static IOReturn _terminateDrivers(OSDictionary * matching) { OSDictionary * dict; OSIterator * iter; IOService * service; IOReturn ret; if ( !matching ) return kIOReturnBadArgument; ret = kIOReturnSuccess; dict = 0; iter = IORegistryIterator::iterateOver(gIOServicePlane, kIORegistryIterateRecursively); if ( !iter ) return kIOReturnNoMemory; UniqueProperties( matching ); // terminate instances. do { iter->reset(); while( (service = (IOService *)iter->getNextObject()) ) { dict = service->getPropertyTable(); if ( !dict ) continue; /* Terminate only for personalities that match the matching dictionary. * This comparison must be done with only the keys in the * "matching" dict to enable general matching. */ if ( !dict->isEqualTo(matching, matching) ) continue; if ( !service->terminate(kIOServiceRequired|kIOServiceSynchronous) ) { ret = kIOReturnUnsupported; break; } } } while( !service && !iter->isValid()); iter->release(); return ret; }