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 <_types.h>
63#include <sys/signal.h>
64#include <sys/_types/_pthread_t.h>
65
66#if !defined(_ANSI_SOURCE) && (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
67extern __const char *__const sys_signame[NSIG];
68extern __const char *__const sys_siglist[NSIG];
69#endif
70
71__BEGIN_DECLS
72int	raise(int);
73__END_DECLS
74
75#ifndef	_ANSI_SOURCE
76__BEGIN_DECLS
77void	(*bsd_signal(int, void (*)(int)))(int);
78//Begin-Libc
79#ifndef LIBC_ALIAS_KILL
80//End-Libc
81int	kill(pid_t, int) __DARWIN_ALIAS(kill);
82//Begin-Libc
83#else /* LIBC_ALIAS_KILL */
84int	kill(pid_t, int) LIBC_ALIAS(kill);
85#endif /* !LIBC_ALIAS_KILL */
86//End-Libc
87//Begin-Libc
88#ifndef LIBC_ALIAS_KILLPG
89//End-Libc
90int	killpg(pid_t, int) __DARWIN_ALIAS(killpg);
91//Begin-Libc
92#else /* LIBC_ALIAS_KILLPG */
93int	killpg(pid_t, int) LIBC_ALIAS(killpg);
94#endif /* !LIBC_ALIAS_KILLPG */
95//End-Libc
96int	pthread_kill(pthread_t, int);
97//Begin-Libc
98#ifndef LIBC_ALIAS_PTHREAD_SIGMASK
99//End-Libc
100int	pthread_sigmask(int, const sigset_t *, sigset_t *) __DARWIN_ALIAS(pthread_sigmask);
101//Begin-Libc
102#else /* LIBC_ALIAS_PTHREAD_SIGMASK */
103int	pthread_sigmask(int, const sigset_t *, sigset_t *) LIBC_ALIAS(pthread_sigmask);
104#endif /* !LIBC_ALIAS_PTHREAD_SIGMASK */
105//End-Libc
106int	sigaction(int, const struct sigaction * __restrict,
107	    struct sigaction * __restrict);
108int	sigaddset(sigset_t *, int);
109//Begin-Libc
110#ifndef LIBC_ALIAS_SIGALTSTACK
111//End-Libc
112int	sigaltstack(const stack_t * __restrict, stack_t * __restrict)  __DARWIN_ALIAS(sigaltstack);
113//Begin-Libc
114#else /* LIBC_ALIAS_SIGALTSTACK */
115int	sigaltstack(const stack_t * __restrict, stack_t * __restrict)  LIBC_ALIAS(sigaltstack);
116#endif /* !LIBC_ALIAS_SIGALTSTACK */
117//End-Libc
118int	sigdelset(sigset_t *, int);
119int	sigemptyset(sigset_t *);
120int	sigfillset(sigset_t *);
121int	sighold(int);
122int	sigignore(int);
123int	siginterrupt(int, int);
124int	sigismember(const sigset_t *, int);
125//Begin-Libc
126#ifndef LIBC_ALIAS_SIGPAUSE
127//End-Libc
128int	sigpause(int) __DARWIN_ALIAS_C(sigpause);
129//Begin-Libc
130#else /* LIBC_ALIAS_SIGPAUSE */
131int	sigpause(int) LIBC_ALIAS_C(sigpause);
132#endif /* !LIBC_ALIAS_SIGPAUSE */
133//End-Libc
134int	sigpending(sigset_t *);
135int	sigprocmask(int, const sigset_t * __restrict, sigset_t * __restrict);
136int	sigrelse(int);
137void    (*sigset(int, void (*)(int)))(int);
138//Begin-Libc
139#ifndef LIBC_ALIAS_SIGSUSPEND
140//End-Libc
141int	sigsuspend(const sigset_t *) __DARWIN_ALIAS_C(sigsuspend);
142//Begin-Libc
143#else /* LIBC_ALIAS_SIGSUSPEND */
144int	sigsuspend(const sigset_t *) LIBC_ALIAS_C(sigsuspend);
145#endif /* !LIBC_ALIAS_SIGSUSPEND */
146//End-Libc
147//Begin-Libc
148#ifndef LIBC_ALIAS_SIGWAIT
149//End-Libc
150int	sigwait(const sigset_t * __restrict, int * __restrict) __DARWIN_ALIAS_C(sigwait);
151//Begin-Libc
152#else /* LIBC_ALIAS_SIGWAIT */
153int	sigwait(const sigset_t * __restrict, int * __restrict) LIBC_ALIAS_C(sigwait);
154#endif /* !LIBC_ALIAS_SIGWAIT */
155//End-Libc
156#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
157void	psignal(unsigned int, const char *);
158int	sigblock(int);
159int	sigsetmask(int);
160int	sigvec(int, struct sigvec *, struct sigvec *);
161#endif	/* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
162__END_DECLS
163
164/* List definitions after function declarations, or Reiser cpp gets upset. */
165#if defined(__i386__) || defined(__x86_64__)
166/* The left shift operator on intel is modulo 32 */
167__header_always_inline int
168__sigbits(int __signo)
169{
170    return __signo > __DARWIN_NSIG ? 0 : (1 << (__signo - 1));
171}
172#else /* !__i386__ && !__x86_64__ */
173#define __sigbits(signo)	(1 << ((signo) - 1))
174#endif /* __i386__ || __x86_64__ */
175
176#define	sigaddset(set, signo)	(*(set) |= __sigbits(signo), 0)
177#define	sigdelset(set, signo)	(*(set) &= ~__sigbits(signo), 0)
178#define	sigismember(set, signo)	((*(set) & __sigbits(signo)) != 0)
179#define	sigemptyset(set)	(*(set) = 0, 0)
180#define	sigfillset(set)		(*(set) = ~(sigset_t)0, 0)
181#endif	/* !_ANSI_SOURCE */
182
183#endif	/* !_USER_SIGNAL_H */
184