signal.h revision 1.31
1 /* $NetBSD: signal.h,v 1.31 2003/07/18 15:50:01 thorpej 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 int pthread_sigmask __P((int, const sigset_t *, sigset_t *)); 68 int pthread_kill __P((pthread_t, int)); 69 70 #ifdef __LIBC12_SOURCE__ 71 int sigaction __P((int, const struct sigaction13 *, struct sigaction13 *)); 72 int __sigaction14 __P((int, const struct sigaction *, struct sigaction *)); 73 int __libc_sigaction14 __P((int, const struct sigaction *, 74 struct sigaction *)); 75 int sigaddset __P((sigset13_t *, int)); 76 int __sigaddset14 __P((sigset_t *, int)); 77 int sigdelset __P((sigset13_t *, int)); 78 int __sigdelset14 __P((sigset_t *, int)); 79 int sigemptyset __P((sigset13_t *)); 80 int __sigemptyset14 __P((sigset_t *)); 81 int sigfillset __P((sigset13_t *)); 82 int __sigfillset14 __P((sigset_t *)); 83 int sigismember __P((const sigset13_t *, int)); 84 int __sigismember14 __P((const sigset_t *, int)); 85 int sigpending __P((sigset13_t *)); 86 int __sigpending14 __P((sigset_t *)); 87 int sigprocmask __P((int, const sigset13_t *, sigset13_t *)); 88 int __sigprocmask14 __P((int, const sigset_t *, sigset_t *)); 89 int sigsuspend __P((const sigset13_t *)); 90 int __sigsuspend14 __P((const sigset_t *)); 91 #else /* !__LIBC12_SOURCE__ */ 92 int sigaction __P((int, const struct sigaction *, struct sigaction *)) __RENAME(__sigaction14); 93 int sigaddset __P((sigset_t *, int)) __RENAME(__sigaddset14); 94 int sigdelset __P((sigset_t *, int)) __RENAME(__sigdelset14); 95 int sigemptyset __P((sigset_t *)) __RENAME(__sigemptyset14); 96 int sigfillset __P((sigset_t *)) __RENAME(__sigfillset14); 97 int sigismember __P((const sigset_t *, int)) __RENAME(__sigismember14); 98 int sigpending __P((sigset_t *)) __RENAME(__sigpending14); 99 int sigprocmask __P((int, const sigset_t *, sigset_t *)) __RENAME(__sigprocmask14); 100 int sigsuspend __P((const sigset_t *)) __RENAME(__sigsuspend14); 101 102 #if defined(__GNUC__) && defined(__STDC__) 103 #ifndef errno 104 int *__errno __P((void)); 105 #define errno (*__errno()) 106 #endif 107 extern __inline int 108 sigaddset(sigset_t *set, int signo) 109 { 110 if (signo <= 0 || signo >= _NSIG) { 111 errno = 22; /* EINVAL */ 112 return (-1); 113 } 114 __sigaddset(set, signo); 115 return (0); 116 } 117 118 extern __inline int 119 sigdelset(sigset_t *set, int signo) 120 { 121 if (signo <= 0 || signo >= _NSIG) { 122 errno = 22; /* EINVAL */ 123 return (-1); 124 } 125 __sigdelset(set, signo); 126 return (0); 127 } 128 129 extern __inline int 130 sigismember(const sigset_t *set, int signo) 131 { 132 if (signo <= 0 || signo >= _NSIG) { 133 errno = 22; /* EINVAL */ 134 return (-1); 135 } 136 return (__sigismember(set, signo)); 137 } 138 #endif /* __GNUC__ && __STDC__ */ 139 140 /* List definitions after function declarations, or Reiser cpp gets upset. */ 141 #define sigemptyset(set) (__sigemptyset(set), /*LINTED*/0) 142 #define sigfillset(set) (__sigfillset(set), /*LINTED*/ 0) 143 #endif /* !__LIBC12_SOURCE__ */ 144 145 /* 146 * X/Open CAE Specification Issue 5 Version 2 147 */ 148 #if (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ 149 (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE) 150 int killpg __P((pid_t, int)); 151 int siginterrupt __P((int, int)); 152 int sigstack __P((const struct sigstack *, struct sigstack *)); 153 #ifdef __LIBC12_SOURCE__ 154 int sigaltstack __P((const struct sigaltstack13 *, struct sigaltstack13 *)); 155 int __sigaltstack14 __P((const stack_t *, stack_t *)); 156 #else 157 int sigaltstack __P((const stack_t *, stack_t *)) __RENAME(__sigaltstack14); 158 #endif 159 #endif /* _XOPEN_SOURCE_EXTENDED || _XOPEN_SOURCE >= 500 || _NETBSD_SOURCE */ 160 161 162 /* 163 * X/Open CAE Specification Issue 5 Version 2; IEEE Std 1003.1-2001 (POSIX) 164 */ 165 #if (_POSIX_C_SOURCE - 0) >= 200112L || \ 166 (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ 167 (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE) 168 int sighold __P((int)); 169 int sigignore __P((int)); 170 int sigpause __P((int)); 171 int sigrelse __P((int)); 172 void (*sigset __P((int, void (*)(int)))) __P((int)); 173 int sigwait __P((const sigset_t * __restrict, int * __restrict)); 174 int sigwaitinfo __P((const sigset_t * __restrict, siginfo_t * __restrict)); 175 176 struct timespec; 177 int sigtimedwait __P((const sigset_t * __restrict, 178 siginfo_t * __restrict, const struct timespec * __restrict)); 179 int __sigtimedwait __P((const sigset_t * __restrict, 180 siginfo_t * __restrict, struct timespec * __restrict)); 181 #endif /* _POSIX_C_SOURCE >= 200112 || _XOPEN_SOURCE_EXTENDED || ... */ 182 183 184 #if defined(_NETBSD_SOURCE) 185 #ifndef __PSIGNAL_DECLARED 186 #define __PSIGNAL_DECLARED 187 /* also in unistd.h */ 188 void psignal __P((unsigned int, const char *)); 189 #endif /* __PSIGNAL_DECLARED */ 190 int sigblock __P((int)); 191 #ifdef __LIBC12_SOURCE__ 192 int sigreturn __P((struct sigcontext13 *)); 193 int __sigreturn14 __P((struct sigcontext *)); 194 #else 195 int sigreturn __P((struct sigcontext *)) __RENAME(__sigreturn14); 196 #endif 197 int sigsetmask __P((int)); 198 int sigvec __P((int, struct sigvec *, struct sigvec *)); 199 #endif /* _NETBSD_SOURCE */ 200 201 #endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */ 202 __END_DECLS 203 204 #endif /* !_SIGNAL_H_ */ 205
Indexes created Sun Oct 19 02:09:48 GMT 2025