Jack2: JackWaitThreadedDriver.cpp Source File

Jack2 1.9.12

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
33 bool JackWaitThreadedDriver::Init()
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
52 bool JackWaitThreadedDriver::ExecuteReal()
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
Jack::JackWaitThreadedDriver::ExecuteReal
virtual bool ExecuteReal()
Definition: JackWaitThreadedDriver.cpp:52
jack_info
SERVER_EXPORT void jack_info(const char *fmt,...)
Definition: JackError.cpp:100
Jack::JackWaitThreadedDriver::Init
bool Init()
Definition: JackWaitThreadedDriver.cpp:33
Jack::JackNetException
Exception possibly thrown by Net slaves.
Definition: JackException.h:103