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 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE 40 #include <machine/ucontext.h> 41 #include <sys/_ucontext.h> 42 #endif 43 44 #if __BSD_VISIBLE 45 /* 46 * XXX should enlarge these, if only to give empty names instead of bounds 47 * errors for large signal numbers. 48 */ 49 extern const char * const sys_signame[NSIG]; 50 extern const char * const sys_siglist[NSIG]; 51 extern const int sys_nsig; 52 #endif 53 54 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE 55 #ifndef _PID_T_DECLARED 56 typedef __pid_t pid_t; 57 #define _PID_T_DECLARED 58 #endif 59 #endif 60 61 #if __POSIX_VISIBLE || __XSI_VISIBLE 62 struct pthread; /* XXX */ 63 typedef struct pthread *__pthread_t; 64 #if !defined(_PTHREAD_T_DECLARED) && __POSIX_VISIBLE >= 200809 65 typedef __pthread_t pthread_t; 66 #define _PTHREAD_T_DECLARED 67 #endif 68 #endif /* __POSIX_VISIBLE || __XSI_VISIBLE */ 69 70 __BEGIN_DECLS 71 int raise(int); 72 73 #if __POSIX_VISIBLE || __XSI_VISIBLE 74 int kill(__pid_t, int); 75 int pthread_kill(__pthread_t, int); 76 int pthread_sigmask(int, const __sigset_t * __restrict, 77 __sigset_t * __restrict); 78 int sigaction(int, const struct sigaction * __restrict, 79 struct sigaction * __restrict); 80 int sigaddset(sigset_t *, int); 81 int sigdelset(sigset_t *, int); 82 int sigemptyset(sigset_t *); 83 int sigfillset(sigset_t *); 84 int sigismember(const sigset_t *, int); 85 int sigpending(sigset_t *) __nonnull(1); 86 int sigprocmask(int, const sigset_t * __restrict, sigset_t * __restrict); 87 int sigsuspend(const sigset_t *) __nonnull(1); 88 int sigwait(const sigset_t * __restrict, int * __restrict) __nonnull_all; 89 #endif 90 91 #if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE >= 600 92 int sigqueue(__pid_t, int, const union sigval); 93 94 struct timespec; 95 int sigtimedwait(const sigset_t * __restrict, siginfo_t * __restrict, 96 const struct timespec * __restrict); 97 int sigwaitinfo(const sigset_t * __restrict, siginfo_t * __restrict); 98 #endif 99 100 #if __XSI_VISIBLE 101 int killpg(__pid_t, int); 102 int sigaltstack(const stack_t * __restrict, stack_t * __restrict); 103 int sighold(int); 104 int sigignore(int); 105 int sigpause(int); 106 int sigrelse(int); 107 void (*sigset(int, void (*)(int)))(int); 108 int xsi_sigpause(int); 109 #endif 110 111 #if __XSI_VISIBLE >= 600 112 int siginterrupt(int, int); 113 #endif 114 115 #if __POSIX_VISIBLE >= 200809 116 void psignal(unsigned int, const char *); 117 #endif 118 119 #if __BSD_VISIBLE 120 int sigblock(int); 121 int sigreturn(const struct __ucontext *); 122 int sigsetmask(int); 123 int sigstack(const struct sigstack *, struct sigstack *); 124 int sigvec(int, struct sigvec *, struct sigvec *); 125 #endif 126 __END_DECLS 127 128 #endif /* !_SIGNAL_H_ */ 129