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60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
/*
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* This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Affero General Public License as published by the
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* Free Software Foundation; either version 3 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _SIGNAL_HANDLER_H_
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#define _SIGNAL_HANDLER_H_
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#include <csignal>
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#include <mutex>
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#include <unordered_set>
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namespace Acore
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{
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/// Handle termination signals
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class SignalHandler
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{
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private:
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std::unordered_set<int> _handled;
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mutable std::mutex _mutex;
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public:
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bool handle_signal(int sig, void (*func)(int))
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{
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std::lock_guard lock(_mutex);
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if (_handled.find(sig) != _handled.end())
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{
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return false;
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}
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_handled.insert(sig);
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signal(sig, func);
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return true;
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}
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~SignalHandler()
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{
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for (auto const& sig : _handled)
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{
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signal(sig, nullptr);
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}
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}
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};
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}
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#endif // _SIGNAL_HANDLER_H_
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