signal.h revision 1.43
1 /* $NetBSD: signal.h,v 1.43 2005/03/22 20:25:31 kleink 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 * __restrict, 63 struct sigaction * __restrict); 64 65 #if (_POSIX_C_SOURCE - 0L) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \ 66 defined(_NETBSD_SOURCE) 67 int pthread_sigmask(int, const sigset_t *, sigset_t *); 68 int pthread_kill(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(int, const struct sigaction13 * __restrict, 77 struct sigaction13 * __restrict); 78 int __sigaction14(int, const struct sigaction * __restrict, 79 struct sigaction * __restrict); 80 int sigaddset(sigset13_t *, int); 81 int __sigaddset14(sigset_t *, int); 82 int sigdelset(sigset13_t *, int); 83 int __sigdelset14(sigset_t *, int); 84 int sigemptyset(sigset13_t *); 85 int __sigemptyset14(sigset_t *); 86 int sigfillset(sigset13_t *); 87 int __sigfillset14(sigset_t *); 88 int sigismember(const sigset13_t *, int); 89 int __sigismember14(const sigset_t *, int); 90 int sigpending(sigset13_t *); 91 int __sigpending14(sigset_t *); 92 int sigprocmask(int, const sigset13_t * __restrict, 93 sigset13_t * __restrict); 94 int __sigprocmask14(int, const sigset_t * __restrict, 95 sigset_t * __restrict); 96 int sigsuspend(const sigset13_t *); 97 int __sigsuspend14(const sigset_t *); 98 #else /* !__LIBC12_SOURCE__ */ 99 int sigaction(int, const struct sigaction * __restrict, 100 struct sigaction * __restrict) __RENAME(__sigaction14); 101 int sigaddset(sigset_t *, int) __RENAME(__sigaddset14); 102 int sigdelset(sigset_t *, int) __RENAME(__sigdelset14); 103 int sigemptyset(sigset_t *) __RENAME(__sigemptyset14); 104 int sigfillset(sigset_t *) __RENAME(__sigfillset14); 105 int sigismember(const sigset_t *, int) __RENAME(__sigismember14); 106 int sigpending(sigset_t *) __RENAME(__sigpending14); 107 int sigprocmask(int, const sigset_t * __restrict, sigset_t * __restrict) 108 __RENAME(__sigprocmask14); 109 int sigsuspend(const sigset_t *) __RENAME(__sigsuspend14); 110 111 #if defined(__GNUC__) && defined(__STDC__) 112 #ifndef errno 113 int *__errno(void); 114 #define errno (*__errno()) 115 #endif 116 extern __inline int 117 sigaddset(sigset_t *set, int signo) 118 { 119 if (signo <= 0 || signo >= _NSIG) { 120 errno = 22; /* EINVAL */ 121 return (-1); 122 } 123 __sigaddset(set, signo); 124 return (0); 125 } 126 127 extern __inline int 128 sigdelset(sigset_t *set, int signo) 129 { 130 if (signo <= 0 || signo >= _NSIG) { 131 errno = 22; /* EINVAL */ 132 return (-1); 133 } 134 __sigdelset(set, signo); 135 return (0); 136 } 137 138 extern __inline int 139 sigismember(const sigset_t *set, int signo) 140 { 141 if (signo <= 0 || signo >= _NSIG) { 142 errno = 22; /* EINVAL */ 143 return (-1); 144 } 145 return (__sigismember(set, signo)); 146 } 147 148 extern __inline int 149 sigemptyset(sigset_t *set) 150 { 151 __sigemptyset(set); 152 return (0); 153 } 154 155 extern __inline int 156 sigfillset(sigset_t *set) 157 { 158 __sigfillset(set); 159 return (0); 160 } 161 #endif /* __GNUC__ && __STDC__ */ 162 #endif /* !__LIBC12_SOURCE__ */ 163 164 /* 165 * X/Open CAE Specification Issue 4 Version 2 166 */ 167 #if (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ 168 (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE) 169 int killpg(pid_t, int); 170 int siginterrupt(int, int); 171 int sigstack(const struct sigstack *, struct sigstack *); 172 #ifdef __LIBC12_SOURCE__ 173 int sigaltstack(const struct sigaltstack13 * __restrict, 174 struct sigaltstack13 * __restrict); 175 int __sigaltstack14(const stack_t * __restrict, stack_t * __restrict); 176 #else 177 int sigaltstack(const stack_t * __restrict, stack_t * __restrict) 178 __RENAME(__sigaltstack14); 179 #endif 180 int sighold(int); 181 int sigignore(int); 182 int sigpause(int); 183 int sigrelse(int); 184 void (*sigset (int, void (*)(int)))(int); 185 #endif /* _XOPEN_SOURCE_EXTENDED || _XOPEN_SOURCE >= 500 || _NETBSD_SOURCE */ 186 187 188 /* 189 * X/Open CAE Specification Issue 5; IEEE Std 1003.1b-1993 (POSIX) 190 */ 191 #if (_POSIX_C_SOURCE - 0) >= 199309L || (_XOPEN_SOURCE - 0) >= 500 || \ 192 defined(_NETBSD_SOURCE) 193 int sigwait (const sigset_t * __restrict, int * __restrict); 194 int sigwaitinfo(const sigset_t * __restrict, siginfo_t * __restrict); 195 196 struct timespec; 197 int sigtimedwait(const sigset_t * __restrict, 198 siginfo_t * __restrict, const struct timespec * __restrict); 199 int __sigtimedwait(const sigset_t * __restrict, 200 siginfo_t * __restrict, struct timespec * __restrict); 201 #endif /* _POSIX_C_SOURCE >= 200112 || _XOPEN_SOURCE_EXTENDED || ... */ 202 203 204 #if defined(_NETBSD_SOURCE) 205 #ifndef __PSIGNAL_DECLARED 206 #define __PSIGNAL_DECLARED 207 /* also in unistd.h */ 208 void psignal(unsigned int, const char *); 209 #endif /* __PSIGNAL_DECLARED */ 210 int sigblock(int); 211 int sigsetmask(int); 212 int sigvec(int, struct sigvec *, struct sigvec *); 213 #endif /* _NETBSD_SOURCE */ 214 215 #endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */ 216 __END_DECLS 217 218 #endif /* !_SIGNAL_H_ */ 219
Indexes created Wed Oct 15 16:09:53 GMT 2025