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LockMRSW.cpp
Package: SwordOnline.rar　[view]
Upload User: dzyhzl
Upload Date: 2019-04-29
Package Size: 56270k
Code Size: 1k
Category:

Game Server Simulator

Development Platform:

C/C++

LockMRSW.cpp：Code Content
  1. // LockMRSW.cpp: implementation of the CLockMRSW & CLockMRSW2 class.
  2. //
  3. //////////////////////////////////////////////////////////////////////
  5. #include "stdafx.h"
  6. #include "LockMRSW.h"
  9. //////////////////////////////////////////////////////////////////////
  10. // CLockMRSW Construction/Destruction
  11. //////////////////////////////////////////////////////////////////////
  13. CLockMRSW::CLockMRSW()
  14. : m_eventIdle(::CreateEvent(NULL, TRUE, TRUE, NULL)), m_lUsing(-1L)
  15. {
  16. ::InitializeCriticalSection(&m_csModi);
  17. ::InitializeCriticalSection(&m_csExclusive);
  18. }
  20. CLockMRSW::~CLockMRSW()
  21. {
  22. ::DeleteCriticalSection(&m_csExclusive);
  23. ::DeleteCriticalSection(&m_csModi);
  24. ::CloseHandle(m_eventIdle);
  25. }
  28. void CLockMRSW::EnterRead()
  29. {
  30. ::EnterCriticalSection(&m_csExclusive);
  31. ::EnterCriticalSection(&m_csModi);
  32. if (++m_lUsing == 0)
  33. ::ResetEvent(m_eventIdle);
  34. ::LeaveCriticalSection(&m_csModi);
  35. ::LeaveCriticalSection(&m_csExclusive);
  36. }
  38. void CLockMRSW::LeaveRead()
  39. {
  40. ::EnterCriticalSection(&m_csModi);
  41. if (--m_lUsing < 0)
  42. ::SetEvent(m_eventIdle);
  43. ::LeaveCriticalSection(&m_csModi);
  44. }
  47. void CLockMRSW::EnterWrite()
  48. {
  49. ::EnterCriticalSection(&m_csExclusive);
  50. ::WaitForSingleObject(m_eventIdle, INFINITE);
  51. }
  53. void CLockMRSW::LeaveWrite()
  54. {
  55. ::LeaveCriticalSection(&m_csExclusive);
  56. }