void ThreadPool::executeOneTaskIfPossible_CRITICAL_SECTION()
{
if ( m_tasks.empty() && m_idleTasks.empty() && (!m_isMainThread.get() || m_mainThreadTasks.empty()) )
m_stateCond.wait( m_stateMutex );
else
{
std::vector<Task *> *taskQueue;
if ( m_isMainThread.get() && !m_mainThreadTasks.empty() )
taskQueue = &m_mainThreadTasks;
else if ( !m_tasks.empty() )
taskQueue = &m_tasks;
else taskQueue = &m_idleTasks;
Task *task = taskQueue->back();
size_t index;
bool keep;
task->preExecute_CRITICAL_SECTION( index, keep );
if ( !keep )
taskQueue->pop_back();
m_stateMutex.release();
try
{
task->execute( index );
}
catch ( Exception e )
{
Util::SimpleString prefixedException = "Exception: " + e.getDesc();
RC::Handle<LogCollector> logCollector = task->getLogCollector();
if ( logCollector )
logCollector->add( prefixedException.data(), prefixedException.length() );
}
catch ( ... )
{
static Util::SimpleString const genericException = "Exception (unknown)";
RC::Handle<LogCollector> logCollector = task->getLogCollector();
if ( logCollector )
logCollector->add( genericException.data(), genericException.length() );
}
m_stateMutex.acquire();
task->postExecute_CRITICAL_SECTION();
if ( task->completed_CRITICAL_SECTION() )
{
void (*finishedCallback)( void * ) = task->getFinishedCallback();
if ( finishedCallback )
finishedCallback( task->getFinishedUserdata() );
task->dispose();
// [pzion 20101108] Must wake waiter because they might be
// waiting on the task completion
m_stateCond.broadcast();
}
}
}
