1 /* $NetBSD: signal.h,v 1.60 2024/09/09 21:19:54 rillig 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 __BEGIN_DECLS 48 #if defined(_NETBSD_SOURCE) 49 extern const char *const *sys_signame __RENAME(__sys_signame14); 50 #ifndef __SYS_SIGLIST_DECLARED 51 #define __SYS_SIGLIST_DECLARED 52 /* also in unistd.h */ 53 extern const char *const *sys_siglist __RENAME(__sys_siglist14); 54 #endif /* __SYS_SIGLIST_DECLARED */ 55 extern const int sys_nsig __RENAME(__sys_nsig14); 56 #endif 57 58 int raise(int); 59 60 #if defined(_NETBSD_SOURCE) 61 const char *signalname(int); 62 int signalnext(int); 63 int signalnumber(const char *); 64 #endif 65 66 #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \ 67 defined(_NETBSD_SOURCE) 68 int kill(pid_t, int); 69 int __sigaction_siginfo(int, const struct sigaction * __restrict, 70 struct sigaction * __restrict); 71 72 #if (_POSIX_C_SOURCE - 0L) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \ 73 defined(_NETBSD_SOURCE) 74 int pthread_sigmask(int, const sigset_t * __restrict, 75 sigset_t * __restrict); 76 int pthread_kill(pthread_t, int); 77 int __libc_thr_sigsetmask(int, const sigset_t * __restrict, 78 sigset_t * __restrict); 79 #ifndef __LIBPTHREAD_SOURCE__ 80 #define pthread_sigmask __libc_thr_sigsetmask 81 #endif /* __LIBPTHREAD_SOURCE__ */ 82 #endif 83 84 #ifndef __LIBC12_SOURCE__ 85 int sigaction(int, const struct sigaction * __restrict, 86 struct sigaction * __restrict) __RENAME(__sigaction_siginfo); 87 int sigaddset(sigset_t *, int) __RENAME(__sigaddset14); 88 int sigdelset(sigset_t *, int) __RENAME(__sigdelset14); 89 int sigemptyset(sigset_t *) __RENAME(__sigemptyset14); 90 int sigfillset(sigset_t *) __RENAME(__sigfillset14); 91 int sigismember(const sigset_t *, int) __RENAME(__sigismember14); 92 int sigpending(sigset_t *) __RENAME(__sigpending14); 93 int sigprocmask(int, const sigset_t * __restrict, sigset_t * __restrict) 94 __RENAME(__sigprocmask14); 95 int sigsuspend(const sigset_t *) __RENAME(__sigsuspend14); 96 97 #if defined(__c99inline) || defined(__SIGSETOPS_BODY) 98 99 #if defined(__SIGSETOPS_BODY) 100 #undef __c99inline 101 #define __c99inline 102 #endif 103 104 /* note: this appears in both errno.h and signal.h */ 105 #ifndef __errno 106 int *__errno(void); 107 #define __errno __errno 108 #endif 109 110 /* the same as "errno" - but signal.h is not allowed to define that */ 111 #ifndef ___errno 112 #define ___errno (*__errno()) 113 #endif 114 115 __c99inline int 116 sigaddset(sigset_t *set, int signo) 117 { 118 if (signo <= 0 || signo >= _NSIG) { 119 ___errno = 22; /* EINVAL */ 120 return (-1); 121 } 122 __sigaddset(set, signo); 123 return (0); 124 } 125 126 __c99inline int 127 sigdelset(sigset_t *set, int signo) 128 { 129 if (signo <= 0 || signo >= _NSIG) { 130 ___errno = 22; /* EINVAL */ 131 return (-1); 132 } 133 __sigdelset(set, signo); 134 return (0); 135 } 136 137 __c99inline int 138 sigismember(const sigset_t *set, int signo) 139 { 140 if (signo <= 0 || signo >= _NSIG) { 141 ___errno = 22; /* EINVAL */ 142 return (-1); 143 } 144 return (__sigismember(set, signo)); 145 } 146 147 __c99inline int 148 sigemptyset(sigset_t *set) 149 { 150 __sigemptyset(set); 151 return (0); 152 } 153 154 __c99inline int 155 sigfillset(sigset_t *set) 156 { 157 __sigfillset(set); 158 return (0); 159 } 160 #endif /* __c99inline */ 161 #endif /* !__LIBC12_SOURCE__ */ 162 163 /* 164 * X/Open CAE Specification Issue 4 Version 2 165 */ 166 #if (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ 167 (_XOPEN_SOURCE - 0) >= 500 || (_POSIX_C_SOURCE - 0) >= 200809L || \ 168 defined(_NETBSD_SOURCE) 169 int killpg(pid_t, int); 170 int siginterrupt(int, int); 171 int sigstack(const struct sigstack *, struct sigstack *); 172 #ifndef __LIBC12_SOURCE__ 173 int sigaltstack(const stack_t * __restrict, stack_t * __restrict) 174 __RENAME(__sigaltstack14); 175 #endif 176 int sighold(int); 177 int sigignore(int); 178 int sigpause(int); 179 int sigrelse(int); 180 void (*sigset (int, void (*)(int)))(int); 181 #endif /* _XOPEN_SOURCE_EXTENDED || _XOPEN_SOURCE >= 500 182 * || _POSIX_C_SOURCE >= 200809L || _NETBSD_SOURCE 183 */ 184 185 186 /* 187 * X/Open CAE Specification Issue 5; IEEE Std 1003.1b-1993 (POSIX) 188 */ 189 #if (_POSIX_C_SOURCE - 0) >= 199309L || (_XOPEN_SOURCE - 0) >= 500 || \ 190 defined(_NETBSD_SOURCE) 191 int sigwait (const sigset_t * __restrict, int * __restrict); 192 int sigwaitinfo(const sigset_t * __restrict, siginfo_t * __restrict); 193 void psiginfo(const siginfo_t *, const char *); 194 195 #ifndef __LIBC12_SOURCE__ 196 #include <sys/timespec.h> 197 int sigtimedwait(const sigset_t * __restrict, 198 siginfo_t * __restrict, const struct timespec * __restrict) 199 __RENAME(__sigtimedwait50); 200 int __sigtimedwait(const sigset_t * __restrict, 201 siginfo_t * __restrict, struct timespec * __restrict) 202 __RENAME(____sigtimedwait50); 203 #endif 204 #endif /* _POSIX_C_SOURCE >= 199309L || _XOPEN_SOURCE_EXTENDED || ... */ 205 206 207 #if defined(_NETBSD_SOURCE) 208 #ifndef __PSIGNAL_DECLARED 209 #define __PSIGNAL_DECLARED 210 /* also in unistd.h */ 211 void psignal(int, const char *); 212 #endif /* __PSIGNAL_DECLARED */ 213 int sigblock(int); 214 int sigsetmask(int); 215 #endif /* _NETBSD_SOURCE */ 216 217 int __sigtramp_check_np(void *); 218 219 #endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */ 220 __END_DECLS 221 222 #endif /* !_SIGNAL_H_ */ 223
Indexes created Sat Sep 20 22:09:52 GMT 2025