Jack2 1.9.12

JackPosixThread.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 Lesser General Public License as published by
7 the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18
19 */
20
21 #ifndef __JackPosixThread__
22 #define __JackPosixThread__
23
24 #include "JackThread.h"
25 #include <pthread.h>
26
27 namespace Jack
28 {
29
30 /* use 512KB stack per thread - the default is way too high to be feasible
31 * with mlockall() on many systems */
32 #define THREAD_STACK 524288
33
38 class SERVER_EXPORT JackPosixThread : public detail::JackThreadInterface
39 {
40
41 protected:
42
43 jack_native_thread_t fThread;
44 static void* ThreadHandler(void* arg);
45
46 public:
47
48 JackPosixThread(JackRunnableInterface* runnable, bool real_time, int priority, int cancellation)
49 : JackThreadInterface(runnable, priority, real_time, cancellation), fThread((jack_native_thread_t)NULL)
50 {}
51 JackPosixThread(JackRunnableInterface* runnable, int cancellation = PTHREAD_CANCEL_ASYNCHRONOUS)
52 : JackThreadInterface(runnable, 0, false, cancellation), fThread((jack_native_thread_t)NULL)
53 {}
54
55 int Start();
56 int StartSync();
57 int Kill();
58 int Stop();
59 void Terminate();
60
61 int AcquireRealTime(); // Used when called from another thread
62 int AcquireSelfRealTime(); // Used when called from thread itself
63
64 int AcquireRealTime(int priority); // Used when called from another thread
65 int AcquireSelfRealTime(int priority); // Used when called from thread itself
66
67 int DropRealTime(); // Used when called from another thread
68 int DropSelfRealTime(); // Used when called from thread itself
69
70 jack_native_thread_t GetThreadID();
71 bool IsThread();
72
73 static int AcquireRealTimeImp(jack_native_thread_t thread, int priority);
74 static int AcquireRealTimeImp(jack_native_thread_t thread, int priority, UInt64 period, UInt64 computation, UInt64 constraint)
75 {
76 return JackPosixThread::AcquireRealTimeImp(thread, priority);
77 }
78 static int DropRealTimeImp(jack_native_thread_t thread);
79 static int StartImp(jack_native_thread_t* thread, int priority, int realtime, void*(*start_routine)(void*), void* arg);
80 static int StopImp(jack_native_thread_t thread);
81 static int KillImp(jack_native_thread_t thread);
82 };
83
84 SERVER_EXPORT void ThreadExit();
85
86 } // end of namespace
87
88
89 #endif
Jack::detail::JackThreadInterface
The thread base class.
Definition: JackThread.h:60
Jack::JackPosixThread
The POSIX thread base class.
Definition: JackPosixThread.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