2 * Copyright (c) 1991, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
33 * @(#)signal.h 8.3 (Berkeley) 3/30/94
41 #include <sys/cdefs.h>
42 #include <sys/_types.h>
43 #include <sys/signal.h>
47 * XXX should enlarge these, if only to give empty names instead of bounds
48 * errors for large signal numbers.
50 extern __const char *__const sys_signame[NSIG];
51 extern __const char *__const sys_siglist[NSIG];
52 extern __const int sys_nsig;
55 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
56 #ifndef _PID_T_DECLARED
57 typedef __pid_t pid_t;
58 #define _PID_T_DECLARED
65 #if __POSIX_VISIBLE || __XSI_VISIBLE
66 int kill(__pid_t, int);
67 int sigaction(int, const struct sigaction * __restrict,
68 struct sigaction * __restrict);
69 int sigaddset(sigset_t *, int);
70 int sigdelset(sigset_t *, int);
71 int sigemptyset(sigset_t *);
72 int sigfillset(sigset_t *);
73 int sigismember(const sigset_t *, int);
74 int sigpending(sigset_t *);
75 int sigprocmask(int, const sigset_t * __restrict, sigset_t * __restrict);
76 int sigsuspend(const sigset_t *);
77 int sigwait(const sigset_t * __restrict, int * __restrict);
80 #if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE >= 600
84 * XXX we don't actually have these. We set _POSIX_REALTIME_SIGNALS to
85 * -1 to show that we don't have them, but this symbol is not necessarily
86 * in scope (in the current implementation), so we can't use it here.
88 int sigqueue(__pid_t, int, const union sigval);
90 int sigtimedwait(const sigset_t * __restrict, siginfo_t * __restrict,
91 const struct timespec * __restrict);
92 int sigwaitinfo(const sigset_t * __restrict, siginfo_t * __restrict);
97 int killpg(__pid_t, int);
98 int sigaltstack(const stack_t * __restrict, stack_t * __restrict);
102 #if __POSIX_VISIBLE >= 200112
103 int siginterrupt(int, int);
108 struct __ucontext; /* XXX spec requires a complete declaration. */
109 int sigreturn(const struct __ucontext *);
111 int sigstack(const struct sigstack *, struct sigstack *);
112 int sigvec(int, struct sigvec *, struct sigvec *);
113 void psignal(unsigned int, const char *);
117 #endif /* !_SIGNAL_H_ */