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OMXThread.cpp
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OMXThread.cpp
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/*
* Copyright (C) 2005-2008 Team XBMC
* http://www.xbmc.org
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This Program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with XBMC; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#include "OMXThread.h"
#include <stdio.h>
#include "utils/log.h"
#ifdef CLASSNAME
#undef CLASSNAME
#endif
#define CLASSNAME "OMXThread"
OMXThread::OMXThread()
{
pthread_mutex_init(&m_lock, NULL);
pthread_attr_init(&m_tattr);
pthread_attr_setdetachstate(&m_tattr, PTHREAD_CREATE_JOINABLE);
m_thread = 0;
m_bAbort = false;
m_running = false;
}
OMXThread::~OMXThread()
{
pthread_mutex_destroy(&m_lock);
pthread_attr_destroy(&m_tattr);
}
pthread_t OMXThread::main_thread = pthread_self();
bool OMXThread::StopThread()
{
if(!m_running)
{
CLogLog(LOGDEBUG, "%s::%s - No thread running", CLASSNAME, __func__);
return false;
}
m_bAbort = true;
pthread_join(m_thread, NULL);
m_running = false;
m_thread = 0;
CLogLog(LOGDEBUG, "%s::%s - Thread stopped", CLASSNAME, __func__);
return true;
}
void OMXThread::Create()
{
if(m_running)
throw CLASSNAME " - Thread already running";
m_bAbort = false;
m_running = true;
pthread_create(&m_thread, &m_tattr, &OMXThread::Run, this);
CLogLog(LOGDEBUG, "%s::%s - Thread with id %d started", CLASSNAME, __func__, (int)m_thread);
}
bool OMXThread::Running()
{
return m_running;
}
pthread_t OMXThread::ThreadHandle()
{
return m_thread;
}
void *OMXThread::Run(void *arg)
{
OMXThread *thread = static_cast<OMXThread *>(arg);
thread->Process();
CLogLog(LOGDEBUG, "%s::%s - Exited thread with id %d", CLASSNAME, __func__, (int)thread->ThreadHandle());
pthread_exit(NULL);
}
void OMXThread::Lock()
{
pthread_mutex_lock(&m_lock);
}
void OMXThread::UnLock()
{
pthread_mutex_unlock(&m_lock);
}