signal.h revision 1.23 1 1.23 thorpej /* $NetBSD: signal.h,v 1.23 2003/01/18 10:32:11 thorpej 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 1.23 thorpej int pthread_sigmask __P((int, const sigset_t *, sigset_t *));
67 1.23 thorpej
68 1.15 thorpej #ifdef __LIBC12_SOURCE__
69 1.13 mycroft int sigaction __P((int, const struct sigaction13 *, struct sigaction13 *));
70 1.13 mycroft int __sigaction14 __P((int, const struct sigaction *, struct sigaction *));
71 1.23 thorpej int __libc_sigaction14 __P((int, const struct sigaction *,
72 1.23 thorpej struct sigaction *));
73 1.13 mycroft int sigaddset __P((sigset13_t *, int));
74 1.13 mycroft int __sigaddset14 __P((sigset_t *, int));
75 1.13 mycroft int sigdelset __P((sigset13_t *, int));
76 1.13 mycroft int __sigdelset14 __P((sigset_t *, int));
77 1.13 mycroft int sigemptyset __P((sigset13_t *));
78 1.13 mycroft int __sigemptyset14 __P((sigset_t *));
79 1.13 mycroft int sigfillset __P((sigset13_t *));
80 1.13 mycroft int __sigfillset14 __P((sigset_t *));
81 1.13 mycroft int sigismember __P((const sigset13_t *, int));
82 1.13 mycroft int __sigismember14 __P((const sigset_t *, int));
83 1.13 mycroft int sigpending __P((sigset13_t *));
84 1.13 mycroft int __sigpending14 __P((sigset_t *));
85 1.13 mycroft int sigprocmask __P((int, const sigset13_t *, sigset13_t *));
86 1.13 mycroft int __sigprocmask14 __P((int, const sigset_t *, sigset_t *));
87 1.13 mycroft int sigsuspend __P((const sigset13_t *));
88 1.13 mycroft int __sigsuspend14 __P((const sigset_t *));
89 1.15 thorpej #else /* !__LIBC12_SOURCE__ */
90 1.13 mycroft int sigaction __P((int, const struct sigaction *, struct sigaction *)) __RENAME(__sigaction14);
91 1.13 mycroft int sigaddset __P((sigset_t *, int)) __RENAME(__sigaddset14);
92 1.13 mycroft int sigdelset __P((sigset_t *, int)) __RENAME(__sigdelset14);
93 1.13 mycroft int sigemptyset __P((sigset_t *)) __RENAME(__sigemptyset14);
94 1.13 mycroft int sigfillset __P((sigset_t *)) __RENAME(__sigfillset14);
95 1.13 mycroft int sigismember __P((const sigset_t *, int)) __RENAME(__sigismember14);
96 1.13 mycroft int sigpending __P((sigset_t *)) __RENAME(__sigpending14);
97 1.13 mycroft int sigprocmask __P((int, const sigset_t *, sigset_t *)) __RENAME(__sigprocmask14);
98 1.13 mycroft int sigsuspend __P((const sigset_t *)) __RENAME(__sigsuspend14);
99 1.4 jtc
100 1.4 jtc #if defined(__GNUC__) && defined(__STDC__)
101 1.21 christos #ifndef errno
102 1.21 christos int *__errno __P((void));
103 1.21 christos #define errno (*__errno())
104 1.21 christos #endif
105 1.14 mycroft extern __inline int
106 1.14 mycroft sigaddset(sigset_t *set, int signo)
107 1.14 mycroft {
108 1.6 jtc if (signo <= 0 || signo >= _NSIG) {
109 1.4 jtc errno = 22; /* EINVAL */
110 1.14 mycroft return (-1);
111 1.4 jtc }
112 1.13 mycroft __sigaddset(set, signo);
113 1.4 jtc return (0);
114 1.4 jtc }
115 1.4 jtc
116 1.14 mycroft extern __inline int
117 1.14 mycroft sigdelset(sigset_t *set, int signo)
118 1.14 mycroft {
119 1.6 jtc if (signo <= 0 || signo >= _NSIG) {
120 1.4 jtc errno = 22; /* EINVAL */
121 1.14 mycroft return (-1);
122 1.4 jtc }
123 1.13 mycroft __sigdelset(set, signo);
124 1.4 jtc return (0);
125 1.4 jtc }
126 1.4 jtc
127 1.14 mycroft extern __inline int
128 1.14 mycroft sigismember(const sigset_t *set, int signo)
129 1.14 mycroft {
130 1.6 jtc if (signo <= 0 || signo >= _NSIG) {
131 1.4 jtc errno = 22; /* EINVAL */
132 1.14 mycroft return (-1);
133 1.4 jtc }
134 1.13 mycroft return (__sigismember(set, signo));
135 1.4 jtc }
136 1.13 mycroft #endif /* __GNUC__ && __STDC__ */
137 1.4 jtc
138 1.4 jtc /* List definitions after function declarations, or Reiser cpp gets upset. */
139 1.20 christos #define sigemptyset(set) (__sigemptyset(set), /*LINTED*/0)
140 1.20 christos #define sigfillset(set) (__sigfillset(set), /*LINTED*/ 0)
141 1.15 thorpej #endif /* !__LIBC12_SOURCE__ */
142 1.5 jtc
143 1.22 kleink /*
144 1.22 kleink * X/Open CAE Specification Issue 5 Version 2
145 1.22 kleink */
146 1.12 kleink #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
147 1.12 kleink (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
148 1.12 kleink (_XOPEN_SOURCE - 0) >= 500
149 1.1 cgd int killpg __P((pid_t, int));
150 1.1 cgd int siginterrupt __P((int, int));
151 1.1 cgd int sigstack __P((const struct sigstack *, struct sigstack *));
152 1.11 kleink #ifdef __LIBC12_SOURCE__
153 1.11 kleink int sigaltstack __P((const struct sigaltstack13 *, struct sigaltstack13 *));
154 1.11 kleink int __sigaltstack14 __P((const stack_t *, stack_t *));
155 1.11 kleink #else
156 1.11 kleink int sigaltstack __P((const stack_t *, stack_t *)) __RENAME(__sigaltstack14);
157 1.11 kleink #endif
158 1.12 kleink #endif /* (!_POSIX_C_SOURCE && !_XOPEN_SOURCE) || ... */
159 1.22 kleink
160 1.22 kleink
161 1.22 kleink /*
162 1.22 kleink * X/Open CAE Specification Issue 5 Version 2; IEEE Std 1003.1-2001 (POSIX)
163 1.22 kleink */
164 1.22 kleink #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
165 1.22 kleink (_POSIX_C_SOURCE - 0) >= 200112L || \
166 1.22 kleink (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
167 1.22 kleink (_XOPEN_SOURCE - 0) >= 500
168 1.22 kleink int sighold __P((int));
169 1.22 kleink int sigignore __P((int));
170 1.22 kleink int sigpause __P((int));
171 1.22 kleink int sigrelse __P((int));
172 1.22 kleink void (*sigset __P((int, void (*)(int)))) __P((int));
173 1.22 kleink #endif /* (!_POSIX_C_SOURCE && !_XOPEN_SOURCE) || ... */
174 1.22 kleink
175 1.12 kleink
176 1.12 kleink #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
177 1.21 christos #ifndef __PSIGNAL_DECLARED
178 1.21 christos #define __PSIGNAL_DECLARED
179 1.21 christos /* also in unistd.h */
180 1.12 kleink void psignal __P((unsigned int, const char *));
181 1.21 christos #endif /* __PSIGNAL_DECLARED */
182 1.12 kleink int sigblock __P((int));
183 1.15 thorpej #ifdef __LIBC12_SOURCE__
184 1.13 mycroft int sigreturn __P((struct sigcontext13 *));
185 1.13 mycroft int __sigreturn14 __P((struct sigcontext *));
186 1.13 mycroft #else
187 1.13 mycroft int sigreturn __P((struct sigcontext *)) __RENAME(__sigreturn14);
188 1.13 mycroft #endif
189 1.12 kleink int sigsetmask __P((int));
190 1.12 kleink int sigvec __P((int, struct sigvec *, struct sigvec *));
191 1.12 kleink #endif /* !_POSIX_C_SOURCE && !_XOPEN_SOURCE */
192 1.12 kleink
193 1.1 cgd #endif /* !_ANSI_SOURCE */
194 1.1 cgd __END_DECLS
195 1.1 cgd
196 1.12 kleink #endif /* !_SIGNAL_H_ */
197