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 __NULLABILITY_PRAGMA_PUSH 45 46 #if __BSD_VISIBLE 47 /* 48 * XXX should enlarge these, if only to give empty names instead of bounds 49 * errors for large signal numbers. 50 */ 51 extern const char * const sys_signame[NSIG]; 52 extern const char * const sys_siglist[NSIG]; 53 extern const int sys_nsig; 54 #endif 55 56 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE 57 #ifndef _PID_T_DECLARED 58 typedef __pid_t pid_t; 59 #define _PID_T_DECLARED 60 #endif 61 #endif 62 63 #if __POSIX_VISIBLE || __XSI_VISIBLE 64 struct pthread; /* XXX */ 65 typedef struct pthread *__pthread_t; 66 #if !defined(_PTHREAD_T_DECLARED) && __POSIX_VISIBLE >= 200809 67 typedef __pthread_t pthread_t; 68 #define _PTHREAD_T_DECLARED 69 #endif 70 #endif /* __POSIX_VISIBLE || __XSI_VISIBLE */ 71 72 __BEGIN_DECLS 73 int raise(int); 74 75 #if __POSIX_VISIBLE || __XSI_VISIBLE 76 int kill(__pid_t, int); 77 int pthread_kill(__pthread_t, int); 78 int pthread_sigmask(int, const __sigset_t * __restrict, 79 __sigset_t * __restrict); 80 int sigaction(int, const struct sigaction * __restrict, 81 struct sigaction * __restrict); 82 int sigaddset(sigset_t *, int); 83 int sigdelset(sigset_t *, int); 84 int sigemptyset(sigset_t *); 85 int sigfillset(sigset_t *); 86 int sigismember(const sigset_t *, int); 87 int sigpending(sigset_t * _Nonnull); 88 int sigprocmask(int, const sigset_t * __restrict, sigset_t * __restrict); 89 int sigsuspend(const sigset_t * _Nonnull); 90 int sigwait(const sigset_t * _Nonnull __restrict, 91 int * _Nonnull __restrict); 92 #endif 93 94 #if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE >= 600 95 int sigqueue(__pid_t, int, const union sigval); 96 97 struct timespec; 98 int sigtimedwait(const sigset_t * __restrict, siginfo_t * __restrict, 99 const struct timespec * __restrict); 100 int sigwaitinfo(const sigset_t * __restrict, siginfo_t * __restrict); 101 #endif 102 103 #if __XSI_VISIBLE 104 int killpg(__pid_t, int); 105 int sigaltstack(const stack_t * __restrict, stack_t * __restrict); 106 int sighold(int); 107 int sigignore(int); 108 int sigpause(int); 109 int sigrelse(int); 110 void (* _Nullable sigset(int, void (* _Nullable)(int)))(int); 111 int xsi_sigpause(int); 112 #endif 113 114 #if __XSI_VISIBLE >= 600 115 int siginterrupt(int, int); 116 #endif 117 118 #if __POSIX_VISIBLE >= 200809 119 void psignal(int, const char *); 120 #endif 121 122 #if __BSD_VISIBLE 123 int sigblock(int); 124 int sigreturn(const struct __ucontext *); 125 int sigsetmask(int); 126 int sigstack(const struct sigstack *, struct sigstack *); 127 int sigvec(int, struct sigvec *, struct sigvec *); 128 #endif 129 __END_DECLS 130 __NULLABILITY_PRAGMA_POP 131 132 #endif /* !_SIGNAL_H_ */ 133