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/******************************************************************************
*
* Project: PROJ
* Purpose: std::mutex emulation
* Author: Even Rouault <even dot rouault at spatialys dot com>
*
******************************************************************************
* Copyright (c) 2021, Even Rouault <even dot rouault at spatialys dot com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
****************************************************************************/
#include "proj/util.hpp"
#include "proj_internal.h"
#ifndef __MINGW32__
#include <mutex>
#endif
NS_PROJ_START
#ifdef __MINGW32__
// mingw32-win32 doesn't implement std::mutex
class mutex {
public:
// cppcheck-suppress functionStatic
void lock() { pj_acquire_lock(); }
// cppcheck-suppress functionStatic
void unlock() { pj_release_lock(); }
};
template <class Lock> struct lock_guard {
Lock &lock_;
lock_guard(Lock &lock) : lock_(lock) { lock_.lock(); }
~lock_guard() { lock_.unlock(); }
};
#else
typedef std::mutex mutex;
template <class Mutex> using lock_guard = std::lock_guard<Mutex>;
#endif
NS_PROJ_END
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