common/JackSynchro.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 #ifndef __JackSynchro__
  21 #define __JackSynchro__
  22
  23 #define SYNC_MAX_NAME_SIZE 256
  24
  25 namespace Jack
  26 {
  27
  28 namespace detail
  29 {
  30
  31 /*!
  32 \brief An inter process synchronization primitive.
  33 */
  34
  35 class JackSynchro
  36 {
  37
  38     protected:
  39
  40         char fName[SYNC_MAX_NAME_SIZE];
  41         bool fFlush; // If true, signal are "flushed" : used for drivers that do no consume the signal
  42
  43         void BuildName(const char* name, const char* server_name, char* res)
  44         {}
  45
  46     public:
  47
  48         JackSynchro(): fFlush(false)
  49         {}
  50         ~JackSynchro()
  51         {}
  52
  53         bool Signal()
  54         {
  55             return true;
  56         }
  57         bool SignalAll()
  58         {
  59             return true;
  60         }
  61         bool Wait()
  62         {
  63             return true;
  64         }
  65         bool TimedWait(long usec)
  66         {
  67             return true;
  68         }
  69         bool Allocate(const char* name, const char* server_name, int value)
  70         {
  71             return true;
  72         }
  73         bool Connect(const char* name, const char* server_name)
  74         {
  75             return true;
  76         }
  77         bool ConnectInput(const char* name, const char* server_name)
  78         {
  79             return true;
  80         }
  81         bool ConnectOutput(const char* name, const char* server_name)
  82         {
  83             return true;
  84         }
  85         bool Disconnect()
  86         {
  87             return true;
  88         }
  89         void Destroy()
  90         {}
  91
  92         void SetFlush(bool mode)
  93         {
  94             fFlush = mode;
  95         }
  96
  97 };
  98
  99 }
 100
 101 } // end of namespace
 102
 103 #endif
 104