xref: /freebsd/include/signal.h (revision 7f3dea244c40159a41ab22da77a434d7c5b5e85a)
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/_posix.h>
41 #include <machine/ansi.h>
42 #include <sys/signal.h>
43 
44 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
45 extern __const char *__const sys_signame[NSIG];
46 extern __const char *__const sys_siglist[NSIG];
47 extern __const int sys_nsig;
48 #endif
49 
50 __BEGIN_DECLS
51 int	raise __P((int));
52 #ifndef	_ANSI_SOURCE
53 int	kill __P((_BSD_PID_T_, int));
54 int	sigaction __P((int, const struct sigaction *, struct sigaction *));
55 int	sigaddset __P((sigset_t *, int));
56 int	sigdelset __P((sigset_t *, int));
57 int	sigemptyset __P((sigset_t *));
58 int	sigfillset __P((sigset_t *));
59 int	sigismember __P((const sigset_t *, int));
60 int	sigpending __P((sigset_t *));
61 int	sigprocmask __P((int, const sigset_t *, sigset_t *));
62 int	sigsuspend __P((const sigset_t *));
63 int	sigwait __P((const sigset_t *, int *));
64 
65 
66 #ifdef _P1003_1B_VISIBLE
67 
68 __BEGIN_DECLS
69 int sigqueue __P((_BSD_PID_T_, int, const union sigval));
70 int sigtimedwait __P((const sigset_t *, siginfo_t *));
71 int sigwaitinfo __P((const sigset_t *, siginfo_t *));
72 __END_DECLS
73 
74 #endif
75 #ifndef _POSIX_SOURCE
76 int	killpg __P((_BSD_PID_T_, int));
77 int	sigaltstack __P((const struct sigaltstack *, struct sigaltstack *));
78 int	sigblock __P((int));
79 int	siginterrupt __P((int, int));
80 int	sigpause __P((int));
81 int	sigreturn __P((struct sigcontext *));
82 int	sigsetmask __P((int));
83 int	sigstack __P((const struct sigstack *, struct sigstack *));
84 int	sigvec __P((int, struct sigvec *, struct sigvec *));
85 void	psignal __P((unsigned int, const char *));
86 #endif /* !_POSIX_SOURCE */
87 #endif /* !_ANSI_SOURCE */
88 __END_DECLS
89 
90 #ifndef _ANSI_SOURCE
91 /* List definitions after function declarations, or Reiser cpp gets upset. */
92 #define	sigaddset(set, signo)	(*(set) |= 1 << ((signo) - 1), 0)
93 #define	sigdelset(set, signo)	(*(set) &= ~(1 << ((signo) - 1)), 0)
94 #define	sigemptyset(set)	(*(set) = 0, 0)
95 #define	sigfillset(set)		(*(set) = ~(sigset_t)0, 0)
96 #define	sigismember(set, signo)	((*(set) & (1 << ((signo) - 1))) != 0)
97 #endif /* !_ANSI_SOURCE */
98 
99 #endif /* !_SIGNAL_H_ */
100