signal.h revision 1.51.4.2
1 /* $NetBSD: signal.h,v 1.51.4.2 2010/10/22 07:11:52 uebayasi 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 * __restrict, 68 sigset_t * __restrict); 69 int pthread_kill(pthread_t, int); 70 int __libc_thr_sigsetmask(int, const sigset_t * __restrict, 71 sigset_t * __restrict); 72 #ifndef __LIBPTHREAD_SOURCE__ 73 #define pthread_sigmask __libc_thr_sigsetmask 74 #endif /* __LIBPTHREAD_SOURCE__ */ 75 #endif 76 77 #ifndef __LIBC12_SOURCE__ 78 int sigaction(int, const struct sigaction * __restrict, 79 struct sigaction * __restrict) __RENAME(__sigaction14); 80 int sigaddset(sigset_t *, int) __RENAME(__sigaddset14); 81 int sigdelset(sigset_t *, int) __RENAME(__sigdelset14); 82 int sigemptyset(sigset_t *) __RENAME(__sigemptyset14); 83 int sigfillset(sigset_t *) __RENAME(__sigfillset14); 84 int sigismember(const sigset_t *, int) __RENAME(__sigismember14); 85 int sigpending(sigset_t *) __RENAME(__sigpending14); 86 int sigprocmask(int, const sigset_t * __restrict, sigset_t * __restrict) 87 __RENAME(__sigprocmask14); 88 int sigsuspend(const sigset_t *) __RENAME(__sigsuspend14); 89 90 #if defined(__c99inline) || defined(__SIGSETOPS_BODY) 91 92 #if defined(__SIGSETOPS_BODY) 93 #undef __c99inline 94 #define __c99inline 95 #endif 96 97 /* note: this appears in both errno.h and signal.h */ 98 #ifndef __errno 99 int *__errno(void); 100 #define __errno __errno 101 #endif 102 103 /* the same as "errno" - but signal.h is not allowed to define that */ 104 #ifndef ___errno 105 #define ___errno (*__errno()) 106 #endif 107 108 __c99inline int 109 sigaddset(sigset_t *set, int signo) 110 { 111 if (signo <= 0 || signo >= _NSIG) { 112 ___errno = 22; /* EINVAL */ 113 return (-1); 114 } 115 __sigaddset(set, signo); 116 return (0); 117 } 118 119 __c99inline int 120 sigdelset(sigset_t *set, int signo) 121 { 122 if (signo <= 0 || signo >= _NSIG) { 123 ___errno = 22; /* EINVAL */ 124 return (-1); 125 } 126 __sigdelset(set, signo); 127 return (0); 128 } 129 130 __c99inline int 131 sigismember(const sigset_t *set, int signo) 132 { 133 if (signo <= 0 || signo >= _NSIG) { 134 ___errno = 22; /* EINVAL */ 135 return (-1); 136 } 137 return (__sigismember(set, signo)); 138 } 139 140 __c99inline int 141 sigemptyset(sigset_t *set) 142 { 143 __sigemptyset(set); 144 return (0); 145 } 146 147 __c99inline int 148 sigfillset(sigset_t *set) 149 { 150 __sigfillset(set); 151 return (0); 152 } 153 #endif /* __c99inline */ 154 #endif /* !__LIBC12_SOURCE__ */ 155 156 /* 157 * X/Open CAE Specification Issue 4 Version 2 158 */ 159 #if (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ 160 (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE) 161 int killpg(pid_t, int); 162 int siginterrupt(int, int); 163 int sigstack(const struct sigstack *, struct sigstack *); 164 #ifndef __LIBC12_SOURCE__ 165 int sigaltstack(const stack_t * __restrict, stack_t * __restrict) 166 __RENAME(__sigaltstack14); 167 #endif 168 int sighold(int); 169 int sigignore(int); 170 int sigpause(int); 171 int sigrelse(int); 172 void (*sigset (int, void (*)(int)))(int); 173 #endif /* _XOPEN_SOURCE_EXTENDED || _XOPEN_SOURCE >= 500 || _NETBSD_SOURCE */ 174 175 176 /* 177 * X/Open CAE Specification Issue 5; IEEE Std 1003.1b-1993 (POSIX) 178 */ 179 #if (_POSIX_C_SOURCE - 0) >= 199309L || (_XOPEN_SOURCE - 0) >= 500 || \ 180 defined(_NETBSD_SOURCE) 181 int sigwait (const sigset_t * __restrict, int * __restrict); 182 int sigwaitinfo(const sigset_t * __restrict, siginfo_t * __restrict); 183 void psiginfo(const siginfo_t *, const char *); 184 185 #ifndef __LIBC12_SOURCE__ 186 struct timespec; 187 int sigtimedwait(const sigset_t * __restrict, 188 siginfo_t * __restrict, const struct timespec * __restrict) 189 __RENAME(__sigtimedwait50); 190 int __sigtimedwait(const sigset_t * __restrict, 191 siginfo_t * __restrict, struct timespec * __restrict) 192 __RENAME(____sigtimedwait50); 193 #endif 194 #endif /* _POSIX_C_SOURCE >= 200112 || _XOPEN_SOURCE_EXTENDED || ... */ 195 196 197 #if defined(_NETBSD_SOURCE) 198 #ifndef __PSIGNAL_DECLARED 199 #define __PSIGNAL_DECLARED 200 /* also in unistd.h */ 201 void psignal(int, const char *); 202 #endif /* __PSIGNAL_DECLARED */ 203 int sigblock(int); 204 int sigsetmask(int); 205 #endif /* _NETBSD_SOURCE */ 206 207 #endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */ 208 __END_DECLS 209 210 #endif /* !_SIGNAL_H_ */ 211
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