif
124__END_DECLS
125
126#endif /* !_SIGNAL_H_ */
127