xref: /freebsd/include/signal.h (revision 3357acdd16d6ddbcd2bb5a0fe35f674e4070bdcb)
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  * $FreeBSD$
36  */
37 
38 #ifndef _SIGNAL_H_
39 #define	_SIGNAL_H_
40 
41 #include <sys/cdefs.h>
42 #include <sys/_types.h>
43 #include <sys/signal.h>
44 
45 #if __BSD_VISIBLE
46 extern __const char *__const sys_signame[NSIG];
47 extern __const char *__const sys_siglist[NSIG];
48 extern __const int sys_nsig;
49 #endif
50 
51 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
52 #ifndef _PID_T_DECLARED
53 typedef	__pid_t		pid_t;
54 #define	_PID_T_DECLARED
55 #endif
56 #endif
57 
58 __BEGIN_DECLS
59 struct timespec;
60 
61 int	raise(int);
62 
63 #if __POSIX_VISIBLE || __XSI_VISIBLE
64 int	kill(__pid_t, int);
65 int	sigaction(int, const struct sigaction * __restrict,
66 	    struct sigaction * __restrict);
67 int	sigaddset(sigset_t *, int);
68 int	sigdelset(sigset_t *, int);
69 int	sigemptyset(sigset_t *);
70 int	sigfillset(sigset_t *);
71 int	sigismember(const sigset_t *, int);
72 int	sigpending(sigset_t *);
73 int	sigprocmask(int, const sigset_t * __restrict, sigset_t * __restrict);
74 int	sigsuspend(const sigset_t *);
75 int	sigwait(const sigset_t * __restrict, int * __restrict);
76 #endif
77 
78 #if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE >= 600
79 int	sigqueue(__pid_t, int, const union sigval);
80 int	sigtimedwait(const sigset_t * __restrict, siginfo_t * __restrict,
81 	    const struct timespec * __restrict);
82 int	sigwaitinfo(const sigset_t * __restrict, siginfo_t * __restrict);
83 #endif
84 
85 #if __XSI_VISIBLE
86 int	killpg(__pid_t, int);
87 int	sigaltstack(const stack_t * __restrict, stack_t * __restrict);
88 int	sigpause(int);
89 #endif
90 
91 #if __POSIX_VISIBLE >= 200112
92 int	siginterrupt(int, int);
93 #endif
94 
95 #if __BSD_VISIBLE
96 int	sigblock(int);
97 int	sigreturn(const struct __ucontext *);
98 int	sigsetmask(int);
99 int	sigstack(const struct sigstack *, struct sigstack *);
100 int	sigvec(int, struct sigvec *, struct sigvec *);
101 void	psignal(unsigned int, const char *);
102 #endif
103 __END_DECLS
104 
105 #endif /* !_SIGNAL_H_ */
106