mirror of https://gitee.com/bigwinds/arangodb
77 lines
2.9 KiB
C++
77 lines
2.9 KiB
C++
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief Read Locker
|
|
///
|
|
/// @file
|
|
///
|
|
/// DISCLAIMER
|
|
///
|
|
/// Copyright 2014 ArangoDB GmbH, Cologne, Germany
|
|
/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
|
|
///
|
|
/// Licensed under the Apache License, Version 2.0 (the "License");
|
|
/// you may not use this file except in compliance with the License.
|
|
/// You may obtain a copy of the License at
|
|
///
|
|
/// http://www.apache.org/licenses/LICENSE-2.0
|
|
///
|
|
/// Unless required by applicable law or agreed to in writing, software
|
|
/// distributed under the License is distributed on an "AS IS" BASIS,
|
|
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
/// See the License for the specific language governing permissions and
|
|
/// limitations under the License.
|
|
///
|
|
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
|
|
///
|
|
/// @author Frank Celler
|
|
/// @author Achim Brandt
|
|
/// @author Copyright 2014, ArangoDB GmbH, Cologne, Germany
|
|
/// @author Copyright 2010-2013, triAGENS GmbH, Cologne, Germany
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#include "ReadLocker.h"
|
|
|
|
using namespace triagens::basics;
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// --SECTION-- constructors and destructors
|
|
// -----------------------------------------------------------------------------
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief acquires a read-lock
|
|
///
|
|
/// The constructors read-lock the lock, the destructors unlock the lock.
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
ReadLocker::ReadLocker (ReadWriteLock* readWriteLock)
|
|
: _readWriteLock(readWriteLock), _file(0), _line(0) {
|
|
_readWriteLock->readLock();
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief acquires a read-lock
|
|
///
|
|
/// The constructors read-lock the lock, the destructors unlock the lock.
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
ReadLocker::ReadLocker (ReadWriteLock* readWriteLock, char const* file, int line)
|
|
: _readWriteLock(readWriteLock), _file(file), _line(line) {
|
|
_readWriteLock->readLock();
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief releases the read-lock
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
ReadLocker::~ReadLocker () {
|
|
_readWriteLock->unlock();
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// --SECTION-- END-OF-FILE
|
|
// -----------------------------------------------------------------------------
|
|
|
|
// Local Variables:
|
|
// mode: outline-minor
|
|
// outline-regexp: "/// @brief\\|/// {@inheritDoc}\\|/// @page\\|// --SECTION--\\|/// @\\}"
|
|
// End:
|