mirror of https://gitee.com/bigwinds/arangodb
114 lines
3.3 KiB
C
114 lines
3.3 KiB
C
////////////////////////////////////////////////////////////////////////////////
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/// @brief mutexes, locks and condition variables in win32
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///
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/// @file
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///
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/// DISCLAIMER
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///
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/// Copyright 2004-2013 triAGENS GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is triAGENS GmbH, Cologne, Germany
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///
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/// @author Dr. Frank Celler
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/// @author Copyright 2011-2013, triAGENS GmbH, Cologne, Germany
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////////////////////////////////////////////////////////////////////////////////
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#ifndef TRIAGENS_BASICS_C_LOCKS_WIN32_H
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#define TRIAGENS_BASICS_C_LOCKS_WIN32_H 1
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#include "BasicsC/common.h"
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#ifdef TRI_HAVE_WIN32_THREADS
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#ifdef __cplusplus
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extern "C" {
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#endif
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// -----------------------------------------------------------------------------
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// --SECTION-- public types
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup Threading
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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/// @brief mutex type
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////////////////////////////////////////////////////////////////////////////////
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typedef struct TRI_mutex_s {
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HANDLE _mutex;
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}
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TRI_mutex_t;
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////////////////////////////////////////////////////////////////////////////////
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/// @brief spin-lock type
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////////////////////////////////////////////////////////////////////////////////
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#define TRI_spin_t CRITICAL_SECTION
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////////////////////////////////////////////////////////////////////////////////
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/// @brief read-write-lock type
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////////////////////////////////////////////////////////////////////////////////
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typedef struct TRI_read_write_lock_s {
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HANDLE _writerEvent;
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HANDLE _readersEvent;
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int _readers;
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CRITICAL_SECTION _lockWriter;
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CRITICAL_SECTION _lockReaders;
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}
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TRI_read_write_lock_t;
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////////////////////////////////////////////////////////////////////////////////
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/// @brief condition variable
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///
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/// This is based on http://www.cs.wustl.edu/~schmidt/win32-cv-1.html.
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////////////////////////////////////////////////////////////////////////////////
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typedef struct TRI_condition_s {
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CRITICAL_SECTION _lockWaiters;
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bool _ownMutex;
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HANDLE _waitersDone;
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HANDLE _mutex;
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HANDLE _sema;
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int _waiters;
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bool _broadcast;
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}
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TRI_condition_t;
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////////////////////////////////////////////////////////////////////////////////
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/// @}
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////////////////////////////////////////////////////////////////////////////////
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#ifdef __cplusplus
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}
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#endif
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#endif
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#endif
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// Local Variables:
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// mode: outline-minor
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// outline-regexp: "/// @brief\\|/// {@inheritDoc}\\|/// @addtogroup\\|/// @page\\|// --SECTION--\\|/// @\\}"
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// End:
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