signal.h revision 1.32
1 /* $NetBSD: signal.h,v 1.32 2003/07/18 17:54:35 nathanw 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(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \ 45 defined(_NETBSD_SOURCE) 46 #include <sys/types.h> 47 #endif 48 49 #include <sys/signal.h> 50 51 #if defined(_NETBSD_SOURCE) 52 extern __const char *__const *sys_signame __RENAME(__sys_signame14); 53 #ifndef __SYS_SIGLIST_DECLARED 54 #define __SYS_SIGLIST_DECLARED 55 /* also in unistd.h */ 56 extern __const char *__const *sys_siglist __RENAME(__sys_siglist14); 57 #endif /* __SYS_SIGLIST_DECLARED */ 58 extern __const int sys_nsig __RENAME(__sys_nsig14); 59 #endif 60 61 __BEGIN_DECLS 62 int raise __P((int)); 63 #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \ 64 defined(_NETBSD_SOURCE) 65 int kill __P((pid_t, int)); 66 67 #if (_POSIX_C_SOURCE - 0L) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \ 68 defined(_NETBSD_SOURCE) 69 int pthread_sigmask __P((int, const sigset_t *, sigset_t *)); 70 int pthread_kill __P((pthread_t, int)); 71 #endif 72 73 #ifdef __LIBC12_SOURCE__ 74 int sigaction __P((int, const struct sigaction13 *, struct sigaction13 *)); 75 int __sigaction14 __P((int, const struct sigaction *, struct sigaction *)); 76 int __libc_sigaction14 __P((int, const struct sigaction *, 77 struct sigaction *)); 78 int sigaddset __P((sigset13_t *, int)); 79 int __sigaddset14 __P((sigset_t *, int)); 80 int sigdelset __P((sigset13_t *, int)); 81 int __sigdelset14 __P((sigset_t *, int)); 82 int sigemptyset __P((sigset13_t *)); 83 int __sigemptyset14 __P((sigset_t *)); 84 int sigfillset __P((sigset13_t *)); 85 int __sigfillset14 __P((sigset_t *)); 86 int sigismember __P((const sigset13_t *, int)); 87 int __sigismember14 __P((const sigset_t *, int)); 88 int sigpending __P((sigset13_t *)); 89 int __sigpending14 __P((sigset_t *)); 90 int sigprocmask __P((int, const sigset13_t *, sigset13_t *)); 91 int __sigprocmask14 __P((int, const sigset_t *, sigset_t *)); 92 int sigsuspend __P((const sigset13_t *)); 93 int __sigsuspend14 __P((const sigset_t *)); 94 #else /* !__LIBC12_SOURCE__ */ 95 int sigaction __P((int, const struct sigaction *, struct sigaction *)) __RENAME(__sigaction14); 96 int sigaddset __P((sigset_t *, int)) __RENAME(__sigaddset14); 97 int sigdelset __P((sigset_t *, int)) __RENAME(__sigdelset14); 98 int sigemptyset __P((sigset_t *)) __RENAME(__sigemptyset14); 99 int sigfillset __P((sigset_t *)) __RENAME(__sigfillset14); 100 int sigismember __P((const sigset_t *, int)) __RENAME(__sigismember14); 101 int sigpending __P((sigset_t *)) __RENAME(__sigpending14); 102 int sigprocmask __P((int, const sigset_t *, sigset_t *)) __RENAME(__sigprocmask14); 103 int sigsuspend __P((const sigset_t *)) __RENAME(__sigsuspend14); 104 105 #if defined(__GNUC__) && defined(__STDC__) 106 #ifndef errno 107 int *__errno __P((void)); 108 #define errno (*__errno()) 109 #endif 110 extern __inline int 111 sigaddset(sigset_t *set, int signo) 112 { 113 if (signo <= 0 || signo >= _NSIG) { 114 errno = 22; /* EINVAL */ 115 return (-1); 116 } 117 __sigaddset(set, signo); 118 return (0); 119 } 120 121 extern __inline int 122 sigdelset(sigset_t *set, int signo) 123 { 124 if (signo <= 0 || signo >= _NSIG) { 125 errno = 22; /* EINVAL */ 126 return (-1); 127 } 128 __sigdelset(set, signo); 129 return (0); 130 } 131 132 extern __inline int 133 sigismember(const sigset_t *set, int signo) 134 { 135 if (signo <= 0 || signo >= _NSIG) { 136 errno = 22; /* EINVAL */ 137 return (-1); 138 } 139 return (__sigismember(set, signo)); 140 } 141 #endif /* __GNUC__ && __STDC__ */ 142 143 /* List definitions after function declarations, or Reiser cpp gets upset. */ 144 #define sigemptyset(set) (__sigemptyset(set), /*LINTED*/0) 145 #define sigfillset(set) (__sigfillset(set), /*LINTED*/ 0) 146 #endif /* !__LIBC12_SOURCE__ */ 147 148 /* 149 * X/Open CAE Specification Issue 5 Version 2 150 */ 151 #if (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ 152 (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE) 153 int killpg __P((pid_t, int)); 154 int siginterrupt __P((int, int)); 155 int sigstack __P((const struct sigstack *, struct sigstack *)); 156 #ifdef __LIBC12_SOURCE__ 157 int sigaltstack __P((const struct sigaltstack13 *, struct sigaltstack13 *)); 158 int __sigaltstack14 __P((const stack_t *, stack_t *)); 159 #else 160 int sigaltstack __P((const stack_t *, stack_t *)) __RENAME(__sigaltstack14); 161 #endif 162 #endif /* _XOPEN_SOURCE_EXTENDED || _XOPEN_SOURCE >= 500 || _NETBSD_SOURCE */ 163 164 165 /* 166 * X/Open CAE Specification Issue 5 Version 2; IEEE Std 1003.1-2001 (POSIX) 167 */ 168 #if (_POSIX_C_SOURCE - 0) >= 200112L || \ 169 (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ 170 (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE) 171 int sighold __P((int)); 172 int sigignore __P((int)); 173 int sigpause __P((int)); 174 int sigrelse __P((int)); 175 void (*sigset __P((int, void (*)(int)))) __P((int)); 176 int sigwait __P((const sigset_t * __restrict, int * __restrict)); 177 int sigwaitinfo __P((const sigset_t * __restrict, siginfo_t * __restrict)); 178 179 struct timespec; 180 int sigtimedwait __P((const sigset_t * __restrict, 181 siginfo_t * __restrict, const struct timespec * __restrict)); 182 int __sigtimedwait __P((const sigset_t * __restrict, 183 siginfo_t * __restrict, struct timespec * __restrict)); 184 #endif /* _POSIX_C_SOURCE >= 200112 || _XOPEN_SOURCE_EXTENDED || ... */ 185 186 187 #if defined(_NETBSD_SOURCE) 188 #ifndef __PSIGNAL_DECLARED 189 #define __PSIGNAL_DECLARED 190 /* also in unistd.h */ 191 void psignal __P((unsigned int, const char *)); 192 #endif /* __PSIGNAL_DECLARED */ 193 int sigblock __P((int)); 194 #ifdef __LIBC12_SOURCE__ 195 int sigreturn __P((struct sigcontext13 *)); 196 int __sigreturn14 __P((struct sigcontext *)); 197 #else 198 int sigreturn __P((struct sigcontext *)) __RENAME(__sigreturn14); 199 #endif 200 int sigsetmask __P((int)); 201 int sigvec __P((int, struct sigvec *, struct sigvec *)); 202 #endif /* _NETBSD_SOURCE */ 203 204 #endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */ 205 __END_DECLS 206 207 #endif /* !_SIGNAL_H_ */ 208
Indexes created Wed Oct 15 16:09:53 GMT 2025