nghttp2/src/shrpx_signal.h

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/*
* nghttp2 - HTTP/2 C Library
*
* Copyright (c) 2015 Tatsuhiro Tsujikawa
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef SHRPX_SIGNAL_H
#define SHRPX_SIGNAL_H
#include "shrpx.h"
#include <signal.h>
namespace shrpx {
constexpr int REOPEN_LOG_SIGNAL = SIGUSR1;
constexpr int EXEC_BINARY_SIGNAL = SIGUSR2;
constexpr int GRACEFUL_SHUTDOWN_SIGNAL = SIGQUIT;
constexpr int RELOAD_SIGNAL = SIGHUP;
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// Blocks all signals. The previous signal mask is stored into
// |oldset| if it is not nullptr. This function returns 0 if it
// succeeds, or -1. The errno will indicate the error.
int shrpx_signal_block_all(sigset_t *oldset);
// Unblocks all signals. This function returns 0 if it succeeds, or
// -1. The errno will indicate the error.
int shrpx_signal_unblock_all();
// Sets signal mask |set|. This function returns 0 if it succeeds, or
// -1. The errno will indicate the error.
int shrpx_signal_set(sigset_t *set);
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int shrpx_signal_set_main_proc_ign_handler();
int shrpx_signal_unset_main_proc_ign_handler();
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int shrpx_signal_set_worker_proc_ign_handler();
int shrpx_signal_unset_worker_proc_ign_handler();
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} // namespace shrpx
#endif // SHRPX_SIGNAL_H