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. 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.
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
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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
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29 * @(#)signal.h 8.3 (Berkeley) 3/30/94
36 #include <sys/cdefs.h>
37 #include <sys/_types.h>
38 #include <sys/signal.h>
42 * XXX should enlarge these, if only to give empty names instead of bounds
43 * errors for large signal numbers.
45 extern __const char *__const sys_signame[NSIG];
46 extern __const char *__const sys_siglist[NSIG];
47 extern __const int sys_nsig;
50 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
51 #ifndef _PID_T_DECLARED
52 typedef __pid_t pid_t;
53 #define _PID_T_DECLARED
57 #if __POSIX_VISIBLE || __XSI_VISIBLE
58 struct pthread; /* XXX */
59 typedef struct pthread *__pthread_t;
60 #if !defined(_PTHREAD_T_DECLARED) && __POSIX_VISIBLE >= 200809
61 typedef __pthread_t pthread_t;
62 #define _PTHREAD_T_DECLARED
64 #endif /* __POSIX_VISIBLE || __XSI_VISIBLE */
69 #if __POSIX_VISIBLE || __XSI_VISIBLE
70 int kill(__pid_t, int);
71 int pthread_kill(__pthread_t, int);
72 int pthread_sigmask(int, const __sigset_t * __restrict,
73 __sigset_t * __restrict);
74 int sigaction(int, const struct sigaction * __restrict,
75 struct sigaction * __restrict);
76 int sigaddset(sigset_t *, int);
77 int sigdelset(sigset_t *, int);
78 int sigemptyset(sigset_t *);
79 int sigfillset(sigset_t *);
80 int sigismember(const sigset_t *, int);
81 int sigpending(sigset_t *);
82 int sigprocmask(int, const sigset_t * __restrict, sigset_t * __restrict);
83 int sigsuspend(const sigset_t *);
84 int sigwait(const sigset_t * __restrict, int * __restrict);
87 #if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE >= 600
88 int sigqueue(__pid_t, int, const union sigval);
91 int sigtimedwait(const sigset_t * __restrict, siginfo_t * __restrict,
92 const struct timespec * __restrict);
93 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);
103 void (*sigset(int, void (*)(int)))(int);
104 int xsi_sigpause(int);
107 #if __XSI_VISIBLE >= 600
108 int siginterrupt(int, int);
111 #if __POSIX_VISIBLE >= 200809 || __BSD_VISIBLE
112 void psignal(unsigned int, const char *);
117 struct __ucontext; /* XXX spec requires a complete declaration. */
118 int sigreturn(const struct __ucontext *);
120 int sigstack(const struct sigstack *, struct sigstack *);
121 int sigvec(int, struct sigvec *, struct sigvec *);
125 #endif /* !_SIGNAL_H_ */