1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22/* Copyright (c) 1988 AT&T */ 23/* All Rights Reserved */ 24 25 26/* 27 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 28 * Use is subject to license terms. 29 */ 30 31#ifndef _SIGNAL_H 32#define _SIGNAL_H 33 34#pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.5.3.4 */ 35 36#include <sys/feature_tests.h> 37 38#if defined(__EXTENSIONS__) || !defined(_STRICT_STDC) || \ 39 defined(__XOPEN_OR_POSIX) 40#include <sys/types.h> /* need pid_t/uid_t/size_t/clock_t/caddr_t/pthread_t */ 41#endif 42 43#include <iso/signal_iso.h> 44#include <sys/signal.h> 45 46/* 47 * Allow global visibility for symbols defined in 48 * C++ "std" namespace in <iso/signal_iso.h>. 49 */ 50#if __cplusplus >= 199711L 51using std::sig_atomic_t; 52using std::signal; 53using std::raise; 54#endif 55 56#ifdef __cplusplus 57extern "C" { 58#endif 59 60 61#if defined(__STDC__) 62 63extern const char **_sys_siglistp; /* signal descriptions */ 64extern const int _sys_siglistn; /* # of signal descriptions */ 65 66#if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) 67#define _sys_siglist _sys_siglistp 68#define _sys_nsig _sys_siglistn 69#endif 70 71#if defined(__EXTENSIONS__) || !defined(_STRICT_STDC) || \ 72 defined(__XOPEN_OR_POSIX) 73extern int kill(pid_t, int); 74extern int sigaction(int, const struct sigaction *_RESTRICT_KYWD, 75 struct sigaction *_RESTRICT_KYWD); 76#ifndef _KERNEL 77extern int sigaddset(sigset_t *, int); 78extern int sigdelset(sigset_t *, int); 79extern int sigemptyset(sigset_t *); 80extern int sigfillset(sigset_t *); 81extern int sigismember(const sigset_t *, int); 82#endif 83extern int sigpending(sigset_t *); 84extern int sigprocmask(int, const sigset_t *_RESTRICT_KYWD, 85 sigset_t *_RESTRICT_KYWD); 86extern int sigsuspend(const sigset_t *); 87#endif /* defined(__EXTENSIONS__) || !defined(_STRICT_STDC)... */ 88 89#if defined(__EXTENSIONS__) || (!defined(_STRICT_STDC) && \ 90 !defined(__XOPEN_OR_POSIX)) 91#include <sys/procset.h> 92extern int gsignal(int); 93extern int (*ssignal(int, int (*)(int)))(int); 94extern int sigsend(idtype_t, id_t, int); 95extern int sigsendset(const procset_t *, int); 96extern int sig2str(int, char *); 97extern int str2sig(const char *, int *); 98#define SIG2STR_MAX 32 99#endif /* defined(__EXTENSIONS__) || (!defined(_STRICT_STDC)... */ 100 101#if defined(__EXTENSIONS__) || (!defined(_STRICT_STDC) && \ 102 !defined(__XOPEN_OR_POSIX)) || defined(_XPG4_2) 103extern void (*bsd_signal(int, void (*)(int)))(int); 104extern int killpg(pid_t, int); 105extern int siginterrupt(int, int); 106extern int sigaltstack(const stack_t *_RESTRICT_KYWD, stack_t *_RESTRICT_KYWD); 107extern int sighold(int); 108extern int sigignore(int); 109extern int sigpause(int); 110extern int sigrelse(int); 111extern void (*sigset(int, void (*)(int)))(int); 112#endif /* defined(__EXTENSIONS__) || (!defined(_STRICT_STDC) && ... */ 113 114/* Marked as LEGACY in SUSv2 and removed in SUSv3 */ 115#if defined(__EXTENSIONS__) || \ 116 (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \ 117 (defined(_XPG4_2) && !defined(_XPG6)) 118extern int sigstack(struct sigstack *, struct sigstack *); 119#endif 120 121#if defined(__EXTENSIONS__) || (!defined(_STRICT_STDC) && \ 122 !defined(__XOPEN_OR_POSIX)) || (_POSIX_C_SOURCE > 2) 123#include <sys/siginfo.h> 124#include <time.h> 125extern int pthread_kill(pthread_t, int); 126extern int pthread_sigmask(int, const sigset_t *_RESTRICT_KYWD, 127 sigset_t *_RESTRICT_KYWD); 128extern int sigwaitinfo(const sigset_t *_RESTRICT_KYWD, 129 siginfo_t *_RESTRICT_KYWD); 130extern int sigtimedwait(const sigset_t *_RESTRICT_KYWD, 131 siginfo_t *_RESTRICT_KYWD, const struct timespec *_RESTRICT_KYWD); 132extern int sigqueue(pid_t, int, const union sigval); 133#endif /* defined(__EXTENSIONS__) || (!defined(_STRICT_STDC) && */ 134 135#else /* __STDC__ */ 136 137extern char **_sys_siglistp; /* signal descriptions */ 138extern int _sys_siglistn; /* # of signal descriptions */ 139 140#if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) 141#define _sys_siglist _sys_siglistp 142#define _sys_nsig _sys_siglistn 143#endif 144 145#if defined(__EXTENSIONS__) || defined(__XOPEN_OR_POSIX) 146extern int kill(); 147extern int sigaction(); 148#ifndef _KERNEL 149extern int sigaddset(); 150extern int sigdelset(); 151extern int sigemptyset(); 152extern int sigfillset(); 153extern int sigismember(); 154#endif 155extern int sigpending(); 156extern int sigprocmask(); 157extern int sigsuspend(); 158#endif /* defined(__EXTENSIONS__)... */ 159 160#if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \ 161 defined(_XPG4_2) 162extern void (*bsd_signal())(); 163extern int killpg(); 164extern int siginterrupt(); 165#endif /* defined(__EXTENSIONS__) ... */ 166 167#if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \ 168 (defined(_XPG4_2) && !defined(_XPG6)) 169extern int sigstack(); 170#endif 171 172#if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) 173extern int gsignal(); 174extern int (*ssignal)(); 175extern int sigsend(); 176extern int sigsendset(); 177extern int sig2str(); 178extern int str2sig(); 179#define SIG2STR_MAX 32 180#endif 181 182#if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \ 183 defined(_XPG4_2) 184extern int sigaltstack(); 185extern int sighold(); 186extern int sigignore(); 187extern int sigpause(); 188extern int sigrelse(); 189extern void (*sigset())(); 190#endif 191 192#if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \ 193 (_POSIX_C_SOURCE > 2) 194#include <sys/siginfo.h> 195#include <sys/time.h> 196extern int pthread_kill(); 197extern int pthread_sigmask(); 198extern int sigwaitinfo(); 199extern int sigtimedwait(); 200extern int sigqueue(); 201#endif 202 203#endif /* __STDC__ */ 204 205/* 206 * sigwait() prototype is defined here. 207 */ 208 209#if defined(__EXTENSIONS__) || (!defined(_STRICT_STDC) && \ 210 !defined(__XOPEN_OR_POSIX)) || (_POSIX_C_SOURCE - 0 >= 199506L) || \ 211 defined(_POSIX_PTHREAD_SEMANTICS) 212 213#if defined(__STDC__) 214 215#if (_POSIX_C_SOURCE - 0 >= 199506L) || defined(_POSIX_PTHREAD_SEMANTICS) 216 217#ifdef __PRAGMA_REDEFINE_EXTNAME 218#pragma redefine_extname sigwait __posix_sigwait 219extern int sigwait(const sigset_t *_RESTRICT_KYWD, int *_RESTRICT_KYWD); 220#else /* __PRAGMA_REDEFINE_EXTNAME */ 221 222extern int __posix_sigwait(const sigset_t *_RESTRICT_KYWD, 223 int *_RESTRICT_KYWD); 224 225#ifdef __lint 226#define sigwait __posix_sigwait 227#else /* !__lint */ 228 229static int 230sigwait(const sigset_t *_RESTRICT_KYWD __setp, int *_RESTRICT_KYWD __signo) 231{ 232 return (__posix_sigwait(__setp, __signo)); 233} 234 235#endif /* !__lint */ 236#endif /* __PRAGMA_REDEFINE_EXTNAME */ 237 238#else /* (_POSIX_C_SOURCE - 0 >= 199506L) || ... */ 239 240extern int sigwait(sigset_t *); 241 242#endif /* (_POSIX_C_SOURCE - 0 >= 199506L) || ... */ 243 244 245#else /* __STDC__ */ 246 247 248#if (_POSIX_C_SOURCE - 0 >= 199506L) || defined(_POSIX_PTHREAD_SEMANTICS) 249 250#ifdef __PRAGMA_REDEFINE_EXTNAME 251#pragma redefine_extname sigwait __posix_sigwait 252extern int sigwait(); 253#else /* __PRAGMA_REDEFINE_EXTNAME */ 254 255extern int __posix_sigwait(); 256 257#ifdef __lint 258#define sigwait __posix_sigwait 259#else /* !__lint */ 260 261static int 262sigwait(__setp, __signo) 263 sigset_t *__setp; 264 int *__signo; 265{ 266 return (__posix_sigwait(__setp, __signo)); 267} 268 269#endif /* !__lint */ 270#endif /* __PRAGMA_REDEFINE_EXTNAME */ 271 272#else /* (_POSIX_C_SOURCE - 0 >= 199506L) || ... */ 273 274extern int sigwait(); 275 276#endif /* (_POSIX_C_SOURCE - 0 >= 199506L) || ... */ 277 278#endif /* __STDC__ */ 279 280#endif /* defined(__EXTENSIONS__) || (!defined(_STRICT_STDC) ... */ 281 282#ifdef __cplusplus 283} 284#endif 285 286#endif /* _SIGNAL_H */ 287