////////////////////////////////////////////////////////////////////////////////
/// @brief SpinLock
///
/// @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 Dr. Frank Celler
/// @author Achim Brandt
/// @author Copyright 2014, ArangoDB GmbH, Cologne, Germany
/// @author Copyright 2008-2013, triAGENS GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////

#include "SpinLock.h"

using namespace triagens::basics;

// -----------------------------------------------------------------------------
// --SECTION--                                      constructors and destructors
// -----------------------------------------------------------------------------

////////////////////////////////////////////////////////////////////////////////
/// @brief constructs a spinlock
////////////////////////////////////////////////////////////////////////////////

SpinLock::SpinLock ()
  : _lock() {
  TRI_InitSpin(&_lock);
}

////////////////////////////////////////////////////////////////////////////////
/// @brief deletes the lock
////////////////////////////////////////////////////////////////////////////////

SpinLock::~SpinLock () {
  TRI_DestroySpin(&_lock);
}

// -----------------------------------------------------------------------------
// --SECTION--                                                    public methods
// -----------------------------------------------------------------------------

////////////////////////////////////////////////////////////////////////////////
/// @brief acquires the lock
////////////////////////////////////////////////////////////////////////////////

void SpinLock::lock () {
  TRI_LockSpin(&_lock);
}

////////////////////////////////////////////////////////////////////////////////
/// @brief releases the lock
////////////////////////////////////////////////////////////////////////////////

void SpinLock::unlock () {
  TRI_UnlockSpin(&_lock);
}

// -----------------------------------------------------------------------------
// --SECTION--                                                       END-OF-FILE
// -----------------------------------------------------------------------------

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