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 * $FreeBSD$
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#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
40#include <machine/ucontext.h>
41#include <sys/_ucontext.h>
42#endif
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 * __restrict,
77	    __sigset_t * __restrict);
78int	sigaction(int, const struct sigaction * __restrict,
79	    struct sigaction * __restrict);
80int	sigaddset(sigset_t *, int);
81int	sigdelset(sigset_t *, int);
82int	sigemptyset(sigset_t *);
83int	sigfillset(sigset_t *);
84int	sigismember(const sigset_t *, int);
85int	sigpending(sigset_t *) __nonnull(1);
86int	sigprocmask(int, const sigset_t * __restrict, sigset_t * __restrict);
87int	sigsuspend(const sigset_t *) __nonnull(1);
88int	sigwait(const sigset_t * __restrict, int * __restrict) __nonnull_all;
89#endif
90
91#if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE >= 600
92int	sigqueue(__pid_t, int, const union sigval);
93
94struct timespec;
95int	sigtimedwait(const sigset_t * __restrict, siginfo_t * __restrict,
96	    const struct timespec * __restrict);
97int	sigwaitinfo(const sigset_t * __restrict, siginfo_t * __restrict);
98#endif
99
100#if __XSI_VISIBLE
101int	killpg(__pid_t, int);
102int	sigaltstack(const stack_t * __restrict, stack_t * __restrict);
103int	sighold(int);
104int	sigignore(int);
105int	sigpause(int);
106int	sigrelse(int);
107void	(*sigset(int, void (*)(int)))(int);
108int	xsi_sigpause(int);
109#endif
110
111#if __XSI_VISIBLE >= 600
112int	siginterrupt(int, int);
113#endif
114
115#if __POSIX_VISIBLE >= 200809
116void	psignal(int, const char *);
117#endif
118
119#if __BSD_VISIBLE
120int	sigblock(int);
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