xbmc/utils/CriticalSection.h

   1 //////////////////////////////////////////////////////////////////////
   2 //
   3 // CriticalSection.h: interface for the CCriticalSection class.
   4 //
   5 //////////////////////////////////////////////////////////////////////
   6 #ifndef _CRITICAL_SECTION_H_
   7 #define _CRITICAL_SECTION_H_
   8
   9 #if _MSC_VER > 1000
  10 #pragma once
  11 #endif // _MSC_VER > 1000
  12 #ifdef _LINUX
  13 #include "PlatformDefs.h"
  14 #include "linux/XSyncUtils.h"
  15 #include "XCriticalSection.h"
  16 #else
  17 #include "win32/XCriticalSection.h"
  18 #endif
  19
  20 /*
  21  *      Copyright (C) 2005-2008 Team XBMC
  22  *      http://www.xbmc.org
  23  *
  24  *  This Program is free software; you can redistribute it and/or modify
  25  *  it under the terms of the GNU General Public License as published by
  26  *  the Free Software Foundation; either version 2, or (at your option)
  27  *  any later version.
  28  *
  29  *  This Program is distributed in the hope that it will be useful,
  30  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  31  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  32  *  GNU General Public License for more details.
  33  *
  34  *  You should have received a copy of the GNU General Public License
  35  *  along with XBMC; see the file COPYING.  If not, write to
  36  *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  37  *  http://www.gnu.org/copyleft/gpl.html
  38  *
  39  */
  40
  41 class CCriticalSection
  42 {
  43 public:
  44   // Constructor/destructor.
  45   CCriticalSection();
  46   virtual ~CCriticalSection();
  47
  48   XCriticalSection& getCriticalSection() { return m_criticalSection; }
  49
  50 private:
  51   XCriticalSection m_criticalSection;
  52
  53   //don't allow copying a CCriticalSection
  54   CCriticalSection(const CCriticalSection& section) {}
  55   CCriticalSection& operator=(const CCriticalSection& section) {return *this;}
  56 };
  57
  58 // The CCritical section overloads.
  59 void InitializeCriticalSection(CCriticalSection* section);
  60 void DeleteCriticalSection(CCriticalSection* section);
  61 BOOL OwningCriticalSection(CCriticalSection* section);
  62 DWORD ExitCriticalSection(CCriticalSection* section);
  63 void RestoreCriticalSection(CCriticalSection* section, DWORD count);
  64 void EnterCriticalSection(CCriticalSection* section);
  65 void LeaveCriticalSection(CCriticalSection* section);
  66
  67 // And a few special ones.
  68 void EnterCriticalSection(CCriticalSection& section);
  69 void LeaveCriticalSection(CCriticalSection& section);
  70 BOOL OwningCriticalSection(CCriticalSection& section);
  71 DWORD ExitCriticalSection(CCriticalSection& section);
  72 void RestoreCriticalSection(CCriticalSection& section, DWORD count);
  73
  74 #endif