mirror of
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70 lines
2.1 KiB
C++
70 lines
2.1 KiB
C++
/*************************************************************************
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* UrBackup - Client/Server backup system
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* Copyright (C) 2011-2016 Martin Raiber
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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 Affero 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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero 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 "SharedMutex_std.h"
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#ifdef SHARED_MUTEX_CHECK
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#include <assert.h>
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#endif
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ILock* SharedMutex::readLock()
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{
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#ifdef SHARED_MUTEX_CHECK
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{
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std::unique_lock<std::mutex> n_lock(check_mutex);
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std::pair<std::set<std::thread::id>::iterator, bool> ins = check_threads.insert(std::this_thread::get_id());
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assert(ins.second);
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}
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#endif
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return new ReadLock(new std::shared_lock<std::shared_timed_mutex>(mutex)
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SHARED_MUTEX_CHECK_P(this));
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}
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ILock* SharedMutex::writeLock()
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{
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#ifdef SHARED_MUTEX_CHECK
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{
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std::unique_lock<std::mutex> n_lock(check_mutex);
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assert(check_threads.find(std::this_thread::get_id())
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== check_threads.end());
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}
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#endif
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return new WriteLock(new std::unique_lock<std::shared_timed_mutex>(mutex));
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}
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#ifdef SHARED_MUTEX_CHECK
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void SharedMutex::rmLockCheck()
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{
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std::unique_lock<std::mutex> n_lock(check_mutex);
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assert(check_threads.erase(std::this_thread::get_id()) == 1);
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}
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#endif
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ReadLock::ReadLock( std::shared_lock<std::shared_timed_mutex>* read_lock
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SHARED_MUTEX_CHECK_P(SharedMutex* shared_mutex))
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: read_lock(read_lock)
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SHARED_MUTEX_CHECK_P(shared_mutex(shared_mutex))
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{
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}
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WriteLock::WriteLock( std::unique_lock<std::shared_timed_mutex>* write_lock )
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: write_lock(write_lock)
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{
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}
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