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49 lines
1.1 KiB
C++
49 lines
1.1 KiB
C++
/*
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* Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license, you may redistribute it and/or modify it under version 2 of the License, or (at your option), any later version.
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* Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
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* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
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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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