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Queue.cpp
Package: LegendOfMir2_Server020418.zip　[view]
Upload User: szopptop
Upload Date: 2013-04-23
Package Size: 1047k
Code Size: 2k
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Game Server Simulator

Development Platform:

Visual C++

Queue.cpp：Code Content
  1. // **************************************************************************************
  2. //
  3. //  Euyheon's Queue Class
  4. //
  5. //  All written by Euy-heon, Jeong.
  6. //  Copyright(C) 1999-2001 Euy-heon, Jeong. All rights reserved.
  7. //
  8. // Win32 Version : Compiled by Microsoft Visual C++ 6.0
  9. //
  10. // Problems & History
  11. // ------------------
  12. //
  13. // **************************************************************************************
  15. #include "stdafx.h"
  17. CWHQueue::CWHQueue()
  18. {
  19. // InitializeCriticalSection(&m_cs);
  21. m_btQPushPos = 0;
  22. m_btQPopPos = 0; 
  24. m_btCount = 0;
  25. }
  27. CWHQueue::~CWHQueue()
  28. {
  29. // DeleteCriticalSection(&m_cs);
  30. }
  32. BOOL CWHQueue::PushQ(BYTE *lpbtQ)
  33. {
  34. BOOL fRet = TRUE;
  36. // EnterCriticalSection(&m_cs);
  38. __try
  39. {
  40. if (m_btQPushPos + 1 == m_btQPopPos || (m_btQPushPos + 1 == (unsigned) QUEUE_MAX && !m_btQPopPos))
  41. {
  42. fRet = FALSE;
  43. __leave; // Queue is full.
  44. }
  46. m_lpCircularQ[m_btQPushPos] = lpbtQ;
  47. m_btQPushPos++;
  48. m_btCount++;
  50. if (m_btQPushPos == (unsigned) QUEUE_MAX)
  51. m_btQPushPos = 0;
  52. }
  53. __finally
  54. {
  55. // LeaveCriticalSection(&m_cs);
  56. }
  58. return fRet;
  59. }
  61. BYTE *CWHQueue::PopQ()
  62. {
  63. BYTE *pbt = NULL;
  65. // EnterCriticalSection(&m_cs);
  67. __try
  68. {
  69. if (m_btQPopPos == (unsigned) QUEUE_MAX)
  70. m_btQPopPos = 0;
  72. if (m_btQPopPos == m_btQPushPos)
  73. __leave; // No event.
  75. m_btQPopPos++;
  76. m_btCount--;
  78. pbt = m_lpCircularQ[m_btQPopPos - 1];
  79. }
  80. __finally
  81. {
  82. // LeaveCriticalSection(&m_cs);
  83. }
  85. return pbt;
  86. }