signal.h revision 1.30
1 /* $NetBSD: signal.h,v 1.30 2003/07/18 08:53:42 lukem 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 #include <pthread_types.h> 52 53 #if defined(_NETBSD_SOURCE) 54 extern __const char *__const *sys_signame __RENAME(__sys_signame14); 55 #ifndef __SYS_SIGLIST_DECLARED 56 #define __SYS_SIGLIST_DECLARED 57 /* also in unistd.h */ 58 extern __const char *__const *sys_siglist __RENAME(__sys_siglist14); 59 #endif /* __SYS_SIGLIST_DECLARED */ 60 extern __const int sys_nsig __RENAME(__sys_nsig14); 61 #endif 62 63 __BEGIN_DECLS 64 int raise __P((int)); 65 #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \ 66 defined(_NETBSD_SOURCE) 67 int kill __P((pid_t, int)); 68 69 int pthread_sigmask __P((int, const sigset_t *, sigset_t *)); 70 int pthread_kill __P((pthread_t, int)); 71 72 #ifdef __LIBC12_SOURCE__ 73 int sigaction __P((int, const struct sigaction13 *, struct sigaction13 *)); 74 int __sigaction14 __P((int, const struct sigaction *, struct sigaction *)); 75 int __libc_sigaction14 __P((int, const struct sigaction *, 76 struct sigaction *)); 77 int sigaddset __P((sigset13_t *, int)); 78 int __sigaddset14 __P((sigset_t *, int)); 79 int sigdelset __P((sigset13_t *, int)); 80 int __sigdelset14 __P((sigset_t *, int)); 81 int sigemptyset __P((sigset13_t *)); 82 int __sigemptyset14 __P((sigset_t *)); 83 int sigfillset __P((sigset13_t *)); 84 int __sigfillset14 __P((sigset_t *)); 85 int sigismember __P((const sigset13_t *, int)); 86 int __sigismember14 __P((const sigset_t *, int)); 87 int sigpending __P((sigset13_t *)); 88 int __sigpending14 __P((sigset_t *)); 89 int sigprocmask __P((int, const sigset13_t *, sigset13_t *)); 90 int __sigprocmask14 __P((int, const sigset_t *, sigset_t *)); 91 int sigsuspend __P((const sigset13_t *)); 92 int __sigsuspend14 __P((const sigset_t *)); 93 #else /* !__LIBC12_SOURCE__ */ 94 int sigaction __P((int, const struct sigaction *, struct sigaction *)) __RENAME(__sigaction14); 95 int sigaddset __P((sigset_t *, int)) __RENAME(__sigaddset14); 96 int sigdelset __P((sigset_t *, int)) __RENAME(__sigdelset14); 97 int sigemptyset __P((sigset_t *)) __RENAME(__sigemptyset14); 98 int sigfillset __P((sigset_t *)) __RENAME(__sigfillset14); 99 int sigismember __P((const sigset_t *, int)) __RENAME(__sigismember14); 100 int sigpending __P((sigset_t *)) __RENAME(__sigpending14); 101 int sigprocmask __P((int, const sigset_t *, sigset_t *)) __RENAME(__sigprocmask14); 102 int sigsuspend __P((const sigset_t *)) __RENAME(__sigsuspend14); 103 104 #if defined(__GNUC__) && defined(__STDC__) 105 #ifndef errno 106 int *__errno __P((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 #endif /* __GNUC__ && __STDC__ */ 141 142 /* List definitions after function declarations, or Reiser cpp gets upset. */ 143 #define sigemptyset(set) (__sigemptyset(set), /*LINTED*/0) 144 #define sigfillset(set) (__sigfillset(set), /*LINTED*/ 0) 145 #endif /* !__LIBC12_SOURCE__ */ 146 147 /* 148 * X/Open CAE Specification Issue 5 Version 2 149 */ 150 #if (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ 151 (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE) 152 int killpg __P((pid_t, int)); 153 int siginterrupt __P((int, int)); 154 int sigstack __P((const struct sigstack *, struct sigstack *)); 155 #ifdef __LIBC12_SOURCE__ 156 int sigaltstack __P((const struct sigaltstack13 *, struct sigaltstack13 *)); 157 int __sigaltstack14 __P((const stack_t *, stack_t *)); 158 #else 159 int sigaltstack __P((const stack_t *, stack_t *)) __RENAME(__sigaltstack14); 160 #endif 161 #endif /* _XOPEN_SOURCE_EXTENDED || _XOPEN_SOURCE >= 500 || _NETBSD_SOURCE */ 162 163 164 /* 165 * X/Open CAE Specification Issue 5 Version 2; IEEE Std 1003.1-2001 (POSIX) 166 */ 167 #if (_POSIX_C_SOURCE - 0) >= 200112L || \ 168 (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ 169 (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE) 170 int sighold __P((int)); 171 int sigignore __P((int)); 172 int sigpause __P((int)); 173 int sigrelse __P((int)); 174 void (*sigset __P((int, void (*)(int)))) __P((int)); 175 int sigwait __P((const sigset_t * __restrict, int * __restrict)); 176 int sigwaitinfo __P((const sigset_t * __restrict, siginfo_t * __restrict)); 177 178 struct timespec; 179 int sigtimedwait __P((const sigset_t * __restrict, 180 siginfo_t * __restrict, const struct timespec * __restrict)); 181 int __sigtimedwait __P((const sigset_t * __restrict, 182 siginfo_t * __restrict, struct timespec * __restrict)); 183 #endif /* _POSIX_C_SOURCE >= 200112 || _XOPEN_SOURCE_EXTENDED || ... */ 184 185 186 #if defined(_NETBSD_SOURCE) 187 #ifndef __PSIGNAL_DECLARED 188 #define __PSIGNAL_DECLARED 189 /* also in unistd.h */ 190 void psignal __P((unsigned int, const char *)); 191 #endif /* __PSIGNAL_DECLARED */ 192 int sigblock __P((int)); 193 #ifdef __LIBC12_SOURCE__ 194 int sigreturn __P((struct sigcontext13 *)); 195 int __sigreturn14 __P((struct sigcontext *)); 196 #else 197 int sigreturn __P((struct sigcontext *)) __RENAME(__sigreturn14); 198 #endif 199 int sigsetmask __P((int)); 200 int sigvec __P((int, struct sigvec *, struct sigvec *)); 201 #endif /* _NETBSD_SOURCE */ 202 203 #endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */ 204 __END_DECLS 205 206 #endif /* !_SIGNAL_H_ */ 207
Indexes created Sun Oct 19 19:09:49 GMT 2025