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28 lines
1.0 KiB
C++
28 lines
1.0 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 POLICYLOCK_H
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#define POLICYLOCK_H
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#include <mutex>
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#define GUARD_RETURN(mutex, retval) if (!mutex.try_lock()) \
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return retval; \
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std::lock_guard<decltype(mutex)> guard(mutex, std::adopt_lock)
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#endif
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