signal.h revision 1.42
1 /* $NetBSD: signal.h,v 1.42 2005/02/03 04:39:32 perry 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(int); 59 #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \ 60 defined(_NETBSD_SOURCE) 61 int kill(pid_t, int); 62 int __libc_sigaction14(int, const struct sigaction *, struct sigaction *); 63 64 #if (_POSIX_C_SOURCE - 0L) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \ 65 defined(_NETBSD_SOURCE) 66 int pthread_sigmask(int, const sigset_t *, sigset_t *); 67 int pthread_kill(pthread_t, int); 68 int __libc_thr_sigsetmask(int, const sigset_t *, sigset_t *); 69 #ifndef __LIBPTHREAD_SOURCE__ 70 #define pthread_sigmask __libc_thr_sigsetmask 71 #endif /* __LIBPTHREAD_SOURCE__ */ 72 #endif 73 74 #ifdef __LIBC12_SOURCE__ 75 int sigaction(int, const struct sigaction13 *, struct sigaction13 *); 76 int __sigaction14(int, const struct sigaction *, struct sigaction *); 77 int sigaddset(sigset13_t *, int); 78 int __sigaddset14(sigset_t *, int); 79 int sigdelset(sigset13_t *, int); 80 int __sigdelset14(sigset_t *, int); 81 int sigemptyset(sigset13_t *); 82 int __sigemptyset14(sigset_t *); 83 int sigfillset(sigset13_t *); 84 int __sigfillset14(sigset_t *); 85 int sigismember(const sigset13_t *, int); 86 int __sigismember14(const sigset_t *, int); 87 int sigpending(sigset13_t *); 88 int __sigpending14(sigset_t *); 89 int sigprocmask(int, const sigset13_t *, sigset13_t *); 90 int __sigprocmask14(int, const sigset_t *, sigset_t *); 91 int sigsuspend(const sigset13_t *); 92 int __sigsuspend14(const sigset_t *); 93 #else /* !__LIBC12_SOURCE__ */ 94 int sigaction(int, const struct sigaction *, struct sigaction *) __RENAME(__sigaction14); 95 int sigaddset(sigset_t *, int) __RENAME(__sigaddset14); 96 int sigdelset(sigset_t *, int) __RENAME(__sigdelset14); 97 int sigemptyset(sigset_t *) __RENAME(__sigemptyset14); 98 int sigfillset(sigset_t *) __RENAME(__sigfillset14); 99 int sigismember(const sigset_t *, int) __RENAME(__sigismember14); 100 int sigpending(sigset_t *) __RENAME(__sigpending14); 101 int sigprocmask(int, const sigset_t *, sigset_t *) __RENAME(__sigprocmask14); 102 int sigsuspend(const sigset_t *) __RENAME(__sigsuspend14); 103 104 #if defined(__GNUC__) && defined(__STDC__) 105 #ifndef errno 106 int *__errno(void); 107 #define errno (*__errno()) 108 #endif 109 extern __inline int 110 sigaddset(sigset_t *set, int signo) 111 { 112 if (signo <= 0 || signo >= _NSIG) { 113 errno = 22; /* EINVAL */ 114 return (-1); 115 } 116 __sigaddset(set, signo); 117 return (0); 118 } 119 120 extern __inline int 121 sigdelset(sigset_t *set, int signo) 122 { 123 if (signo <= 0 || signo >= _NSIG) { 124 errno = 22; /* EINVAL */ 125 return (-1); 126 } 127 __sigdelset(set, signo); 128 return (0); 129 } 130 131 extern __inline int 132 sigismember(const sigset_t *set, int signo) 133 { 134 if (signo <= 0 || signo >= _NSIG) { 135 errno = 22; /* EINVAL */ 136 return (-1); 137 } 138 return (__sigismember(set, signo)); 139 } 140 141 extern __inline int 142 sigemptyset(sigset_t *set) 143 { 144 __sigemptyset(set); 145 return (0); 146 } 147 148 extern __inline int 149 sigfillset(sigset_t *set) 150 { 151 __sigfillset(set); 152 return (0); 153 } 154 #endif /* __GNUC__ && __STDC__ */ 155 #endif /* !__LIBC12_SOURCE__ */ 156 157 /* 158 * X/Open CAE Specification Issue 4 Version 2 159 */ 160 #if (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ 161 (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE) 162 int killpg(pid_t, int); 163 int siginterrupt(int, int); 164 int sigstack(const struct sigstack *, struct sigstack *); 165 #ifdef __LIBC12_SOURCE__ 166 int sigaltstack(const struct sigaltstack13 *, struct sigaltstack13 *); 167 int __sigaltstack14(const stack_t *, stack_t *); 168 #else 169 int sigaltstack(const stack_t *, stack_t *) __RENAME(__sigaltstack14); 170 #endif 171 int sighold(int); 172 int sigignore(int); 173 int sigpause(int); 174 int sigrelse(int); 175 void (*sigset (int, void (*)(int)))(int); 176 #endif /* _XOPEN_SOURCE_EXTENDED || _XOPEN_SOURCE >= 500 || _NETBSD_SOURCE */ 177 178 179 /* 180 * X/Open CAE Specification Issue 5; IEEE Std 1003.1b-1993 (POSIX) 181 */ 182 #if (_POSIX_C_SOURCE - 0) >= 199309L || (_XOPEN_SOURCE - 0) >= 500 || \ 183 defined(_NETBSD_SOURCE) 184 int sigwait (const sigset_t * __restrict, int * __restrict); 185 int sigwaitinfo(const sigset_t * __restrict, siginfo_t * __restrict); 186 187 struct timespec; 188 int sigtimedwait(const sigset_t * __restrict, 189 siginfo_t * __restrict, const struct timespec * __restrict); 190 int __sigtimedwait(const sigset_t * __restrict, 191 siginfo_t * __restrict, struct timespec * __restrict); 192 #endif /* _POSIX_C_SOURCE >= 200112 || _XOPEN_SOURCE_EXTENDED || ... */ 193 194 195 #if defined(_NETBSD_SOURCE) 196 #ifndef __PSIGNAL_DECLARED 197 #define __PSIGNAL_DECLARED 198 /* also in unistd.h */ 199 void psignal(unsigned int, const char *); 200 #endif /* __PSIGNAL_DECLARED */ 201 int sigblock(int); 202 int sigsetmask(int); 203 int sigvec(int, struct sigvec *, struct sigvec *); 204 #endif /* _NETBSD_SOURCE */ 205 206 #endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */ 207 __END_DECLS 208 209 #endif /* !_SIGNAL_H_ */ 210
Indexes created Mon Oct 20 08:09:54 GMT 2025