signal.h revision 34327 
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
36#ifndef _SIGNAL_H_
37#define	_SIGNAL_H_
38
39#include <sys/cdefs.h>
40#include <sys/signal.h>
41#include <machine/ansi.h>
42#include <sys/_posix.h>
43
44#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
45extern __const char *__const sys_signame[NSIG];
46extern __const char *__const sys_siglist[NSIG];
47#endif
48
49__BEGIN_DECLS
50int	raise __P((int));
51#ifndef	_ANSI_SOURCE
52int	kill __P((_BSD_PID_T_, int));
53int	sigaction __P((int, const struct sigaction *, struct sigaction *));
54int	sigaddset __P((sigset_t *, int));
55int	sigdelset __P((sigset_t *, int));
56int	sigemptyset __P((sigset_t *));
57int	sigfillset __P((sigset_t *));
58int	sigismember __P((const sigset_t *, int));
59#ifndef _POSIX_SOURCE
60struct timespec;
61int	signanosleep __P((const struct timespec *, struct timespec *,
62			  sigset_t *));
63#endif
64int	sigpending __P((sigset_t *));
65int	sigprocmask __P((int, const sigset_t *, sigset_t *));
66int	sigsuspend __P((const sigset_t *));
67
68
69#ifdef _POSIX4_VISIBLE
70
71typedef struct siginfo {
72	int	si_signo;		/* Signal number */
73	int	si_code;		/* Cause of the signal */
74	union sigval si_value;		/* Signal value */
75} siginfo_t;
76
77__BEGIN_DECLS
78int sigqueue __P((_BSD_PID_T_, int, const union sigval));
79int sigtimedwait __P((const sigset_t *, siginfo_t *));
80int sigwaitinfo __P((const sigset_t *, siginfo_t *));
81__END_DECLS
82
83#endif
84#ifndef _POSIX_SOURCE
85int	killpg __P((_BSD_PID_T_, int));
86int	sigaltstack __P((const struct sigaltstack *, struct sigaltstack *));
87int	sigblock __P((int));
88int	siginterrupt __P((int, int));
89int	sigpause __P((int));
90int	sigreturn __P((struct sigcontext *));
91int	sigsetmask __P((int));
92int	sigstack __P((const struct sigstack *, struct sigstack *));
93int	sigvec __P((int, struct sigvec *, struct sigvec *));
94void	psignal __P((unsigned int, const char *));
95#endif /* !_POSIX_SOURCE */
96#endif /* !_ANSI_SOURCE */
97__END_DECLS
98
99#ifndef _ANSI_SOURCE
100/* List definitions after function declarations, or Reiser cpp gets upset. */
101#define	sigaddset(set, signo)	(*(set) |= 1 << ((signo) - 1), 0)
102#define	sigdelset(set, signo)	(*(set) &= ~(1 << ((signo) - 1)), 0)
103#define	sigemptyset(set)	(*(set) = 0, 0)
104#define	sigfillset(set)		(*(set) = ~(sigset_t)0, 0)
105#define	sigismember(set, signo)	((*(set) & (1 << ((signo) - 1))) != 0)
106#endif /* !_ANSI_SOURCE */
107
108#endif /* !_SIGNAL_H_ */
109