iokit/Kernel/IOWorkLoop.cpp

154     if ( controlG == NULL ) {
155         controlG = IOCommandGate::commandGate(
162         if ( !controlG )
167         controlG->setWorkLoop(this);
168         if (addEventSource(controlG) != kIOReturnSuccess)
262 	if (controlG) {
263 	    controlG->release();
264 	    controlG = 0;
290     return controlG->runCommand((void *) mAddEvent, (void *) newEvent);
295     return controlG->runCommand((void *) mRemoveEvent, (void *) toRemove);
316 	/* NOTE: controlG is in passiveEventChain since it's an IOCommandGate */
318         if (event != controlG)	// Don't disable the control gate
622 	 * We picked a known quantity controlG that does not override
635 	if (controlG) {
640 		ptr2 = OSMemberFunctionCast(void*, controlG, &IOEventSource::checkForWork);