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This commit is contained in:
Uwe L. Korn
2014-10-12 16:27:49 +01:00
parent b62a930962
commit cb373ca65c
1 changed files with 26 additions and 5 deletions
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31
src/libtomahawk/database/Database.cpp
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@@ -242,16 +242,37 @@ Database::enqueue( const Tomahawk::dbcmd_ptr& lc )
{
workerThread = m_workerThreads.at( i );
if ( workerThread && workerThread->worker() && !workerThread->worker()->busy() )
if ( !workerThread || !workerThread->worker() )
{
// We have no valid worker for the current thread so skip it.
continue;
}
if ( !workerThread->worker()->busy() )
{
// Case 1: We have a workerThread with no outstanding jobs.
// As this is the optimal situation we do not need to look at
// the other workers.
happyWorker = workerThread->worker();
break;
}
busyThreads++;
else
{
busyThreads++;
if ( ( !happyWorker && workerThread && workerThread->worker() ) ||
( workerThread && workerThread->worker() && workerThread->worker()->outstandingJobs() < happyWorker->outstandingJobs() ) )
happyWorker = workerThread->worker();
if ( !happyWorker )
{
// Case 2: We have not yet got a happyWorker but the current
// workerThread has a worker so use it as a fallback.
happyWorker = workerThread->worker();
}
else if ( workerThread->worker()->outstandingJobs() < happyWorker->outstandingJobs() )
{
// Case 3: We have a worker and the current worker is less busy
// than the previous minimum.
happyWorker = workerThread->worker();
}
}
}
tDebug( LOGVERBOSE ) << "Enqueueing command to thread:" << happyWorker << busyThreads << lc->commandname();