1 |
schoenebeck |
53 |
/*************************************************************************** |
2 |
|
|
* * |
3 |
|
|
* LinuxSampler - modular, streaming capable sampler * |
4 |
|
|
* * |
5 |
schoenebeck |
56 |
* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
6 |
schoenebeck |
53 |
* * |
7 |
|
|
* This program is free software; you can redistribute it and/or modify * |
8 |
|
|
* it under the terms of the GNU General Public License as published by * |
9 |
|
|
* the Free Software Foundation; either version 2 of the License, or * |
10 |
|
|
* (at your option) any later version. * |
11 |
|
|
* * |
12 |
|
|
* This program is distributed in the hope that it will be useful, * |
13 |
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
14 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
15 |
|
|
* GNU General Public License for more details. * |
16 |
|
|
* * |
17 |
|
|
* You should have received a copy of the GNU General Public License * |
18 |
|
|
* along with this program; if not, write to the Free Software * |
19 |
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, * |
20 |
|
|
* MA 02111-1307 USA * |
21 |
|
|
***************************************************************************/ |
22 |
|
|
|
23 |
|
|
#ifndef __THREAD_H__ |
24 |
|
|
#define __THREAD_H__ |
25 |
|
|
|
26 |
|
|
#include <iostream> |
27 |
|
|
#include <stdio.h> |
28 |
|
|
#include <stdlib.h> |
29 |
|
|
#include <sched.h> |
30 |
|
|
#include <sys/mman.h> |
31 |
|
|
#include <memory.h> |
32 |
|
|
#include <pthread.h> |
33 |
|
|
#include <errno.h> |
34 |
|
|
|
35 |
|
|
/// Abstract base class for classes that need to run in an own thread. |
36 |
|
|
class Thread { |
37 |
|
|
public: |
38 |
schoenebeck |
392 |
Thread(bool LockMemory, bool RealTime, int PriorityMax, int PriorityDelta); |
39 |
schoenebeck |
53 |
virtual ~Thread(); |
40 |
|
|
virtual int StartThread(); |
41 |
|
|
virtual int StopThread(); |
42 |
schoenebeck |
57 |
virtual int SignalStartThread(); |
43 |
schoenebeck |
53 |
virtual int SignalStopThread(); |
44 |
|
|
virtual bool IsRunning() { return Running; } |
45 |
|
|
virtual int SetSchedulingPriority(); //FIXME: should be private |
46 |
schoenebeck |
392 |
virtual int LockMemory(); //FIXME: should be private |
47 |
schoenebeck |
53 |
virtual void EnableDestructor(); //FIXME: should be private |
48 |
|
|
virtual int Destructor(); //FIXME: should be private |
49 |
|
|
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 |
50 |
|
|
private: |
51 |
|
|
pthread_t __thread_id; |
52 |
|
|
pthread_key_t __thread_destructor_key; |
53 |
|
|
pthread_mutex_t __thread_state_mutex; |
54 |
schoenebeck |
57 |
pthread_cond_t __thread_start_condition; |
55 |
schoenebeck |
53 |
pthread_cond_t __thread_exit_condition; |
56 |
|
|
int PriorityMax; |
57 |
|
|
int PriorityDelta; |
58 |
|
|
bool Running; |
59 |
|
|
bool isRealTime; |
60 |
schoenebeck |
392 |
bool bLockedMemory; |
61 |
schoenebeck |
53 |
}; |
62 |
|
|
|
63 |
|
|
// Callback functions for the POSIX thread API |
64 |
|
|
void* __pthread_launcher(void* thread); |
65 |
|
|
void __pthread_destructor(void* thread); |
66 |
|
|
|
67 |
|
|
#endif // __THREAD_H__ |