static unique_ptr<MappedFile> load(sfz::StringSlice resource_path) {
return load_first(
resource_path,
{
format("{0}/{1}", dirs().scenarios, sys.prefs->scenario_identifier()),
format("{0}/{1}", dirs().scenarios, kFactoryScenarioIdentifier),
application_path(),
});
}
bool pop( T& value_ ) {
MPSCNode<T>* first = const_cast<MPSCNode<T>*>( load_first( std::memory_order_relaxed ) );
MPSCNode<T>* next = const_cast<MPSCNode<T>*>( first->load_next( std::memory_order_acquire ) );
if( next ) {
store_first( next, std::memory_order_relaxed );
assign_or_move( value_, next->get_mutable_value() );
delete first;
return true;
}
return false;
}
~MPSCQueue() {
MPSCNode<T>* first = const_cast<MPSCNode<T>*>( load_first( std::memory_order_relaxed ) );
MPSCNode<T>* next;
for( MPSCNode<T>* node = first; node; node = next ) {
next = const_cast<MPSCNode<T>*>( node->load_next( std::memory_order_relaxed ) );
delete node;
if( next == first ) {
break;
}
}
}
