cec: added the vendor id for Sony
[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 #include <stdint.h>
36
37 namespace CEC
38 {
39 class CMutex;
40
41 class CCondition
42 {
43 public:
44 CCondition(void);
45 virtual ~CCondition(void);
46
47 void Broadcast(void);
48 void Signal(void);
49 bool Wait(CMutex *mutex, uint32_t iTimeout = 0);
50 static void Sleep(uint32_t iTimeout);
51
52 private:
53 pthread_cond_t m_cond;
54 };
55
56 class CMutex
57 {
58 public:
59 CMutex(bool bRecursive = true);
60 virtual ~CMutex(void);
61
62 bool TryLock(void);
63 bool Lock(void);
64 void Unlock(void);
65
66 pthread_mutex_t m_mutex;
67
68 private:
69 static pthread_mutexattr_t *GetMutexAttribute();
70 };
71
72 class CLockObject
73 {
74 public:
75 CLockObject(CMutex *mutex, bool bTryLock = false);
76 ~CLockObject(void);
77
78 bool IsLocked(void) const { return m_bLocked; }
79 void Leave(void);
80 void Lock(void);
81
82 private:
83 CMutex *m_mutex;
84 bool m_bLocked;
85 };
86
87 class CThread
88 {
89 public:
90 CThread(void);
91 virtual ~CThread(void);
92
93 virtual bool IsRunning(void) const { return m_bRunning; }
94 virtual bool CreateThread(bool bWait = true);
95 virtual bool StopThread(bool bWaitForExit = true);
96 virtual bool IsStopped(void) const { return m_bStop; };
97 virtual bool Sleep(uint32_t iTimeout);
98
99 static void *ThreadHandler(CThread *thread);
100 virtual void *Process(void) = 0;
101
102 protected:
103 CCondition m_threadCondition;
104
105 private:
106 pthread_t m_thread;
107 CMutex m_threadMutex;
108 bool m_bStop;
109 bool m_bRunning;
110 };
111 };