signal.h revision 1.25
1 /* $NetBSD: signal.h,v 1.25 2003/04/28 23:16:14 bjh21 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 #ifndef _ANSI_SOURCE 64 int kill __P((pid_t, int)); 65 66 int pthread_sigmask __P((int, const sigset_t *, sigset_t *)); 67 68 #ifdef __LIBC12_SOURCE__ 69 int sigaction __P((int, const struct sigaction13 *, struct sigaction13 *)); 70 int __sigaction14 __P((int, const struct sigaction *, struct sigaction *)); 71 int __libc_sigaction14 __P((int, const struct sigaction *, 72 struct sigaction *)); 73 int sigaddset __P((sigset13_t *, int)); 74 int __sigaddset14 __P((sigset_t *, int)); 75 int sigdelset __P((sigset13_t *, int)); 76 int __sigdelset14 __P((sigset_t *, int)); 77 int sigemptyset __P((sigset13_t *)); 78 int __sigemptyset14 __P((sigset_t *)); 79 int sigfillset __P((sigset13_t *)); 80 int __sigfillset14 __P((sigset_t *)); 81 int sigismember __P((const sigset13_t *, int)); 82 int __sigismember14 __P((const sigset_t *, int)); 83 int sigpending __P((sigset13_t *)); 84 int __sigpending14 __P((sigset_t *)); 85 int sigprocmask __P((int, const sigset13_t *, sigset13_t *)); 86 int __sigprocmask14 __P((int, const sigset_t *, sigset_t *)); 87 int sigsuspend __P((const sigset13_t *)); 88 int __sigsuspend14 __P((const sigset_t *)); 89 #else /* !__LIBC12_SOURCE__ */ 90 int sigaction __P((int, const struct sigaction *, struct sigaction *)) __RENAME(__sigaction14); 91 int sigaddset __P((sigset_t *, int)) __RENAME(__sigaddset14); 92 int sigdelset __P((sigset_t *, int)) __RENAME(__sigdelset14); 93 int sigemptyset __P((sigset_t *)) __RENAME(__sigemptyset14); 94 int sigfillset __P((sigset_t *)) __RENAME(__sigfillset14); 95 int sigismember __P((const sigset_t *, int)) __RENAME(__sigismember14); 96 int sigpending __P((sigset_t *)) __RENAME(__sigpending14); 97 int sigprocmask __P((int, const sigset_t *, sigset_t *)) __RENAME(__sigprocmask14); 98 int sigsuspend __P((const sigset_t *)) __RENAME(__sigsuspend14); 99 100 #if defined(__GNUC__) && defined(__STDC__) 101 #ifndef errno 102 int *__errno __P((void)); 103 #define errno (*__errno()) 104 #endif 105 extern __inline int 106 sigaddset(sigset_t *set, int signo) 107 { 108 if (signo <= 0 || signo >= _NSIG) { 109 errno = 22; /* EINVAL */ 110 return (-1); 111 } 112 __sigaddset(set, signo); 113 return (0); 114 } 115 116 extern __inline int 117 sigdelset(sigset_t *set, int signo) 118 { 119 if (signo <= 0 || signo >= _NSIG) { 120 errno = 22; /* EINVAL */ 121 return (-1); 122 } 123 __sigdelset(set, signo); 124 return (0); 125 } 126 127 extern __inline int 128 sigismember(const sigset_t *set, int signo) 129 { 130 if (signo <= 0 || signo >= _NSIG) { 131 errno = 22; /* EINVAL */ 132 return (-1); 133 } 134 return (__sigismember(set, signo)); 135 } 136 #endif /* __GNUC__ && __STDC__ */ 137 138 /* List definitions after function declarations, or Reiser cpp gets upset. */ 139 #define sigemptyset(set) (__sigemptyset(set), /*LINTED*/0) 140 #define sigfillset(set) (__sigfillset(set), /*LINTED*/ 0) 141 #endif /* !__LIBC12_SOURCE__ */ 142 143 /* 144 * X/Open CAE Specification Issue 5 Version 2 145 */ 146 #if (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ 147 (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE) 148 int killpg __P((pid_t, int)); 149 int siginterrupt __P((int, int)); 150 int sigstack __P((const struct sigstack *, struct sigstack *)); 151 #ifdef __LIBC12_SOURCE__ 152 int sigaltstack __P((const struct sigaltstack13 *, struct sigaltstack13 *)); 153 int __sigaltstack14 __P((const stack_t *, stack_t *)); 154 #else 155 int sigaltstack __P((const stack_t *, stack_t *)) __RENAME(__sigaltstack14); 156 #endif 157 #endif /* _XOPEN_SOURCE_EXTENDED || _XOPEN_SOURCE >= 500 || _NETBSD_SOURCE */ 158 159 160 /* 161 * X/Open CAE Specification Issue 5 Version 2; IEEE Std 1003.1-2001 (POSIX) 162 */ 163 #if (_POSIX_C_SOURCE - 0) >= 200112L || \ 164 (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ 165 (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE) 166 int sighold __P((int)); 167 int sigignore __P((int)); 168 int sigpause __P((int)); 169 int sigrelse __P((int)); 170 void (*sigset __P((int, void (*)(int)))) __P((int)); 171 int sigwait __P((const sigset_t * __restrict, int * __restrict)); 172 int sigwaitinfo __P((const sigset_t * __restrict, siginfo_t * __restrict)); 173 174 struct timespec; 175 int sigtimedwait __P((const sigset_t * __restrict, 176 siginfo_t * __restrict, const struct timespec * __restrict)); 177 int __sigtimedwait __P((const sigset_t * __restrict, 178 siginfo_t * __restrict, struct timespec * __restrict)); 179 #endif /* _POSIX_C_SOURCE >= 200112 || _XOPEN_SOURCE_EXTENDED || ... */ 180 181 182 #if defined(_NETBSD_SOURCE) 183 #ifndef __PSIGNAL_DECLARED 184 #define __PSIGNAL_DECLARED 185 /* also in unistd.h */ 186 void psignal __P((unsigned int, const char *)); 187 #endif /* __PSIGNAL_DECLARED */ 188 int sigblock __P((int)); 189 #ifdef __LIBC12_SOURCE__ 190 int sigreturn __P((struct sigcontext13 *)); 191 int __sigreturn14 __P((struct sigcontext *)); 192 #else 193 int sigreturn __P((struct sigcontext *)) __RENAME(__sigreturn14); 194 #endif 195 int sigsetmask __P((int)); 196 int sigvec __P((int, struct sigvec *, struct sigvec *)); 197 #endif /* _NETBSD_SOURCE */ 198 199 #endif /* !_ANSI_SOURCE */ 200 __END_DECLS 201 202 #endif /* !_SIGNAL_H_ */ 203
Indexes created Fri Oct 17 00:09:41 GMT 2025