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/*
* Copyright (C) 2008 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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
* COPYRIGHT OWNER 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 <asm/sigcontext.h>
#include <bits/pthread_types.h>
#include <bits/signal_types.h>
#include <bits/timespec.h>
#include <limits.h>
#include <sys/ucontext.h>
#define __BIONIC_HAVE_UCONTEXT_T
__BEGIN_DECLS
/* The kernel headers define SIG_DFL (0) and SIG_IGN (1) but not SIG_HOLD, since
* SIG_HOLD is only used by the deprecated SysV signal API.
*/
#define SIG_HOLD __BIONIC_CAST(reinterpret_cast, sighandler_t, 2)
/* We take a few real-time signals for ourselves. May as well use the same names as glibc. */
#define SIGRTMIN (__libc_current_sigrtmin())
#define SIGRTMAX (__libc_current_sigrtmax())
int __libc_current_sigrtmin(void) __INTRODUCED_IN(21);
int __libc_current_sigrtmax(void) __INTRODUCED_IN(21);
extern const char* const sys_siglist[_NSIG];
extern const char* const sys_signame[_NSIG]; /* BSD compatibility. */
#define si_timerid si_tid /* glibc compatibility. */
int sigaction(int __signal, const struct sigaction* __new_action, struct sigaction* __old_action);
int sigaction64(int __signal, const struct sigaction64* __new_action, struct sigaction64* __old_action) __INTRODUCED_IN(28);
int siginterrupt(int __signal, int __flag);
#if __ANDROID_API__ >= 21
sighandler_t signal(int __signal, sighandler_t __handler) __INTRODUCED_IN(21);
int sigaddset(sigset_t* __set, int __signal) __INTRODUCED_IN(21);
int sigaddset64(sigset64_t* __set, int __signal) __INTRODUCED_IN(28);
int sigdelset(sigset_t* __set, int __signal) __INTRODUCED_IN(21);
int sigdelset64(sigset64_t* __set, int __signal) __INTRODUCED_IN(28);
int sigemptyset(sigset_t* __set) __INTRODUCED_IN(21);
int sigemptyset64(sigset64_t* __set) __INTRODUCED_IN(28);
int sigfillset(sigset_t* __set) __INTRODUCED_IN(21);
int sigfillset64(sigset64_t* __set) __INTRODUCED_IN(28);
int sigismember(const sigset_t* __set, int __signal) __INTRODUCED_IN(21);
int sigismember64(const sigset64_t* __set, int __signal) __INTRODUCED_IN(28);
#else
// Implemented as static inlines before 21.
#endif
int sigpending(sigset_t* __set);
int sigpending64(sigset64_t* __set) __INTRODUCED_IN(28);
int sigprocmask(int __how, const sigset_t* __new_set, sigset_t* __old_set);
int sigprocmask64(int __how, const sigset64_t* __new_set, sigset64_t* __old_set) __INTRODUCED_IN(28);
int sigsuspend(const sigset_t* __mask);
int sigsuspend64(const sigset64_t* __mask) __INTRODUCED_IN(28);
int sigwait(const sigset_t* __set, int* __signal);
int sigwait64(const sigset64_t* __set, int* __signal) __INTRODUCED_IN(28);
int sighold(int __signal)
__attribute__((deprecated("use sigprocmask() or pthread_sigmask() instead")))
__INTRODUCED_IN(26);
int sigignore(int __signal)
__attribute__((deprecated("use sigaction() instead"))) __INTRODUCED_IN(26);
int sigpause(int __signal)
__attribute__((deprecated("use sigsuspend() instead"))) __INTRODUCED_IN(26);
int sigrelse(int __signal)
__attribute__((deprecated("use sigprocmask() or pthread_sigmask() instead")))
__INTRODUCED_IN(26);
sighandler_t sigset(int __signal, sighandler_t __handler)
__attribute__((deprecated("use sigaction() instead"))) __INTRODUCED_IN(26);
int raise(int __signal);
int kill(pid_t __pid, int __signal);
int killpg(int __pgrp, int __signal);
int tgkill(int __tgid, int __tid, int __signal);
int sigaltstack(const stack_t* __new_signal_stack, stack_t* __old_signal_stack);
void psiginfo(const siginfo_t* __info, const char* __msg) __INTRODUCED_IN(17);
void psignal(int __signal, const char* __msg) __INTRODUCED_IN(17);
int pthread_kill(pthread_t __pthread, int __signal);
#if defined(__USE_GNU)
int pthread_sigqueue(pthread_t __pthread, int __signal, const union sigval __value) __INTRODUCED_IN(29);
#endif
int pthread_sigmask(int __how, const sigset_t* __new_set, sigset_t* __old_set);
int pthread_sigmask64(int __how, const sigset64_t* __new_set, sigset64_t* __old_set) __INTRODUCED_IN(28);
int sigqueue(pid_t __pid, int __signal, const union sigval __value) __INTRODUCED_IN(23);
int sigtimedwait(const sigset_t* __set, siginfo_t* __info, const struct timespec* __timeout) __INTRODUCED_IN(23);
int sigtimedwait64(const sigset64_t* __set, siginfo_t* __info, const struct timespec* __timeout) __INTRODUCED_IN(28);
int sigwaitinfo(const sigset_t* __set, siginfo_t* __info) __INTRODUCED_IN(23);
int sigwaitinfo64(const sigset64_t* __set, siginfo_t* __info) __INTRODUCED_IN(28);
__END_DECLS
#include <android/legacy_signal_inlines.h>
#endif