Merge branch 'master' into release
[deb_libcec.git] / src / lib / platform / threads.h
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 "os-dependent.h"
35
36 namespace CEC
37 {
38 class CMutex;
39
40 class CCondition
41 {
42 public:
43 CCondition(void);
44 virtual ~CCondition(void);
45
46 void Signal(void);
47 bool Wait(CMutex *mutex, int64_t iTimeout);
48 static void Sleep(int iTimeout);
49
50 private:
51 pthread_cond_t m_cond;
52 };
53
54 class CMutex
55 {
56 public:
57 CMutex(void);
58 virtual ~CMutex(void);
59
60 bool TryLock(void);
61 bool Lock(void);
62 void Unlock(void);
63
64 pthread_mutex_t m_mutex;
65 };
66
67 class CLockObject
68 {
69 public:
70 CLockObject(CMutex *mutex);
71 ~CLockObject(void);
72
73 bool IsLocked(void) const { return m_bLocked; }
74 void Leave(void);
75 void Lock(void);
76
77 private:
78 CMutex *m_mutex;
79 bool m_bLocked;
80 };
81
82 class CThread
83 {
84 public:
85 CThread(void);
86 virtual ~CThread(void);
87
88 virtual bool IsRunning(void) const { return m_bRunning; }
89 virtual bool CreateThread(void);
90 virtual void StopThread(bool bWaitForExit = true);
91
92 static void *ThreadHandler(CThread *thread);
93 virtual void *Process(void) = 0;
94
95 protected:
96 pthread_t m_thread;
97 bool m_bRunning;
98 bool m_bStop;
99 };
100 };