52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
/*
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* This file is part of the Flowee project
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* Copyright (C) 2017-2018 Tom Zander <tom@flowee.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "../boost_compat.h"
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#include <functional>
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#include <mutex>
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#include <atomic>
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/**
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* @brief Use the WaitUntilFinishedHelper class to start a method in a strand and wait until its done.
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* Usage is simple, you create an instance and all the work is done in the constructor.
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* After the constructor is finished, your method in the strand will have returned.
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*/
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class WaitUntilFinishedHelper
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{
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public:
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WaitUntilFinishedHelper(const std::function<void()> &target, BoostCompatStrand *strand);
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WaitUntilFinishedHelper(const WaitUntilFinishedHelper &other);
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~WaitUntilFinishedHelper();
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void run();
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private:
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struct Private {
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mutable std::mutex mutex;
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std::function<void()> target;
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std::atomic<int> ref;
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BoostCompatStrand *strand;
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};
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Private *d;
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void handle();
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};
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