signal.h revision 1.40
1 /* $NetBSD: signal.h,v 1.40 2004/12/31 18:06:16 christos 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. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)signal.h 8.3 (Berkeley) 3/30/94 32 */ 33 34 #ifndef _SIGNAL_H_ 35 #define _SIGNAL_H_ 36 37 #include <sys/cdefs.h> 38 #include <sys/featuretest.h> 39 40 #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \ 41 defined(_NETBSD_SOURCE) 42 #include <sys/types.h> 43 #endif 44 45 #include <sys/signal.h> 46 47 #if defined(_NETBSD_SOURCE) 48 extern __const char *__const *sys_signame __RENAME(__sys_signame14); 49 #ifndef __SYS_SIGLIST_DECLARED 50 #define __SYS_SIGLIST_DECLARED 51 /* also in unistd.h */ 52 extern __const char *__const *sys_siglist __RENAME(__sys_siglist14); 53 #endif /* __SYS_SIGLIST_DECLARED */ 54 extern __const int sys_nsig __RENAME(__sys_nsig14); 55 #endif 56 57 __BEGIN_DECLS 58 int raise __P((int)); 59 #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \ 60 defined(_NETBSD_SOURCE) 61 int kill __P((pid_t, int)); 62 int __libc_sigaction14 __P((int, const struct sigaction *, 63 struct sigaction *)); 64 65 #if (_POSIX_C_SOURCE - 0L) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \ 66 defined(_NETBSD_SOURCE) 67 int pthread_sigmask __P((int, const sigset_t *, sigset_t *)); 68 int pthread_kill __P((pthread_t, int)); 69 int __libc_thr_sigsetmask(int, const sigset_t *, sigset_t *); 70 #ifndef __LIBPTHREAD_SOURCE__ 71 #define pthread_sigmask __libc_thr_sigsetmask 72 #endif /* __LIBPTHREAD_SOURCE__ */ 73 #endif 74 75 #ifdef __LIBC12_SOURCE__ 76 int sigaction __P((int, const struct sigaction13 *, struct sigaction13 *)); 77 int __sigaction14 __P((int, const struct sigaction *, 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 } 141 142 extern __inline int 143 sigemptyset(sigset_t *set) 144 { 145 __sigemptyset(set); 146 return (0); 147 } 148 149 extern __inline int 150 sigfillset(sigset_t *set) 151 { 152 __sigfillset(set); 153 return (0); 154 } 155 #endif /* __GNUC__ && __STDC__ */ 156 #endif /* !__LIBC12_SOURCE__ */ 157 158 /* 159 * X/Open CAE Specification Issue 4 Version 2 160 */ 161 #if (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ 162 (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE) 163 int killpg __P((pid_t, int)); 164 int siginterrupt __P((int, int)); 165 int sigstack __P((const struct sigstack *, struct sigstack *)); 166 #ifdef __LIBC12_SOURCE__ 167 int sigaltstack __P((const struct sigaltstack13 *, struct sigaltstack13 *)); 168 int __sigaltstack14 __P((const stack_t *, stack_t *)); 169 #else 170 int sigaltstack __P((const stack_t *, stack_t *)) __RENAME(__sigaltstack14); 171 #endif 172 int sighold __P((int)); 173 int sigignore __P((int)); 174 int sigpause __P((int)); 175 int sigrelse __P((int)); 176 void (*sigset __P((int, void (*)(int)))) __P((int)); 177 #endif /* _XOPEN_SOURCE_EXTENDED || _XOPEN_SOURCE >= 500 || _NETBSD_SOURCE */ 178 179 180 /* 181 * X/Open CAE Specification Issue 5; IEEE Std 1003.1b-1993 (POSIX) 182 */ 183 #if (_POSIX_C_SOURCE - 0) >= 199309L || (_XOPEN_SOURCE - 0) >= 500 || \ 184 defined(_NETBSD_SOURCE) 185 int sigwait __P((const sigset_t * __restrict, int * __restrict)); 186 int sigwaitinfo __P((const sigset_t * __restrict, siginfo_t * __restrict)); 187 188 struct timespec; 189 int sigtimedwait __P((const sigset_t * __restrict, 190 siginfo_t * __restrict, const struct timespec * __restrict)); 191 int __sigtimedwait __P((const sigset_t * __restrict, 192 siginfo_t * __restrict, struct timespec * __restrict)); 193 #endif /* _POSIX_C_SOURCE >= 200112 || _XOPEN_SOURCE_EXTENDED || ... */ 194 195 196 #if defined(_NETBSD_SOURCE) 197 #ifndef __PSIGNAL_DECLARED 198 #define __PSIGNAL_DECLARED 199 /* also in unistd.h */ 200 void psignal __P((unsigned int, const char *)); 201 #endif /* __PSIGNAL_DECLARED */ 202 int sigblock __P((int)); 203 #ifdef __LIBC12_SOURCE__ 204 struct sigcontext13; 205 int sigreturn __P((struct sigcontext13 *)); 206 #ifndef __HAVE_SIGINFO 207 struct sigcontext; 208 int __sigreturn14 __P((struct sigcontext *)); 209 #endif 210 #else 211 #ifndef __HAVE_SIGINFO 212 struct sigcontext; 213 int sigreturn __P((struct sigcontext *)) __RENAME(__sigreturn14); 214 #endif 215 #endif 216 int sigsetmask __P((int)); 217 int sigvec __P((int, struct sigvec *, struct sigvec *)); 218 #endif /* _NETBSD_SOURCE */ 219 220 #endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */ 221 __END_DECLS 222 223 #endif /* !_SIGNAL_H_ */ 224
Indexes created Wed Oct 15 16:09:53 GMT 2025