/[svn]/linuxsampler/trunk/src/common/Thread.h
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Contents of /linuxsampler/trunk/src/common/Thread.h

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Revision 1212 - (show annotations) (download) (as text)
Tue May 29 23:59:36 2007 UTC (16 years, 10 months ago) by schoenebeck
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* added highly experimental support for on-the-fly instrument editing
  within the sampler's process (by using instrument editor plugins),
  you'll notice the new "Registered instrument editors:" message on
  startup, the plugin path can be overridden at compile time with
  ./configure --enable-plugin-dir=/some/dir
* added a new LSCP command "EDIT INSTRUMENT <sampler-channel>" to spawn
  a matching instrument editor for the instrument on the given sampler
  channel (LSCP command syntax might be subject to change soon)
* config.h is not going to be installed along with liblinuxsampler's
  API header files anymore (not necessary anymore)
* take care of $(DESTDIR) when creating the instruments DB on 'make
  install' rule (needed for packaging and cross compilation)
* bumped version to 0.4.0.5cvs

1 /***************************************************************************
2 * *
3 * LinuxSampler - modular, streaming capable sampler *
4 * *
5 * Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck *
6 * Copyright (C) 2005 - 2007 Christian Schoenebeck *
7 * *
8 * This program is free software; you can redistribute it and/or modify *
9 * it under the terms of the GNU General Public License as published by *
10 * the Free Software Foundation; either version 2 of the License, or *
11 * (at your option) any later version. *
12 * *
13 * This program is distributed in the hope that it will be useful, *
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
16 * GNU General Public License for more details. *
17 * *
18 * You should have received a copy of the GNU General Public License *
19 * along with this program; if not, write to the Free Software *
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
21 * MA 02111-1307 USA *
22 ***************************************************************************/
23
24 #ifndef __THREAD_H__
25 #define __THREAD_H__
26
27 #include <iostream>
28 #include <stdio.h>
29 #include <stdlib.h>
30 #include <sched.h>
31 #include <sys/mman.h>
32 #include <memory.h>
33 #include <pthread.h>
34 #include <errno.h>
35
36 namespace LinuxSampler {
37
38 /// Abstract base class for classes that need to run in an own thread.
39 class Thread {
40 public:
41 Thread(bool LockMemory, bool RealTime, int PriorityMax, int PriorityDelta);
42 virtual ~Thread();
43 virtual int StartThread();
44 virtual int StopThread();
45 virtual int SignalStartThread();
46 virtual int SignalStopThread();
47 virtual bool IsRunning();
48 virtual int SetSchedulingPriority(); //FIXME: should be private
49 virtual int LockMemory(); //FIXME: should be private
50 virtual void EnableDestructor(); //FIXME: should be private
51 virtual int Destructor(); //FIXME: should be private
52 virtual int Main() = 0; ///< This method needs to be implemented by the descendant and is the entry point for the new thread. FIXME: should be protected
53 private:
54 pthread_t __thread_id;
55 pthread_key_t __thread_destructor_key;
56 pthread_mutex_t __thread_state_mutex;
57 pthread_cond_t __thread_start_condition;
58 pthread_cond_t __thread_exit_condition;
59 int PriorityMax;
60 int PriorityDelta;
61 bool Running;
62 bool isRealTime;
63 bool bLockedMemory;
64 };
65
66 // Callback functions for the POSIX thread API
67 void* __pthread_launcher(void* thread);
68 void __pthread_destructor(void* thread);
69
70 } // namespace LinuxSampler
71
72 #endif // __THREAD_H__

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