vtkMutexLock.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkMutexLock.h
 
  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
 
     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.
 
=========================================================================*/
#ifndef vtkMutexLock_h
#define vtkMutexLock_h
 
#include "vtkCommonCoreModule.h" // For export macro
#include "vtkDeprecation.h"      // For VTK_DEPRECATED_IN_9_1_0
#include "vtkObject.h"
#include "vtkThreads.h" // for VTK_USE_PTHREADS and VTK_USE_WIN32_THREADS
 
#if defined(VTK_USE_PTHREADS)
#include <pthread.h> // Needed for PTHREAD implementation of mutex
typedef pthread_mutex_t vtkMutexType;
#endif
 
#ifdef VTK_USE_WIN32_THREADS
typedef vtkWindowsHANDLE vtkMutexType;
#endif
 
#ifndef VTK_USE_PTHREADS
#ifndef VTK_USE_WIN32_THREADS
typedef int vtkMutexType;
#endif
#endif
 
// Mutex lock that is not a vtkObject.
 
class VTK_DEPRECATED_IN_9_1_0("Use std::mutex instead.") VTKCOMMONCORE_EXPORT vtkSimpleMutexLock
{
public:
  // left public purposely
  vtkSimpleMutexLock();
  virtual ~vtkSimpleMutexLock();
 
  static vtkSimpleMutexLock* New();
 
  void Delete() { delete this; }
 
  void Lock(void);
 
  void Unlock(void);
 
protected:
  friend class vtkSimpleConditionVariable;
  vtkMutexType MutexLock;
 
private:
  vtkSimpleMutexLock(const vtkSimpleMutexLock& other) = delete;
  vtkSimpleMutexLock& operator=(const vtkSimpleMutexLock& rhs) = delete;
};
 
class VTK_DEPRECATED_IN_9_1_0("Use std::mutex instead.") VTKCOMMONCORE_EXPORT vtkMutexLock
  : public vtkObject
{
public:
  static vtkMutexLock* New();
 
  vtkTypeMacro(vtkMutexLock, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  void Lock(void);
 
  void Unlock(void);
 
protected:
  friend class vtkConditionVariable; // needs to get at SimpleMutexLock.
 
  vtkSimpleMutexLock SimpleMutexLock;
  vtkMutexLock() = default;
 
private:
  vtkMutexLock(const vtkMutexLock&) = delete;
  void operator=(const vtkMutexLock&) = delete;
};
 
inline void vtkMutexLock::Lock(void)
{
  this->SimpleMutexLock.Lock();
}
 
inline void vtkMutexLock::Unlock(void)
{
  this->SimpleMutexLock.Unlock();
}
 
#endif
 
// VTK-HeaderTest-Exclude: vtkMutexLock.h