cec: fixed return value of StopThread()
[deb_libcec.git] / src / lib / util / threads.h
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1#pragma once
2/*
3 * This file is part of the libCEC(R) library.
4 *
5 * libCEC(R) is Copyright (C) 2011 Pulse-Eight Limited. All rights reserved.
6 * libCEC(R) is an original work, containing original code.
7 *
8 * libCEC(R) is a trademark of Pulse-Eight Limited.
9 *
10 * This program is dual-licensed; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23 *
24 *
25 * Alternatively, you can license this library under a commercial license,
26 * please contact Pulse-Eight Licensing for more information.
27 *
28 * For more information contact:
29 * Pulse-Eight Licensing <license@pulse-eight.com>
30 * http://www.pulse-eight.com/
31 * http://www.pulse-eight.net/
32 */
33
34#include "../libPlatform/os-dependent.h"
35
36class CMutex;
37
38class CCondition
39{
40public:
41 CCondition(void);
60fa4578 42 virtual ~CCondition(void);
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43
44 void Signal(void);
45 bool Wait(CMutex *mutex, int64_t iTimeout);
46 static void Sleep(int iTimeout);
47
48private:
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49 pthread_cond_t m_cond;
50};
51
52class CMutex
53{
54public:
55 CMutex(void);
56 virtual ~CMutex(void);
57
60fa4578 58 bool TryLock(void);
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59 bool Lock(void);
60 void Unlock(void);
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61
62 pthread_mutex_t m_mutex;
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63};
64
65class CLockObject
66{
67public:
60fa4578 68 CLockObject(CMutex *mutex);
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69 ~CLockObject(void);
70
71 bool IsLocked(void) const { return m_bLocked; }
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72 void Leave(void);
73 void Lock(void);
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74
75private:
76 CMutex *m_mutex;
77 bool m_bLocked;
78};
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79
80class CThread
81{
82public:
83 CThread(void);
84 virtual ~CThread(void);
85
86 virtual bool IsRunning(void) const { return m_bRunning; }
87 virtual bool CreateThread(void);
d522ed7e 88 virtual void StopThread(bool bWaitForExit = true);
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89
90 static void *ThreadHandler(CThread *thread);
91 virtual void *Process(void) = 0;
92
93protected:
94 pthread_t m_thread;
95 bool m_bRunning;
96 bool m_bStop;
97};