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/processor/Processor.h"
#include "pedigree/kernel/processor/VirtualAddressSpace.h"
#include "pedigree/kernel/processor/state.h"

#include "pedigree/kernel/process/Event.h"
#include "pedigree/kernel/process/SignalEvent.h"

#include "logging.h"

#include <sys/types.h>

struct sigaction;
typedef struct sigaltstack stack_t;

typedef void (*_sig_func_ptr)(int);

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, SyscallState &State);
int posix_kill(int pid, int sig);
int posix_sigprocmask(int how, const uint32_t *set, uint32_t *oset);
void pedigree_unwind_signal();

int posix_sigaltstack(const stack_t *stack, stack_t *oldstack);

void pedigree_init_sigret();

#endif