wxSemaError wxSemaphoreInternal::WaitTimeout(unsigned long milliseconds)
{
wxMutexLocker locker(m_mutex);
wxLongLong startTime = wxGetLocalTimeMillis();
while ( m_count == 0 )
{
wxLongLong elapsed = wxGetLocalTimeMillis() - startTime;
long remainingTime = (long)milliseconds - (long)elapsed.GetLo();
if ( remainingTime <= 0 )
{
// timeout
return wxSEMA_TIMEOUT;
}
switch ( m_cond.WaitTimeout(remainingTime) )
{
case wxCOND_TIMEOUT:
return wxSEMA_TIMEOUT;
default:
return wxSEMA_MISC_ERROR;
case wxCOND_NO_ERROR:
;
}
}
m_count--;
return wxSEMA_NO_ERROR;
}
Job *JobPoolWorker::GetJob()
{
wxMutexLocker mutLock(*lock);
Job *req(NULL);
if (queue->empty()) {
idleThreads++;
signal->WaitTimeout(100);
idleThreads--;
}
if ( !queue->empty() ) {
req = queue->front();
queue->pop_front();
}
return req;
}
