OSCollection * OSOrderedSet::copyCollection(OSDictionary *cycleDict)
{
bool allocDict = !cycleDict;
OSCollection *ret = 0;
OSOrderedSet *newSet = 0;
if (allocDict) {
cycleDict = OSDictionary::withCapacity(16);
if (!cycleDict)
return 0;
}
do {
// Check for a cycle
ret = super::copyCollection(cycleDict);
if (ret)
continue;
// Duplicate the set with no contents
newSet = OSOrderedSet::withCapacity(capacity, ordering, orderingRef);
if (!newSet)
continue;
// Insert object into cycle Dictionary
cycleDict->setObject((const OSSymbol *) this, newSet);
newSet->capacityIncrement = capacityIncrement;
// Now copy over the contents to the new duplicate
for (unsigned int i = 0; i < count; i++) {
OSObject *obj = EXT_CAST(array[i].obj);
OSCollection *coll = OSDynamicCast(OSCollection, obj);
if (coll) {
OSCollection *newColl = coll->copyCollection(cycleDict);
if (newColl) {
obj = newColl; // Rely on cycleDict ref for a bit
newColl->release();
}
else
goto abortCopy;
};
newSet->setLastObject(obj);
};
ret = newSet;
newSet = 0;
} while (false);
abortCopy:
if (newSet)
newSet->release();
if (allocDict)
cycleDict->release();
return ret;
}
void
IOCatalogue::ping(thread_call_param_t arg, thread_call_param_t)
{
IOCatalogue * self = (IOCatalogue *) arg;
OSOrderedSet * set;
OSDictionary * table;
int newLimit;
set = OSOrderedSet::withCapacity( 1 );
IOLockLock( &self->lock );
for( newLimit = 0; newLimit < kDriversPerIter; newLimit++) {
table = (OSDictionary *) self->array->getObject(
hackLimit + newLimit );
if( table) {
set->setLastObject( table );
OSSymbol * sym = (OSSymbol *) table->getObject(gIOClassKey);
kprintf("enabling %s\n", sym->getCStringNoCopy());
} else {
newLimit--;
break;
}
}
IOService::catalogNewDrivers( set );
hackLimit += newLimit;
self->generation++;
IOLockUnlock( &self->lock );
if( kDriversPerIter == newLimit) {
AbsoluteTime deadline;
clock_interval_to_deadline(500, kMillisecondScale);
thread_call_func_delayed(ping, this, deadline);
}
}