signal.h revision 1.21 1 1.21 christos /* $NetBSD: signal.h,v 1.21 2000/12/18 21:21:26 christos Exp $ */
2 1.3 cgd
3 1.1 cgd /*-
4 1.1 cgd * Copyright (c) 1991, 1993
5 1.1 cgd * The Regents of the University of California. All rights reserved.
6 1.1 cgd *
7 1.1 cgd * Redistribution and use in source and binary forms, with or without
8 1.1 cgd * modification, are permitted provided that the following conditions
9 1.1 cgd * are met:
10 1.1 cgd * 1. Redistributions of source code must retain the above copyright
11 1.1 cgd * notice, this list of conditions and the following disclaimer.
12 1.1 cgd * 2. Redistributions in binary form must reproduce the above copyright
13 1.1 cgd * notice, this list of conditions and the following disclaimer in the
14 1.1 cgd * documentation and/or other materials provided with the distribution.
15 1.1 cgd * 3. All advertising materials mentioning features or use of this software
16 1.1 cgd * must display the following acknowledgement:
17 1.1 cgd * This product includes software developed by the University of
18 1.1 cgd * California, Berkeley and its contributors.
19 1.1 cgd * 4. Neither the name of the University nor the names of its contributors
20 1.1 cgd * may be used to endorse or promote products derived from this software
21 1.1 cgd * without specific prior written permission.
22 1.1 cgd *
23 1.1 cgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 1.1 cgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 1.1 cgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 1.1 cgd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 1.1 cgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 1.1 cgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 1.1 cgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 1.1 cgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 1.1 cgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 1.1 cgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 1.1 cgd * SUCH DAMAGE.
34 1.1 cgd *
35 1.1 cgd * @(#)signal.h 8.3 (Berkeley) 3/30/94
36 1.1 cgd */
37 1.1 cgd
38 1.12 kleink #ifndef _SIGNAL_H_
39 1.12 kleink #define _SIGNAL_H_
40 1.1 cgd
41 1.1 cgd #include <sys/cdefs.h>
42 1.12 kleink #include <sys/featuretest.h>
43 1.1 cgd
44 1.5 jtc #if !defined(_ANSI_SOURCE)
45 1.5 jtc #include <sys/types.h>
46 1.5 jtc #endif
47 1.9 kleink
48 1.9 kleink #include <sys/signal.h>
49 1.5 jtc
50 1.12 kleink #if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \
51 1.12 kleink !defined(_XOPEN_SOURCE)
52 1.19 thorpej extern __const char *__const *sys_signame __RENAME(__sys_signame14);
53 1.21 christos #ifndef __SYS_SIGLIST_DECLARED
54 1.21 christos #define __SYS_SIGLIST_DECLARED
55 1.21 christos /* also in unistd.h */
56 1.19 thorpej extern __const char *__const *sys_siglist __RENAME(__sys_siglist14);
57 1.21 christos #endif /* __SYS_SIGLIST_DECLARED */
58 1.19 thorpej extern __const int sys_nsig __RENAME(__sys_nsig14);
59 1.1 cgd #endif
60 1.1 cgd
61 1.1 cgd __BEGIN_DECLS
62 1.1 cgd int raise __P((int));
63 1.1 cgd #ifndef _ANSI_SOURCE
64 1.1 cgd int kill __P((pid_t, int));
65 1.13 mycroft
66 1.15 thorpej #ifdef __LIBC12_SOURCE__
67 1.13 mycroft int sigaction __P((int, const struct sigaction13 *, struct sigaction13 *));
68 1.13 mycroft int __sigaction14 __P((int, const struct sigaction *, struct sigaction *));
69 1.13 mycroft int sigaddset __P((sigset13_t *, int));
70 1.13 mycroft int __sigaddset14 __P((sigset_t *, int));
71 1.13 mycroft int sigdelset __P((sigset13_t *, int));
72 1.13 mycroft int __sigdelset14 __P((sigset_t *, int));
73 1.13 mycroft int sigemptyset __P((sigset13_t *));
74 1.13 mycroft int __sigemptyset14 __P((sigset_t *));
75 1.13 mycroft int sigfillset __P((sigset13_t *));
76 1.13 mycroft int __sigfillset14 __P((sigset_t *));
77 1.13 mycroft int sigismember __P((const sigset13_t *, int));
78 1.13 mycroft int __sigismember14 __P((const sigset_t *, int));
79 1.13 mycroft int sigpending __P((sigset13_t *));
80 1.13 mycroft int __sigpending14 __P((sigset_t *));
81 1.13 mycroft int sigprocmask __P((int, const sigset13_t *, sigset13_t *));
82 1.13 mycroft int __sigprocmask14 __P((int, const sigset_t *, sigset_t *));
83 1.13 mycroft int sigsuspend __P((const sigset13_t *));
84 1.13 mycroft int __sigsuspend14 __P((const sigset_t *));
85 1.15 thorpej #else /* !__LIBC12_SOURCE__ */
86 1.13 mycroft int sigaction __P((int, const struct sigaction *, struct sigaction *)) __RENAME(__sigaction14);
87 1.13 mycroft int sigaddset __P((sigset_t *, int)) __RENAME(__sigaddset14);
88 1.13 mycroft int sigdelset __P((sigset_t *, int)) __RENAME(__sigdelset14);
89 1.13 mycroft int sigemptyset __P((sigset_t *)) __RENAME(__sigemptyset14);
90 1.13 mycroft int sigfillset __P((sigset_t *)) __RENAME(__sigfillset14);
91 1.13 mycroft int sigismember __P((const sigset_t *, int)) __RENAME(__sigismember14);
92 1.13 mycroft int sigpending __P((sigset_t *)) __RENAME(__sigpending14);
93 1.13 mycroft int sigprocmask __P((int, const sigset_t *, sigset_t *)) __RENAME(__sigprocmask14);
94 1.13 mycroft int sigsuspend __P((const sigset_t *)) __RENAME(__sigsuspend14);
95 1.4 jtc
96 1.4 jtc #if defined(__GNUC__) && defined(__STDC__)
97 1.21 christos #ifndef errno
98 1.21 christos int *__errno __P((void));
99 1.21 christos #define errno (*__errno())
100 1.21 christos #endif
101 1.14 mycroft extern __inline int
102 1.14 mycroft sigaddset(sigset_t *set, int signo)
103 1.14 mycroft {
104 1.6 jtc if (signo <= 0 || signo >= _NSIG) {
105 1.4 jtc errno = 22; /* EINVAL */
106 1.14 mycroft return (-1);
107 1.4 jtc }
108 1.13 mycroft __sigaddset(set, signo);
109 1.4 jtc return (0);
110 1.4 jtc }
111 1.4 jtc
112 1.14 mycroft extern __inline int
113 1.14 mycroft sigdelset(sigset_t *set, int signo)
114 1.14 mycroft {
115 1.6 jtc if (signo <= 0 || signo >= _NSIG) {
116 1.4 jtc errno = 22; /* EINVAL */
117 1.14 mycroft return (-1);
118 1.4 jtc }
119 1.13 mycroft __sigdelset(set, signo);
120 1.4 jtc return (0);
121 1.4 jtc }
122 1.4 jtc
123 1.14 mycroft extern __inline int
124 1.14 mycroft sigismember(const sigset_t *set, int signo)
125 1.14 mycroft {
126 1.6 jtc if (signo <= 0 || signo >= _NSIG) {
127 1.4 jtc errno = 22; /* EINVAL */
128 1.14 mycroft return (-1);
129 1.4 jtc }
130 1.13 mycroft return (__sigismember(set, signo));
131 1.4 jtc }
132 1.13 mycroft #endif /* __GNUC__ && __STDC__ */
133 1.4 jtc
134 1.4 jtc /* List definitions after function declarations, or Reiser cpp gets upset. */
135 1.20 christos #define sigemptyset(set) (__sigemptyset(set), /*LINTED*/0)
136 1.20 christos #define sigfillset(set) (__sigfillset(set), /*LINTED*/ 0)
137 1.15 thorpej #endif /* !__LIBC12_SOURCE__ */
138 1.5 jtc
139 1.12 kleink #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
140 1.12 kleink (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
141 1.12 kleink (_XOPEN_SOURCE - 0) >= 500
142 1.1 cgd int killpg __P((pid_t, int));
143 1.1 cgd int siginterrupt __P((int, int));
144 1.1 cgd int sigpause __P((int));
145 1.1 cgd int sigstack __P((const struct sigstack *, struct sigstack *));
146 1.11 kleink #ifdef __LIBC12_SOURCE__
147 1.11 kleink int sigaltstack __P((const struct sigaltstack13 *, struct sigaltstack13 *));
148 1.11 kleink int __sigaltstack14 __P((const stack_t *, stack_t *));
149 1.11 kleink #else
150 1.11 kleink int sigaltstack __P((const stack_t *, stack_t *)) __RENAME(__sigaltstack14);
151 1.11 kleink #endif
152 1.12 kleink #endif /* (!_POSIX_C_SOURCE && !_XOPEN_SOURCE) || ... */
153 1.12 kleink
154 1.12 kleink #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
155 1.21 christos #ifndef __PSIGNAL_DECLARED
156 1.21 christos #define __PSIGNAL_DECLARED
157 1.21 christos /* also in unistd.h */
158 1.12 kleink void psignal __P((unsigned int, const char *));
159 1.21 christos #endif /* __PSIGNAL_DECLARED */
160 1.12 kleink int sigblock __P((int));
161 1.15 thorpej #ifdef __LIBC12_SOURCE__
162 1.13 mycroft int sigreturn __P((struct sigcontext13 *));
163 1.13 mycroft int __sigreturn14 __P((struct sigcontext *));
164 1.13 mycroft #else
165 1.13 mycroft int sigreturn __P((struct sigcontext *)) __RENAME(__sigreturn14);
166 1.13 mycroft #endif
167 1.12 kleink int sigsetmask __P((int));
168 1.12 kleink int sigvec __P((int, struct sigvec *, struct sigvec *));
169 1.12 kleink #endif /* !_POSIX_C_SOURCE && !_XOPEN_SOURCE */
170 1.12 kleink
171 1.1 cgd #endif /* !_ANSI_SOURCE */
172 1.1 cgd __END_DECLS
173 1.1 cgd
174 1.12 kleink #endif /* !_SIGNAL_H_ */
175