windows/JackWinSemaphore.h

   1 /*
   2 Copyright (C) 2004-2005 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 __JackWinSemaphore__
  21 #define __JackWinSemaphore__
  22
  23 #include "JackSynchro.h"
  24 #include <windows.h>
  25 #include <assert.h>
  26
  27 namespace Jack
  28 {
  29
  30 /*!
  31 \brief Inter process synchronization using system wide semaphore.
  32 */
  33
  34 class JackWinSemaphore : public detail::JackSynchro
  35 {
  36
  37     private:
  38
  39         HANDLE fSemaphore;
  40
  41     protected:
  42
  43         void BuildName(const char* name, const char* server_name, char* res);
  44
  45     public:
  46
  47         JackWinSemaphore():JackSynchro(), fSemaphore(NULL)
  48         {}
  49
  50         bool Signal();
  51         bool SignalAll();
  52         bool Wait();
  53         bool TimedWait(long usec);
  54
  55         bool Allocate(const char* name, const char* server_name, int value);
  56         bool Connect(const char* name, const char* server_name);
  57         bool ConnectInput(const char* name, const char* server_name);
  58         bool ConnectOutput(const char* name, const char* server_name);
  59         bool Disconnect();
  60         void Destroy();
  61 };
  62
  63 } // end of namespace
  64
  65 #endif
  66