signal-syscalls.h

/*
 * Copyright (c) 2008-2014, Pedigree Developers
 *
 * Please see the CONTRIB file in the root of the source tree for a full
 * list of contributors.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
 
#ifndef SIGNAL_SYSCALLS_H
#define SIGNAL_SYSCALLS_H
#include "pedigree/kernel/process/Event.h"
#include "pedigree/kernel/process/SignalEvent.h"
#include "pedigree/kernel/processor/Processor.h"
#include "pedigree/kernel/processor/VirtualAddressSpace.h"
#include "pedigree/kernel/processor/state.h"
 
#include <config.h>
 
#include "logging.h"
#include <sys/types.h>
 
struct sigaction;
typedef struct sigaltstack stack_t;
 
typedef void (*_sig_func_ptr)(int);
 
#if BITS_64
struct LinuxAmd64KernelSigaction;
int posix_linux_amd64_sigaction(int sig, const LinuxAmd64KernelSigaction* act,
                                LinuxAmd64KernelSigaction* oact);
#endif
#if ARMV7
struct LinuxArmv7KernelSigaction;
int posix_linux_armv7_sigaction(int sig, const LinuxArmv7KernelSigaction* act,
                                LinuxArmv7KernelSigaction* oact);
#endif
 
int posix_sigaction(int sig, const struct sigaction* act, struct sigaction* oact);
uintptr_t posix_signal(int sig, void* func);
int posix_raise(int sig);
int posix_kill(int pid, int sig);
int posix_tkill(int tid, int sig, bool linuxAbi = false);
int posix_tgkill(int tgid, int tid, int sig, bool linuxAbi = false);
int posix_sigprocmask(int how, const void* set, void* oset, size_t sigsetSize, bool linuxCompat);
int posix_rt_sigsuspend(const uint64_t* signalMask, size_t signalMaskSize);
int pedigree_unwind_signal();
 
int posix_sigaltstack(const stack_t* stack, stack_t* oldstack);
 
void pedigree_init_sigret();
void pedigree_reset_signals_for_exec(Thread* thread);
uintptr_t pedigree_default_signal_handler(size_t signal);
 
#endif