windows/JackWinProcessSync.h

   1 /*
   2  Copyright (C) 2004-2008 Grame
   3
   4  This program is free software; you can redistribute it and/or modify
   5  it under the terms of the GNU Lesser General Public License as published by
   6  the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
  13
  14  You should have received a copy of the GNU Lesser General Public License
  15  along with this program; if not, write to the Free Software
  16  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17
  18  */
  19
  20
  21 #ifndef __JackWinProcessSync__
  22 #define __JackWinProcessSync__
  23
  24 #include "JackWinMutex.h"
  25
  26 namespace Jack
  27 {
  28
  29 /*!
  30 \brief  A synchronization primitive built using a condition variable.
  31 */
  32
  33 class JackWinProcessSync : public JackWinMutex
  34 {
  35
  36     private:
  37
  38         HANDLE fEvent;
  39
  40     public:
  41
  42         JackWinProcessSync():JackWinMutex()
  43         {
  44             fEvent = (HANDLE)CreateEvent(NULL, FALSE, FALSE, NULL);
  45         }
  46         ~JackWinProcessSync()
  47         {
  48             CloseHandle(fEvent);
  49         }
  50
  51         bool TimedWait(long usec);
  52         bool LockedTimedWait(long usec);
  53
  54         void Wait();
  55         void LockedWait();
  56
  57         void Signal();
  58         void LockedSignal();
  59
  60         void SignalAll();
  61         void LockedSignalAll();
  62 };
  63
  64 } // end of namespace
  65
  66 #endif
  67