signal.h revision 1.14 1 /* $NetBSD: signal.h,v 1.14 1998/09/12 11:10:43 mycroft Exp $ */
2
3 /*-
4 * Copyright (c) 1991, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by the University of
18 * California, Berkeley and its contributors.
19 * 4. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 * @(#)signal.h 8.3 (Berkeley) 3/30/94
36 */
37
38 #ifndef _SIGNAL_H_
39 #define _SIGNAL_H_
40
41 #include <sys/cdefs.h>
42 #include <sys/featuretest.h>
43
44 #if !defined(_ANSI_SOURCE)
45 #include <sys/types.h>
46 #endif
47
48 #include <sys/signal.h>
49
50 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \
51 !defined(_XOPEN_SOURCE)
52 extern __const char *__const sys_signame[_NSIG];
53 extern __const char *__const sys_siglist[_NSIG];
54 #endif
55
56 __BEGIN_DECLS
57 int raise __P((int));
58 #ifndef _ANSI_SOURCE
59 int kill __P((pid_t, int));
60
61 #ifdef __LIBC13_SOURCE__
62 int sigaction __P((int, const struct sigaction13 *, struct sigaction13 *));
63 int __sigaction14 __P((int, const struct sigaction *, struct sigaction *));
64 int sigaddset __P((sigset13_t *, int));
65 int __sigaddset14 __P((sigset_t *, int));
66 int sigdelset __P((sigset13_t *, int));
67 int __sigdelset14 __P((sigset_t *, int));
68 int sigemptyset __P((sigset13_t *));
69 int __sigemptyset14 __P((sigset_t *));
70 int sigfillset __P((sigset13_t *));
71 int __sigfillset14 __P((sigset_t *));
72 int sigismember __P((const sigset13_t *, int));
73 int __sigismember14 __P((const sigset_t *, int));
74 int sigpending __P((sigset13_t *));
75 int __sigpending14 __P((sigset_t *));
76 int sigprocmask __P((int, const sigset13_t *, sigset13_t *));
77 int __sigprocmask14 __P((int, const sigset_t *, sigset_t *));
78 int sigsuspend __P((const sigset13_t *));
79 int __sigsuspend14 __P((const sigset_t *));
80 #else /* !__LIBC13_SOURCE__ */
81 int sigaction __P((int, const struct sigaction *, struct sigaction *)) __RENAME(__sigaction14);
82 int sigaddset __P((sigset_t *, int)) __RENAME(__sigaddset14);
83 int sigdelset __P((sigset_t *, int)) __RENAME(__sigdelset14);
84 int sigemptyset __P((sigset_t *)) __RENAME(__sigemptyset14);
85 int sigfillset __P((sigset_t *)) __RENAME(__sigfillset14);
86 int sigismember __P((const sigset_t *, int)) __RENAME(__sigismember14);
87 int sigpending __P((sigset_t *)) __RENAME(__sigpending14);
88 int sigprocmask __P((int, const sigset_t *, sigset_t *)) __RENAME(__sigprocmask14);
89 int sigsuspend __P((const sigset_t *)) __RENAME(__sigsuspend14);
90
91 #if defined(__GNUC__) && defined(__STDC__)
92 extern __inline int
93 sigaddset(sigset_t *set, int signo)
94 {
95 extern int errno;
96
97 if (signo <= 0 || signo >= _NSIG) {
98 errno = 22; /* EINVAL */
99 return (-1);
100 }
101 __sigaddset(set, signo);
102 return (0);
103 }
104
105 extern __inline int
106 sigdelset(sigset_t *set, int signo)
107 {
108 extern int errno;
109
110 if (signo <= 0 || signo >= _NSIG) {
111 errno = 22; /* EINVAL */
112 return (-1);
113 }
114 __sigdelset(set, signo);
115 return (0);
116 }
117
118 extern __inline int
119 sigismember(const sigset_t *set, int signo)
120 {
121 extern int errno;
122
123 if (signo <= 0 || signo >= _NSIG) {
124 errno = 22; /* EINVAL */
125 return (-1);
126 }
127 return (__sigismember(set, signo));
128 }
129 #endif /* __GNUC__ && __STDC__ */
130
131 /* List definitions after function declarations, or Reiser cpp gets upset. */
132 #define sigemptyset(set) (__sigemptyset(set), 0)
133 #define sigfillset(set) (__sigfillset(set), 0)
134 #endif /* !__LIBC13_SOURCE__ */
135
136 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
137 (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
138 (_XOPEN_SOURCE - 0) >= 500
139 int killpg __P((pid_t, int));
140 int siginterrupt __P((int, int));
141 int sigpause __P((int));
142 int sigstack __P((const struct sigstack *, struct sigstack *));
143 #ifdef __LIBC12_SOURCE__
144 int sigaltstack __P((const struct sigaltstack13 *, struct sigaltstack13 *));
145 int __sigaltstack14 __P((const stack_t *, stack_t *));
146 #else
147 int sigaltstack __P((const stack_t *, stack_t *)) __RENAME(__sigaltstack14);
148 #endif
149 #endif /* (!_POSIX_C_SOURCE && !_XOPEN_SOURCE) || ... */
150
151 #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
152 void psignal __P((unsigned int, const char *));
153 int sigblock __P((int));
154 #ifdef __LIBC13_SOURCE__
155 int sigreturn __P((struct sigcontext13 *));
156 int __sigreturn14 __P((struct sigcontext *));
157 #else
158 int sigreturn __P((struct sigcontext *)) __RENAME(__sigreturn14);
159 #endif
160 int sigsetmask __P((int));
161 int sigvec __P((int, struct sigvec *, struct sigvec *));
162 #endif /* !_POSIX_C_SOURCE && !_XOPEN_SOURCE */
163
164 #endif /* !_ANSI_SOURCE */
165 __END_DECLS
166
167 #endif /* !_SIGNAL_H_ */
168