Jack2: JackWaitThreadedDriver.h Source File

Jack2 1.9.12

JackWaitThreadedDriver.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 __JackWaitThreadedDriver__
22 #define __JackWaitThreadedDriver__
23
24 #include "JackThreadedDriver.h"
25 #include "JackTimedDriver.h"
26
27 namespace Jack
28 {
29
38 class SERVER_EXPORT JackWaitThreadedDriver : public JackThreadedDriver
39 {
40 private:
41
42 struct JackDriverStarter : public JackRunnableInterface
43 {
44
45 JackDriver* fDriver;
46 JackThread fThread;
47 volatile bool fRunning;
48
49 JackDriverStarter(JackDriver* driver)
50 :fDriver(driver), fThread(this), fRunning(false)
51 {}
52
53 ~JackDriverStarter()
54 {
55 fThread.Kill();
56 }
57
58 int Start()
59 {
60 fRunning = false;
61 return fThread.Start();
62 }
63
64 // JackRunnableInterface interface
65 bool Execute()
66 {
67 // Blocks until decorated driver is started (that is when it's Initialize method returns).
68 if (fDriver->Initialize()) {
69 fRunning = true;
70 } else {
71 jack_error("Initing net driver fails...");
72 }
73
74 return false;
75 }
76
77 };
78
79 JackDriverStarter fStarter;
80
81 public:
82
83 JackWaitThreadedDriver(JackDriver* net_driver)
84 : JackThreadedDriver(net_driver), fStarter(net_driver)
85 {}
86 virtual ~JackWaitThreadedDriver()
87 {}
88
89 // JackRunnableInterface interface
90 bool Init();
91 bool Execute();
92
93 protected:
94
95 virtual bool ExecuteReal();
96 };
97
98
99 } // end of namespace
100
101
102 #endif
Jack::JackThreadedDriver
The base class for threaded drivers using a "decorator" pattern. Threaded drivers are used with block...
Definition: JackThreadedDriver.h:34
Jack::JackWaitThreadedDriver
Wrapper for a restartable threaded driver (e.g. JackNetDriver).
Definition: JackWaitThreadedDriver.h:38
Jack::JackRunnableInterface
The base class for runnable objects, that have an Init and Execute method to be called in a threa...
Definition: JackThread.h:34
jack_error
SERVER_EXPORT void jack_error(const char *fmt,...)
Definition: JackError.cpp:92
Jack::JackDriver
Definition: JackDriver.h:127
Jack::JackMachThread
Darwin threads. Real-time threads are actually "time constraint" threads.
Definition: JackMachThread.h:92