3 * This file is part of the libCEC(R) library.
5 * libCEC(R) is Copyright (C) 2011 Pulse-Eight Limited. All rights reserved.
6 * libCEC(R) is an original work, containing original code.
8 * libCEC(R) is a trademark of Pulse-Eight Limited.
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.
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.
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.
25 * Alternatively, you can license this library under a commercial license,
26 * please contact Pulse-Eight Licensing for more information.
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/
39 inline PreventCopy(void) {}
40 inline ~PreventCopy(void) {}
43 inline PreventCopy(const PreventCopy
&c
) { *this = c
; }
44 inline PreventCopy
&operator=(const PreventCopy
&c
){ *this = c
; return *this; }
49 class CMutex
: public PreventCopy
51 friend class CCondition
;
65 inline bool TryLock(void)
67 if (MutexTryLock(m_mutex
))
75 inline bool Lock(void)
82 inline void Unlock(void)
86 if (m_iLockCount
>= 2)
97 inline bool Clear(void)
102 unsigned int iLockCount
= m_iLockCount
;
103 for (unsigned int iPtr
= 0; iPtr
< iLockCount
; iPtr
++)
112 volatile unsigned int m_iLockCount
;
115 class CLockObject
: public PreventCopy
118 inline CLockObject(CMutex
&mutex
, bool bClearOnExit
= false) :
120 m_bClearOnExit(bClearOnExit
)
125 inline ~CLockObject(void)
133 inline bool TryLock(void)
135 return m_mutex
.TryLock();
138 inline void Unlock(void)
143 inline bool Clear(void)
145 return m_mutex
.Clear();
148 inline bool Lock(void)
150 return m_mutex
.Lock();
158 class CCondition
: public PreventCopy
161 inline CCondition(void)
163 ConditionCreate(m_condition
);
166 inline ~CCondition(void)
169 ConditionDelete(m_condition
);
172 inline void Broadcast(void)
174 ConditionBroadcast(m_condition
);
177 inline void Signal(void)
179 ConditionSignal(m_condition
);
182 inline bool Wait(CMutex
&mutex
, uint32_t iTimeout
= 0)
184 return ConditionWait(m_condition
, mutex
.m_mutex
, iTimeout
);
187 static void Sleep(uint32_t iTimeout
)
195 condition_t m_condition
;