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Diffstat (limited to 'include/signal.h')
| -rw-r--r-- | include/signal.h | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/include/signal.h b/include/signal.h new file mode 100644 index 000000000000..9247aff56879 --- /dev/null +++ b/include/signal.h @@ -0,0 +1,148 @@ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef _SIGNAL_H_ +#define _SIGNAL_H_ + +#include <sys/cdefs.h> +#include <sys/_types.h> +#include <sys/signal.h> +#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE +#include <machine/ucontext.h> +#include <sys/_ucontext.h> +#endif + +#if __POSIX_VISIBLE >= 202405 || __BSD_VISIBLE +#define SIG2STR_MAX 32 /* size of buffer required for sig2str() */ +#endif + +__NULLABILITY_PRAGMA_PUSH + +#if __BSD_VISIBLE +/* + * XXX should enlarge these, if only to give empty names instead of bounds + * errors for large signal numbers. + */ +extern const char * const sys_signame[NSIG]; +extern const char * const sys_siglist[NSIG]; +extern const int sys_nsig; +#endif + +#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE +#ifndef _PID_T_DECLARED +typedef __pid_t pid_t; +#define _PID_T_DECLARED +#endif +#endif + +#if __POSIX_VISIBLE || __XSI_VISIBLE +struct pthread; /* XXX */ +typedef struct pthread *__pthread_t; +#if !defined(_PTHREAD_T_DECLARED) && __POSIX_VISIBLE >= 200809 +typedef __pthread_t pthread_t; +#define _PTHREAD_T_DECLARED +#endif +#endif /* __POSIX_VISIBLE || __XSI_VISIBLE */ + +#if !defined(_STANDALONE) && defined(_FORTIFY_SOURCE) && _FORTIFY_SOURCE > 0 +#include <ssp/signal.h> +#endif + +__BEGIN_DECLS +int raise(int); + +#if __POSIX_VISIBLE || __XSI_VISIBLE +int kill(__pid_t, int); +int pthread_kill(__pthread_t, int); +int pthread_sigmask(int, const __sigset_t * __restrict, + __sigset_t * __restrict); +int sigaction(int, const struct sigaction * __restrict, + struct sigaction * __restrict); +int sigaddset(sigset_t *, int); +int sigdelset(sigset_t *, int); +int sigemptyset(sigset_t *); +int sigfillset(sigset_t *); +int sigismember(const sigset_t *, int); +int sigpending(sigset_t * _Nonnull); +int sigprocmask(int, const sigset_t * __restrict, sigset_t * __restrict); +int sigsuspend(const sigset_t * _Nonnull); +int sigwait(const sigset_t * _Nonnull __restrict, + int * _Nonnull __restrict); +#endif + +#if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE >= 600 +int sigqueue(__pid_t, int, const union sigval); + +struct timespec; +int sigtimedwait(const sigset_t * __restrict, siginfo_t * __restrict, + const struct timespec * __restrict); +int sigwaitinfo(const sigset_t * __restrict, siginfo_t * __restrict); +#endif + +#if __XSI_VISIBLE +int killpg(__pid_t, int); +int sigaltstack(const stack_t * __restrict, stack_t * __restrict); +int sighold(int); +int sigignore(int); +int sigpause(int); +int sigrelse(int); +void (* _Nullable sigset(int, void (* _Nullable)(int)))(int); +int xsi_sigpause(int); +#endif + +#if __XSI_VISIBLE >= 600 +int siginterrupt(int, int); +#endif + +#if __POSIX_VISIBLE >= 200809 +void psiginfo(const siginfo_t *, const char *); +void psignal(int, const char *); +#endif + +#if __POSIX_VISIBLE >= 202405 || __BSD_VISIBLE +int sig2str(int, char *); +int str2sig(const char * __restrict, int * __restrict); +#endif + +#if __BSD_VISIBLE +int sigandset(sigset_t *dest, const sigset_t *left, const sigset_t *right); +int sigblock(int); +int sigisemptyset(const sigset_t *set); +int sigorset(sigset_t *dest, const sigset_t *left, const sigset_t *right); +int sigreturn(const struct __ucontext *); +int sigsetmask(int); +int sigstack(const struct sigstack *, struct sigstack *); +int sigvec(int, struct sigvec *, struct sigvec *); +#endif +__END_DECLS +__NULLABILITY_PRAGMA_POP + +#endif /* !_SIGNAL_H_ */ |