windows/JackWinProcessSync.h

   1 /*
   2 Copyright (C) 2004-2006 Grame
   3
   4 This program is free software; you can redistribute it and/or modify
   5   it under the terms of the GNU General Public License as published by
   6   the Free Software Foundation; either version 2 of the License, or
   7   (at your option) any later version.
   8
   9   This program is distributed in the hope that it will be useful,
  10   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12   GNU General Public License for more details.
  13
  14   You should have received a copy of the GNU General Public License
  15   along with this program; if not, write to the Free Software
  16   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #ifndef __JackWinProcessSync__
  21 #define __JackWinProcessSync__
  22
  23 #include "JackWinMutex.h"
  24
  25 namespace Jack
  26 {
  27
  28 /*!
  29 \brief  A synchronization primitive built using a condition variable.
  30 */
  31
  32 class JackWinProcessSync : public JackWinMutex
  33 {
  34
  35     private:
  36
  37         HANDLE fEvent;
  38
  39     public:
  40
  41         JackWinProcessSync():JackWinMutex()
  42         {
  43             fEvent = (HANDLE)CreateEvent(NULL, FALSE, FALSE, NULL);
  44         }
  45         ~JackWinProcessSync()
  46         {
  47             CloseHandle(fEvent);
  48         }
  49
  50         bool TimedWait(long usec);
  51         bool LockedTimedWait(long usec);
  52
  53         void Wait();
  54         void LockedWait();
  55
  56         void Signal();
  57         void LockedSignal();
  58
  59         void SignalAll();
  60         void LockedSignalAll();
  61 };
  62
  63 } // end of namespace
  64
  65 #endif
  66