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 * Copyright 2014 Garrett D'Amore <garrett@damore.org> 27 * 28 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 29 * Use is subject to license terms. 30 */ 31 32 #ifndef _SIGNAL_H 33 #define _SIGNAL_H 34 35 #include <sys/feature_tests.h> 36 37 #if defined(__EXTENSIONS__) || !defined(_STRICT_STDC) || \ 38 defined(__XOPEN_OR_POSIX) 39 #include <sys/types.h> /* need pid_t/uid_t/size_t/clock_t/caddr_t/pthread_t */ 40 #endif 41 42 #include <iso/signal_iso.h> 43 #include <sys/signal.h> 44 45 /* 46 * Allow global visibility for symbols defined in 47 * C++ "std" namespace in <iso/signal_iso.h>. 48 */ 49 #if __cplusplus >= 199711L 50 using std::sig_atomic_t; 51 using std::signal; 52 using std::raise; 53 #endif 54 55 #ifdef __cplusplus 56 extern "C" { 57 #endif 58 59 60 extern const char **_sys_siglistp; /* signal descriptions */ 61 extern const int _sys_siglistn; /* # of signal descriptions */ 62 63 #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) 64 #define _sys_siglist _sys_siglistp 65 #define _sys_nsig _sys_siglistn 66 #endif 67 68 #if defined(__EXTENSIONS__) || !defined(_STRICT_STDC) || \ 69 defined(__XOPEN_OR_POSIX) 70 extern int kill(pid_t, int); 71 extern int sigaction(int, const struct sigaction *_RESTRICT_KYWD, 72 struct sigaction *_RESTRICT_KYWD); 73 #ifndef _KERNEL 74 extern int sigaddset(sigset_t *, int); 75 extern int sigdelset(sigset_t *, int); 76 extern int sigemptyset(sigset_t *); 77 extern int sigfillset(sigset_t *); 78 extern int sigismember(const sigset_t *, int); 79 #endif 80 extern int sigpending(sigset_t *); 81 extern int sigprocmask(int, const sigset_t *_RESTRICT_KYWD, 82 sigset_t *_RESTRICT_KYWD); 83 extern int sigsuspend(const sigset_t *); 84 #endif /* defined(__EXTENSIONS__) || !defined(_STRICT_STDC)... */ 85 86 #if defined(__EXTENSIONS__) || (!defined(_STRICT_STDC) && \ 87 !defined(__XOPEN_OR_POSIX)) 88 #include <sys/procset.h> 89 extern int gsignal(int); 90 extern int (*ssignal(int, int (*)(int)))(int); 91 extern int sigsend(idtype_t, id_t, int); 92 extern int sigsendset(const procset_t *, int); 93 extern int sig2str(int, char *); 94 extern int str2sig(const char *, int *); 95 #define SIG2STR_MAX 32 96 #endif /* defined(__EXTENSIONS__) || (!defined(_STRICT_STDC)... */ 97 98 #if defined(__EXTENSIONS__) || (!defined(_STRICT_STDC) && \ 99 !defined(__XOPEN_OR_POSIX)) || defined(_XPG4_2) 100 extern void (*bsd_signal(int, void (*)(int)))(int); 101 extern int killpg(pid_t, int); 102 extern int siginterrupt(int, int); 103 extern int sigaltstack(const stack_t *_RESTRICT_KYWD, stack_t *_RESTRICT_KYWD); 104 extern int sighold(int); 105 extern int sigignore(int); 106 extern int sigpause(int); 107 extern int sigrelse(int); 108 extern void (*sigset(int, void (*)(int)))(int); 109 #endif /* defined(__EXTENSIONS__) || (!defined(_STRICT_STDC) && ... */ 110 111 /* Marked as LEGACY in SUSv2 and removed in SUSv3 */ 112 #if defined(__EXTENSIONS__) || \ 113 (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \ 114 (defined(_XPG4_2) && !defined(_XPG6)) 115 extern int sigstack(struct sigstack *, struct sigstack *); 116 #endif 117 118 #if defined(__EXTENSIONS__) || (!defined(_STRICT_STDC) && \ 119 !defined(__XOPEN_OR_POSIX)) || (_POSIX_C_SOURCE > 2) 120 #include <sys/siginfo.h> 121 #include <time.h> 122 extern int pthread_kill(pthread_t, int); 123 extern int pthread_sigmask(int, const sigset_t *_RESTRICT_KYWD, 124 sigset_t *_RESTRICT_KYWD); 125 extern int sigwaitinfo(const sigset_t *_RESTRICT_KYWD, 126 siginfo_t *_RESTRICT_KYWD); 127 extern int sigtimedwait(const sigset_t *_RESTRICT_KYWD, 128 siginfo_t *_RESTRICT_KYWD, const struct timespec *_RESTRICT_KYWD); 129 extern int sigqueue(pid_t, int, const union sigval); 130 #endif /* defined(__EXTENSIONS__) || (!defined(_STRICT_STDC) && */ 131 132 /* 133 * sigwait() prototype is defined here. 134 */ 135 136 #if defined(__EXTENSIONS__) || (!defined(_STRICT_STDC) && \ 137 !defined(__XOPEN_OR_POSIX)) || (_POSIX_C_SOURCE - 0 >= 199506L) || \ 138 defined(_POSIX_PTHREAD_SEMANTICS) 139 140 #if (_POSIX_C_SOURCE - 0 >= 199506L) || defined(_POSIX_PTHREAD_SEMANTICS) 141 142 #ifdef __PRAGMA_REDEFINE_EXTNAME 143 #pragma redefine_extname sigwait __posix_sigwait 144 extern int sigwait(const sigset_t *_RESTRICT_KYWD, int *_RESTRICT_KYWD); 145 #else /* __PRAGMA_REDEFINE_EXTNAME */ 146 147 extern int __posix_sigwait(const sigset_t *_RESTRICT_KYWD, 148 int *_RESTRICT_KYWD); 149 150 #ifdef __lint 151 #define sigwait __posix_sigwait 152 #else /* !__lint */ 153 154 static int 155 sigwait(const sigset_t *_RESTRICT_KYWD __setp, int *_RESTRICT_KYWD __signo) 156 { 157 return (__posix_sigwait(__setp, __signo)); 158 } 159 160 #endif /* !__lint */ 161 #endif /* __PRAGMA_REDEFINE_EXTNAME */ 162 163 #else /* (_POSIX_C_SOURCE - 0 >= 199506L) || ... */ 164 165 extern int sigwait(sigset_t *); 166 167 #endif /* (_POSIX_C_SOURCE - 0 >= 199506L) || ... */ 168 169 #endif /* defined(__EXTENSIONS__) || (!defined(_STRICT_STDC) ... */ 170 171 #ifdef __cplusplus 172 } 173 #endif 174 175 #endif /* _SIGNAL_H */ 176