//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#pragma once
#include "td/utils/common.h"
#include "td/utils/Slice.h"
#include "td/utils/Status.h"
namespace td {
Status setup_signals_alt_stack() TD_WARN_UNUSED_RESULT;
enum class SignalType { Abort, Error, Quit, Pipe, HangUp, User, Other };
Status set_signal_handler(SignalType type, void (*func)(int sig)) TD_WARN_UNUSED_RESULT;
Status set_extended_signal_handler(SignalType type, void (*func)(int sig, void *addr)) TD_WARN_UNUSED_RESULT;
Status set_runtime_signal_handler(int runtime_signal_number, void (*func)(int sig)) TD_WARN_UNUSED_RESULT;
Status ignore_signal(SignalType type) TD_WARN_UNUSED_RESULT;
// writes data to the standard error stream in a signal-safe way
void signal_safe_write(Slice data, bool add_header = true);
void signal_safe_write_signal_number(int sig, bool add_header = true);
void signal_safe_write_pointer(void *p, bool add_header = true);
Status set_default_failure_signal_handler();
} // namespace td
