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KMutex.cpp
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Upload Date: 2019-04-29
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Code Size: 2k
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Game Server Simulator

Development Platform:

C/C++

KMutex.cpp：Code Content
  1. //---------------------------------------------------------------------------
  2. // Sword3 Engine (c) 1999-2000 by Kingsoft
  3. //
  4. // File: KMutex.cpp
  5. // Date: 2000.08.08
  6. // Code: WangWei(Daphnis)
  7. // Desc: Implements a simple mutex object for thread synchronization
  8. //---------------------------------------------------------------------------
  9. #include "KWin32.h"
  10. #include "KDebug.h"
  11. #include "KMutex.h"
  13. KMutex::KMutex()
  14. {
  15. #ifdef WIN32
  16. #ifdef SINGLE_PROCESS
  17. InitializeCriticalSection(&m_CriticalSection);
  18. #else
  19. m_hMutex = CreateMutex(NULL, FALSE, NULL);
  20. if (!m_hMutex)
  21. g_MessageBox("KMutex::KMutex() CreateMutex() failed!");
  22. #endif
  23. #else
  24.      int rc = pthread_mutex_init(&mutex, NULL);
  25. #endif
  26. }
  27. //---------------------------------------------------------------------------
  28. // 函数: ~KMutex
  29. // 功能: 析购函数
  30. // 参数: void
  31. // 返回: void
  32. //---------------------------------------------------------------------------
  33. KMutex::~KMutex()
  34. {
  35. #ifdef WIN32
  36. #ifdef SINGLE_PROCESS
  37. DeleteCriticalSection(&m_CriticalSection);
  38. #else
  39. CloseHandle(m_hMutex);
  40. #endif
  41. #else
  42.      int rc = pthread_mutex_destroy(&mutex);
  43.      printf("create mutex%dn", rc);
  44. #endif
  45. }
  46. //---------------------------------------------------------------------------
  47. // 函数: Lock
  48. // 功能: 锁定
  49. // 参数: void
  50. // 返回: void
  51. //---------------------------------------------------------------------------
  52. void KMutex::Lock(void)
  53. {
  54. #ifdef WIN32
  55. #ifdef SINGLE_PROCESS
  56. EnterCriticalSection(&m_CriticalSection);
  57. #else
  58. WaitForSingleObject(m_hMutex, INFINITE);
  59. #endif
  60. #else
  61.      int rc = pthread_mutex_lock(&mutex);
  62. #endif
  63. }
  64. //---------------------------------------------------------------------------
  65. // 函数: Unlock
  66. // 功能: 解开
  67. // 参数: void
  68. // 返回: void
  69. //---------------------------------------------------------------------------
  70. void KMutex::Unlock(void)
  71. {
  72. #ifdef WIN32
  73. #ifdef SINGLE_PROCESS
  74. LeaveCriticalSection(&m_CriticalSection);
  75. #else
  76. ReleaseMutex(m_hMutex);
  77. #endif
  78. #else
  79.      int rc = pthread_mutex_unlock(&mutex);
  80. #endif
  81. }