Jack2  1.9.9
JackDummyDriver.h
1 /*
2 Copyright (C) 2001 Paul Davis
3 Copyright (C) 2004-2008 Grame
4 
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
9 
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14 
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 
19 */
20 
21 #ifndef __JackDummyDriver__
22 #define __JackDummyDriver__
23 
24 #include "JackTimedDriver.h"
25 
26 namespace Jack
27 {
28 
34 {
35 
36  public:
37 
38  JackDummyDriver(const char* name, const char* alias, JackLockedEngine* engine, JackSynchro* table)
39  : JackTimedDriver(name, alias, engine, table)
40  {}
41  virtual ~JackDummyDriver()
42  {}
43 
44  virtual int Process()
45  {
46  JackDriver::CycleTakeBeginTime();
47 
48  if (JackAudioDriver::Process() < 0) {
49  return -1;
50  } else {
51  ProcessWait();
52  return 0;
53  }
54  }
55 
56 };
57 
58 } // end of namespace
59 
60 #endif
The timed driver.
Inter process synchronization using using Mach semaphore.
Locked Engine, access to methods is serialized using a mutex.
The dummy driver.