2 * This file is part of the libCEC(R) library.
4 * libCEC(R) is Copyright (C) 2011 Pulse-Eight Limited. All rights reserved.
5 * libCEC(R) is an original work, containing original code.
7 * libCEC(R) is a trademark of Pulse-Eight Limited.
9 * This program is dual-licensed; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 * Alternatively, you can license this library under a commercial license,
25 * please contact Pulse-Eight Licensing for more information.
27 * For more information contact:
28 * Pulse-Eight Licensing <license@pulse-eight.com>
29 * http://www.pulse-eight.com/
30 * http://www.pulse-eight.net/
34 #include "timeutils.h"
38 pthread_mutex_init(&m_mutex
, NULL
);
39 m_condition
= new CCondition();
46 pthread_mutex_destroy(&m_mutex
);
49 bool CMutex::TryLock(int64_t iTimeout
)
51 m_bLocked
= (pthread_mutex_trylock(&m_mutex
) == 0);
54 if (m_condition
->Wait(this, iTimeout
))
55 m_bLocked
= (pthread_mutex_trylock(&m_mutex
) == 0);
61 bool CMutex::Lock(void)
63 m_bLocked
= (pthread_mutex_lock(&m_mutex
) == 0);
67 void CMutex::Unlock(void)
69 pthread_mutex_unlock(&m_mutex
);
71 m_condition
->Signal();
74 CLockObject::CLockObject(CMutex
*mutex
, int64_t iTimeout
/* = -1 */) :
79 m_bLocked
= m_mutex
->TryLock(iTimeout
);
81 m_bLocked
= m_mutex
->Lock();
84 CLockObject::~CLockObject(void)
91 CCondition::CCondition(void)
93 pthread_cond_init(&m_cond
, NULL
);
97 CCondition::~CCondition(void)
99 pthread_cond_broadcast(&m_cond
);
100 pthread_cond_destroy(&m_cond
);
103 void CCondition::Signal(void)
105 pthread_cond_broadcast(&m_cond
);
108 bool CCondition::Wait(CMutex
*mutex
, int64_t iTimeout
)
110 struct timespec abstime
;
112 if (gettimeofday(&now
, NULL
) == 0)
114 iTimeout
+= now
.tv_usec
/ 1000;
115 abstime
.tv_sec
= now
.tv_sec
+ (time_t)(iTimeout
/ 1000);
116 abstime
.tv_nsec
= (long)((iTimeout
% (unsigned long)1000) * (unsigned long)1000000);
117 m_bSignaled
= (pthread_cond_timedwait(&m_cond
, &mutex
->m_mutex
, &abstime
) == 0);
120 bool bReturn
= m_bSignaled
;
126 void CCondition::Sleep(int iTimeout
)
131 w
.Wait(&m
, iTimeout
);