windows/JackWinSemaphore.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 __JackWinSemaphore__
  22 #define __JackWinSemaphore__
  23
  24 #include "JackSynchro.h"
  25 #ifdef __MINGW32__
  26 #include <winsock2.h>
  27 #endif
  28 #include <windows.h>
  29 #include <assert.h>
  30
  31 namespace Jack
  32 {
  33
  34 /*!
  35 \brief Inter process synchronization using system wide semaphore.
  36 */
  37
  38 class JackWinSemaphore : public detail::JackSynchro
  39 {
  40
  41     private:
  42
  43         HANDLE fSemaphore;
  44
  45     protected:
  46
  47         void BuildName(const char* name, const char* server_name, char* res, int size);
  48
  49     public:
  50
  51         JackWinSemaphore():JackSynchro(), fSemaphore(NULL)
  52         {}
  53
  54         bool Signal();
  55         bool SignalAll();
  56         bool Wait();
  57         bool TimedWait(long usec);
  58
  59         bool Allocate(const char* name, const char* server_name, int value);
  60         bool Connect(const char* name, const char* server_name);
  61         bool ConnectInput(const char* name, const char* server_name);
  62         bool ConnectOutput(const char* name, const char* server_name);
  63         bool Disconnect();
  64         void Destroy();
  65 };
  66
  67 } // end of namespace
  68
  69 #endif
  70