VTK
vtkSimpleCriticalSection.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkCriticalSection.h
5 
6  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7  All rights reserved.
8  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9 
10  This software is distributed WITHOUT ANY WARRANTY; without even
11  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12  PURPOSE. See the above copyright notice for more information.
13 
14 =========================================================================*/
36 #ifndef vtkSimpleCriticalSection_h
37 #define vtkSimpleCriticalSection_h
38 
39 #include "vtkCommonCoreModule.h" // For export macro
40 #include "vtkSystemIncludes.h"
41 
42 #ifdef VTK_USE_SPROC
43 #include <abi_mutex.h> // Needed for sproc implementation of mutex
44 typedef abilock_t vtkCritSecType;
45 #endif
46 
47 #if defined(VTK_USE_PTHREADS) || defined(VTK_HP_PTHREADS)
48 #include <pthread.h> // Needed for pthreads implementation of mutex
49 typedef pthread_mutex_t vtkCritSecType;
50 #endif
51 
52 #ifdef VTK_USE_WIN32_THREADS
53 # include "vtkWindows.h" // Needed for win32 implementation of mutex
54 typedef CRITICAL_SECTION vtkCritSecType;
55 #endif
56 
57 #ifndef VTK_USE_SPROC
58 #ifndef VTK_USE_PTHREADS
59 #ifndef VTK_USE_WIN32_THREADS
60 typedef int vtkCritSecType;
61 #endif
62 #endif
63 #endif
64 
65 // Critical Section object that is not a vtkObject.
66 class VTKCOMMONCORE_EXPORT vtkSimpleCriticalSection
67 {
68 public:
69  // Default cstor
71  {
72  this->Init();
73  }
74  // Construct object locked if isLocked is different from 0
76  {
77  this->Init();
78  if(isLocked)
79  {
80  this->Lock();
81  }
82  }
83  // Destructor
84  virtual ~vtkSimpleCriticalSection();
85 
86  void Init();
87 
91  void Lock();
92 
96  void Unlock();
97 
98 protected:
100 
101 private:
102  vtkSimpleCriticalSection(const vtkSimpleCriticalSection& other) VTK_DELETE_FUNCTION;
103  vtkSimpleCriticalSection& operator=(const vtkSimpleCriticalSection& rhs) VTK_DELETE_FUNCTION;
104 };
105 
106 #endif
107 // VTK-HeaderTest-Exclude: vtkSimpleCriticalSection.h
int vtkCritSecType
Critical section locking class.