1 /*- 2 * Copyright (c) 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)signal.h 8.3 (Berkeley) 3/30/94 30 * $FreeBSD$ 31 */ 32 33 #ifndef _SIGNAL_H_ 34 #define _SIGNAL_H_ 35 36 #include <sys/cdefs.h> 37 #include <sys/_types.h> 38 #include <sys/signal.h> 39 40 #if __BSD_VISIBLE 41 /* 42 * XXX should enlarge these, if only to give empty names instead of bounds 43 * errors for large signal numbers. 44 */ 45 extern __const char *__const sys_signame[NSIG]; 46 extern __const char *__const sys_siglist[NSIG]; 47 extern __const int sys_nsig; 48 #endif 49 50 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE 51 #ifndef _PID_T_DECLARED 52 typedef __pid_t pid_t; 53 #define _PID_T_DECLARED 54 #endif 55 #endif 56 57 #if __POSIX_VISIBLE || __XSI_VISIBLE 58 struct pthread; /* XXX */ 59 typedef struct pthread *__pthread_t; 60 #if !defined(_PTHREAD_T_DECLARED) && __POSIX_VISIBLE >= 200809 61 typedef __pthread_t pthread_t; 62 #define _PTHREAD_T_DECLARED 63 #endif 64 #endif /* __POSIX_VISIBLE || __XSI_VISIBLE */ 65 66 __BEGIN_DECLS 67 int raise(int); 68 69 #if __POSIX_VISIBLE || __XSI_VISIBLE 70 int kill(__pid_t, int); 71 int pthread_kill(__pthread_t, int); 72 int pthread_sigmask(int, const __sigset_t *, __sigset_t *); 73 int sigaction(int, const struct sigaction * __restrict, 74 struct sigaction * __restrict); 75 int sigaddset(sigset_t *, int); 76 int sigdelset(sigset_t *, int); 77 int sigemptyset(sigset_t *); 78 int sigfillset(sigset_t *); 79 int sigismember(const sigset_t *, int); 80 int sigpending(sigset_t *); 81 int sigprocmask(int, const sigset_t * __restrict, sigset_t * __restrict); 82 int sigsuspend(const sigset_t *); 83 int sigwait(const sigset_t * __restrict, int * __restrict); 84 #endif 85 86 #if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE >= 600 87 int sigqueue(__pid_t, int, const union sigval); 88 89 struct timespec; 90 int sigtimedwait(const sigset_t * __restrict, siginfo_t * __restrict, 91 const struct timespec * __restrict); 92 int sigwaitinfo(const sigset_t * __restrict, siginfo_t * __restrict); 93 #endif 94 95 #if __XSI_VISIBLE 96 int killpg(__pid_t, int); 97 int sigaltstack(const stack_t * __restrict, stack_t * __restrict); 98 int sighold(int); 99 int sigignore(int); 100 int sigpause(int); 101 int sigrelse(int); 102 void (*sigset(int, void (*)(int)))(int); 103 int xsi_sigpause(int); 104 #endif 105 106 #if __XSI_VISIBLE >= 600 107 int siginterrupt(int, int); 108 #endif 109 110 #if __POSIX_VISIBLE >= 200809 || __BSD_VISIBLE 111 void psignal(unsigned int, const char *); 112 #endif 113 114 #if __BSD_VISIBLE 115 int sigblock(int); 116 struct __ucontext; /* XXX spec requires a complete declaration. */ 117 int sigreturn(const struct __ucontext *); 118 int sigsetmask(int); 119 int sigstack(const struct sigstack *, struct sigstack *); 120 int sigvec(int, struct sigvec *, struct sigvec *); 121 #endif 122 __END_DECLS 123 124 #endif /* !_SIGNAL_H_ */ 125