signal.h revision 1.21.2.1
1 /* $NetBSD: signal.h,v 1.21.2.1 2002/10/02 20:16:32 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(_ANSI_SOURCE) 45 #include <sys/types.h> 46 #endif 47 48 #include <sys/signal.h> 49 50 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \ 51 !defined(_XOPEN_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 #ifdef __LIBC12_SOURCE__ 67 int sigaction __P((int, const struct sigaction13 *, struct sigaction13 *)); 68 int __sigaction14 __P((int, const struct sigaction *, struct sigaction *)); 69 int __libc_sigaction14 __P((int, const struct sigaction *, 70 struct sigaction *)); 71 int sigaddset __P((sigset13_t *, int)); 72 int __sigaddset14 __P((sigset_t *, int)); 73 int sigdelset __P((sigset13_t *, int)); 74 int __sigdelset14 __P((sigset_t *, int)); 75 int sigemptyset __P((sigset13_t *)); 76 int __sigemptyset14 __P((sigset_t *)); 77 int sigfillset __P((sigset13_t *)); 78 int __sigfillset14 __P((sigset_t *)); 79 int sigismember __P((const sigset13_t *, int)); 80 int __sigismember14 __P((const sigset_t *, int)); 81 int sigpending __P((sigset13_t *)); 82 int __sigpending14 __P((sigset_t *)); 83 int sigprocmask __P((int, const sigset13_t *, sigset13_t *)); 84 int __sigprocmask14 __P((int, const sigset_t *, sigset_t *)); 85 int sigsuspend __P((const sigset13_t *)); 86 int __sigsuspend14 __P((const sigset_t *)); 87 #else /* !__LIBC12_SOURCE__ */ 88 int sigaction __P((int, const struct sigaction *, struct sigaction *)) __RENAME(__sigaction14); 89 int sigaddset __P((sigset_t *, int)) __RENAME(__sigaddset14); 90 int sigdelset __P((sigset_t *, int)) __RENAME(__sigdelset14); 91 int sigemptyset __P((sigset_t *)) __RENAME(__sigemptyset14); 92 int sigfillset __P((sigset_t *)) __RENAME(__sigfillset14); 93 int sigismember __P((const sigset_t *, int)) __RENAME(__sigismember14); 94 int sigpending __P((sigset_t *)) __RENAME(__sigpending14); 95 int sigprocmask __P((int, const sigset_t *, sigset_t *)) __RENAME(__sigprocmask14); 96 int sigsuspend __P((const sigset_t *)) __RENAME(__sigsuspend14); 97 98 #if defined(__GNUC__) && defined(__STDC__) 99 #ifndef errno 100 int *__errno __P((void)); 101 #define errno (*__errno()) 102 #endif 103 extern __inline int 104 sigaddset(sigset_t *set, int signo) 105 { 106 if (signo <= 0 || signo >= _NSIG) { 107 errno = 22; /* EINVAL */ 108 return (-1); 109 } 110 __sigaddset(set, signo); 111 return (0); 112 } 113 114 extern __inline int 115 sigdelset(sigset_t *set, int signo) 116 { 117 if (signo <= 0 || signo >= _NSIG) { 118 errno = 22; /* EINVAL */ 119 return (-1); 120 } 121 __sigdelset(set, signo); 122 return (0); 123 } 124 125 extern __inline int 126 sigismember(const sigset_t *set, int signo) 127 { 128 if (signo <= 0 || signo >= _NSIG) { 129 errno = 22; /* EINVAL */ 130 return (-1); 131 } 132 return (__sigismember(set, signo)); 133 } 134 #endif /* __GNUC__ && __STDC__ */ 135 136 /* List definitions after function declarations, or Reiser cpp gets upset. */ 137 #define sigemptyset(set) (__sigemptyset(set), /*LINTED*/0) 138 #define sigfillset(set) (__sigfillset(set), /*LINTED*/ 0) 139 #endif /* !__LIBC12_SOURCE__ */ 140 141 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \ 142 (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ 143 (_XOPEN_SOURCE - 0) >= 500 144 int killpg __P((pid_t, int)); 145 int siginterrupt __P((int, int)); 146 int sigpause __P((int)); 147 int sigstack __P((const struct sigstack *, struct sigstack *)); 148 #ifdef __LIBC12_SOURCE__ 149 int sigaltstack __P((const struct sigaltstack13 *, struct sigaltstack13 *)); 150 int __sigaltstack14 __P((const stack_t *, stack_t *)); 151 #else 152 int sigaltstack __P((const stack_t *, stack_t *)) __RENAME(__sigaltstack14); 153 #endif 154 #endif /* (!_POSIX_C_SOURCE && !_XOPEN_SOURCE) || ... */ 155 156 #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE) 157 #ifndef __PSIGNAL_DECLARED 158 #define __PSIGNAL_DECLARED 159 /* also in unistd.h */ 160 void psignal __P((unsigned int, const char *)); 161 #endif /* __PSIGNAL_DECLARED */ 162 int sigblock __P((int)); 163 #ifdef __LIBC12_SOURCE__ 164 int sigreturn __P((struct sigcontext13 *)); 165 int __sigreturn14 __P((struct sigcontext *)); 166 #else 167 int sigreturn __P((struct sigcontext *)) __RENAME(__sigreturn14); 168 #endif 169 int sigsetmask __P((int)); 170 int sigvec __P((int, struct sigvec *, struct sigvec *)); 171 #endif /* !_POSIX_C_SOURCE && !_XOPEN_SOURCE */ 172 173 #endif /* !_ANSI_SOURCE */ 174 __END_DECLS 175 176 #endif /* !_SIGNAL_H_ */ 177
Indexes created Wed Oct 22 00:09:40 GMT 2025