/// Run all currently active schedulers.
/// If we're the only reference holder to a document, release the document and its scheduler
void update( void )
{
SchedulerMap::iterator it = schedulers.begin();
while( it != schedulers.end() ) {
// grab the next pointer in case we erase the current one
SchedulerMap::iterator next = it;
next++;
ElementDocument *doc = it->first;
FunctionCallScheduler *scheduler = it->second;
if( doc->GetReferenceCount() == 1 ) {
scheduler->shutdown();
__delete__( scheduler );
doc->RemoveReference();
schedulers.erase( it );
}
else {
scheduler->update();
}
// advance
it = next;
}
}
