1/*
2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23/*-
24 * Copyright (c) 1991, 1993
25 * The Regents of the University of California. All rights reserved.
26 *
27 * Redistribution and use in source and binary forms, with or without
28 * modification, are permitted provided that the following conditions
29 * are met:
30 * 1. Redistributions of source code must retain the above copyright
31 * notice, this list of conditions and the following disclaimer.
32 * 2. Redistributions in binary form must reproduce the above copyright
33 * notice, this list of conditions and the following disclaimer in the
34 * documentation and/or other materials provided with the distribution.
35 * 3. All advertising materials mentioning features or use of this software
36 * must display the following acknowledgement:
37 * This product includes software developed by the University of
38 * California, Berkeley and its contributors.
39 * 4. Neither the name of the University nor the names of its contributors
40 * may be used to endorse or promote products derived from this software
41 * without specific prior written permission.
42 *
43 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
44 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
45 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
46 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
47 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
48 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
49 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
50 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
51 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
52 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * SUCH DAMAGE.
54 *
55 * @(#)signal.h 8.3 (Berkeley) 3/30/94
56 */
57
58#ifndef _USER_SIGNAL_H
59#define _USER_SIGNAL_H
60
61#include <sys/cdefs.h>
62#include <_bounds.h>
63#include <_types.h>
64#include <sys/signal.h>
65
66#include <sys/_pthread/_pthread_types.h>
67#include <sys/_pthread/_pthread_t.h>
68
69_LIBC_SINGLE_BY_DEFAULT()
70
71#if !defined(_ANSI_SOURCE) && (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
72extern __const char *__const sys_signame[NSIG];
73extern __const char *__const sys_siglist[NSIG];
74#endif
75
76__BEGIN_DECLS
77int raise(int);
78__END_DECLS
79
80#ifndef _ANSI_SOURCE
81__BEGIN_DECLS
82void (* _Nullable bsd_signal(int, void (* _Nullable)(int)))(int);
83int kill(pid_t, int) __DARWIN_ALIAS(kill);
84int killpg(pid_t, int) __DARWIN_ALIAS(killpg);
85int pthread_kill(pthread_t, int);
86int pthread_sigmask(int, const sigset_t *, sigset_t *) __DARWIN_ALIAS(pthread_sigmask);
87int sigaction(int, const struct sigaction * __restrict,
88 struct sigaction * __restrict);
89int sigaddset(sigset_t *, int);
90int sigaltstack(const stack_t * __restrict, stack_t * __restrict) __DARWIN_ALIAS(sigaltstack) __WATCHOS_PROHIBITED __TVOS_PROHIBITED;
91int sigdelset(sigset_t *, int);
92int sigemptyset(sigset_t *);
93int sigfillset(sigset_t *);
94int sighold(int);
95int sigignore(int);
96int siginterrupt(int, int);
97int sigismember(const sigset_t *, int);
98int sigpause(int) __DARWIN_ALIAS_C(sigpause);
99int sigpending(sigset_t *);
100int sigprocmask(int, const sigset_t * __restrict, sigset_t * __restrict);
101int sigrelse(int);
102void (* _Nullable sigset(int, void (* _Nullable)(int)))(int);
103int sigsuspend(const sigset_t *) __DARWIN_ALIAS_C(sigsuspend);
104int sigwait(const sigset_t * __restrict, int * __restrict) __DARWIN_ALIAS_C(sigwait);
105#if !defined(_POSIX_C_SOURCE) || _POSIX_C_SOURCE >= 200809L || defined(_DARWIN_C_SOURCE)
106void psignal(int, const char *);
107#endif /* (!_POSIX_C_SOURCE || _POSIX_C_SOURCE >= 200809L || _DARWIN_C_SOURCE) */
108#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
109int sigblock(int);
110int sigsetmask(int);
111int sigvec(int, struct sigvec *, struct sigvec *);
112#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
113__END_DECLS
114
115/* List definitions after function declarations, or Reiser cpp gets upset. */
116__header_always_inline unsigned int
117__sigbits(int __signo)
118{
119
120 if (__signo == 0 || __signo > __DARWIN_NSIG)
121 return (0);
122 return (1U << (__signo - 1));
123}
124
125#define sigaddset(set, signo) (*(set) |= __sigbits(signo), 0)
126#define sigdelset(set, signo) (*(set) &= ~__sigbits(signo), 0)
127#define sigismember(set, signo) ((*(set) & __sigbits(signo)) != 0)
128#define sigemptyset(set) (*(set) = 0, 0)
129#define sigfillset(set) (*(set) = ~(sigset_t)0, 0)
130#endif /* !_ANSI_SOURCE */
131
132#endif /* !_USER_SIGNAL_H */