Jack2  1.9.11-RC1
JackWaitThreadedDriver.cpp
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 #include "JackSystemDeps.h"
22 #include "JackWaitThreadedDriver.h"
23 #include "JackGlobals.h"
24 #include "JackClient.h"
25 #include "JackEngineControl.h"
26 #include "JackException.h"
27 #include "JackError.h"
28 #include "JackTools.h"
29 
30 namespace Jack
31 {
32 
34 {
35  return (fStarter.Start() == 0);
36 }
37 
38 bool JackWaitThreadedDriver::Execute()
39 {
40  SetRealTime();
41 
42  // Process a null cycle until NetDriver has started
43  while (!fStarter.fRunning && fThread.GetStatus() == JackThread::kRunning) {
44  // Use base class method
45  assert(static_cast<JackWaiterDriver*>(fDriver));
46  static_cast<JackWaiterDriver*>(fDriver)->ProcessNull();
47  }
48 
49  return ExecuteReal();
50 }
51 
53 {
54  try {
55 
56  // Switch to keep running even in case of error
57  while (fThread.GetStatus() == JackThread::kRunning) {
58  fDriver->Process();
59  }
60 
61  return false;
62 
63  } catch (JackNetException& e) {
64 
65  e.PrintMessage();
66  jack_info("Driver is restarted");
67  fThread.DropSelfRealTime();
68 
69  // Thread has been stopped...
70  if (fThread.GetStatus() == JackThread::kIdle) {
71  return false;
72  }
73 
74  // Thread in kIniting status again...
75  fThread.SetStatus(JackThread::kIniting);
76  if (Init()) {
77  // Thread in kRunning status again...
78  fThread.SetStatus(JackThread::kRunning);
79  return true;
80  }
81 
82  return false;
83  }
84 }
85 
86 } // end of namespace
SERVER_EXPORT void jack_info(const char *fmt,...)
Definition: JackError.cpp:100
Exception possibly thrown by Net slaves.