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/*=========================================================================
*
* Copyright Insight Software Consortium
*
* 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.txt
*
* 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.
*
*=========================================================================*/
/*=========================================================================
*
* Portions of this file are subject to the VTK Toolkit Version 3 copyright.
*
* Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
*
* For complete copyright, license and disclaimer of warranty information
* please refer to the NOTICE file at the top of the ITK source tree.
*
*=========================================================================*/
#ifndef itkSimpleFastMutexLock_h
#define itkSimpleFastMutexLock_h
#include "itkMacro.h"
#include "itkThreadSupport.h"
namespace itk
{
/** \class SimpleFastMutexLock
* \brief Critical section locking class that can be allocated on the stack.
*
* SimpleFastMutexLock is used by FastMutexLock to perform mutex locking.
* SimpleFastMutexLock is not a subclass of Object and is designed to be
* allocated on the stack.
*
* \ingroup OSSystemObjects
* \ingroup ITKCommon
*/
// Critical Section object that is not a itkObject.
class ITKCommon_EXPORT SimpleFastMutexLock
{
public:
/** Standard class typedefs. */
typedef SimpleFastMutexLock Self;
/** Constructor and destructor left public purposely because of stack
allocation. */
SimpleFastMutexLock();
~SimpleFastMutexLock();
/** Lock access. */
void Lock() const;
/** Non-blocking Lock access.
\return bool - true if lock is captured, false if it was already heald by someone else.
*/
bool TryLock() const;
/** Unlock access. */
void Unlock() const;
protected:
mutable FastMutexType m_FastMutexLock;
};
} //end itk namespace
#endif
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