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: stable/11/include/signal.h 355898 2019-12-19 02:09:16Z kevans $ 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 */ 51extern const char * const sys_signame[NSIG]; 52extern const char * const sys_siglist[NSIG]; 53extern const int sys_nsig; 54#endif 55 56#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE 57#ifndef _PID_T_DECLARED 58typedef __pid_t pid_t; 59#define _PID_T_DECLARED 60#endif 61#endif 62 63#if __POSIX_VISIBLE || __XSI_VISIBLE 64struct pthread; /* XXX */ 65typedef struct pthread *__pthread_t; 66#if !defined(_PTHREAD_T_DECLARED) && __POSIX_VISIBLE >= 200809 67typedef __pthread_t pthread_t; 68#define _PTHREAD_T_DECLARED 69#endif 70#endif /* __POSIX_VISIBLE || __XSI_VISIBLE */ 71 72__BEGIN_DECLS 73int raise(int); 74 75#if __POSIX_VISIBLE || __XSI_VISIBLE 76int kill(__pid_t, int); 77int pthread_kill(__pthread_t, int); 78int pthread_sigmask(int, const __sigset_t * __restrict, 79 __sigset_t * __restrict); 80int sigaction(int, const struct sigaction * __restrict, 81 struct sigaction * __restrict); 82int sigaddset(sigset_t *, int); 83int sigdelset(sigset_t *, int); 84int sigemptyset(sigset_t *); 85int sigfillset(sigset_t *); 86int sigismember(const sigset_t *, int); 87int sigpending(sigset_t * _Nonnull); 88int sigprocmask(int, const sigset_t * __restrict, sigset_t * __restrict); 89int sigsuspend(const sigset_t * _Nonnull); 90int sigwait(const sigset_t * _Nonnull __restrict, 91 int * _Nonnull __restrict); 92#endif 93 94#if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE >= 600 95int sigqueue(__pid_t, int, const union sigval); 96 97struct timespec; 98int sigtimedwait(const sigset_t * __restrict, siginfo_t * __restrict, 99 const struct timespec * __restrict); 100int sigwaitinfo(const sigset_t * __restrict, siginfo_t * __restrict); 101#endif 102 103#if __XSI_VISIBLE 104int killpg(__pid_t, int); 105int sigaltstack(const stack_t * __restrict, stack_t * __restrict); 106int sighold(int); 107int sigignore(int); 108int sigpause(int); 109int sigrelse(int); 110void (* _Nullable sigset(int, void (* _Nullable)(int)))(int); 111int xsi_sigpause(int); 112#endif 113 114#if __XSI_VISIBLE >= 600 115int siginterrupt(int, int); 116#endif 117 118#if __POSIX_VISIBLE >= 200809 119void psignal(int, const char *); 120#endif 121 122#if __BSD_VISIBLE 123int sigandset(sigset_t *dest, const sigset_t *left, const sigset_t *right); 124int sigblock(int); 125int sigisemptyset(const sigset_t *set); 126int sigorset(sigset_t *dest, const sigset_t *left, const sigset_t *right); 127int sigreturn(const struct __ucontext *); 128int sigsetmask(int); 129int sigstack(const struct sigstack *, struct sigstack *); 130int sigvec(int, struct sigvec *, struct sigvec *); 131#endif 132__END_DECLS 133__NULLABILITY_PRAGMA_POP 134 135#endif /* !_SIGNAL_H_ */ 136