iokit/Kernel/IOService.cpp

1026             ArbitrationLockQueueElement * victim = 0;
1052                         victim = waiting;
1086                             if( victim ) {
1088                                 // we do have a willing victim, fail it's lock
1089                                 victim->aborted = true;
1091                                 // take the victim off the waiting queue
1093                                               victim,
1097                                 // wake the victim
1099                                               victim,
1707     IOService *	 victim;
1738     victim = this;
1739     victim->retain();
1741     while( victim ) {
1743 		didInactive = victim->lockForArbitration( true );
1745             didInactive = (0 == (victim->__state[0] & kIOServiceInactiveState));
1747                 victim->__state[0] |= kIOServiceInactiveState;
1748                 victim->__state[0] &= ~(kIOServiceRegisteredState | kIOServiceMatchedState
1751 				if (victim == this)
1752 					victim->__state[1] |= kIOServiceTermPhase1State;
1754                 victim->_adjustBusy( 1 );
1756             } else if (victim != this) do {
1759 				wait = (victim->__state[1] & kIOServiceTermPhase1State);
1761 				    TLOG("%s::waitPhase1(%s)\n", getName(), victim->getName());
1762 					victim->__state[1] |= kIOServiceTerm1WaiterState;
1763 					victim->unlockForArbitration();
1764 					assert_wait((event_t)&victim->__state[1], THREAD_UNINT);
1769 				    TLOG("%s::did waitPhase1(%s)\n", getName(), victim->getName());
1770 					victim->lockForArbitration();
1774 			victim->unlockForArbitration();
1776         if( victim == this)
1780             victim->deliverNotification( gIOTerminatedNotification, 0, 0xffffffff );
1781             IOUserClient::destroyUserReferences( victim );
1783             iter = victim->getClientIterator();
1787                             client->getName(), victim->getName(), (long long)options);
1788                     ok = client->requestTerminate( victim, options );
1790                             client->getName(), victim->getName(), ok);
1793 		    uint64_t regID2 = victim->getRegistryEntryID();
1808         victim->release();
1809         victim = (IOService *) makeInactive->getObject(0);
1810         if( victim) {
1811             victim->retain();
1869                 // wait for the victim to go non-busy
1993 void IOService::actionWillTerminate( IOService * victim, IOOptionBits options,
2002     iter = victim->getClientIterator();
2006                     client->getName(), victim->getName(), (long long)options);
2009 	    uint64_t regID2 = victim->getRegistryEntryID();
2017             ok = client->willTerminate( victim, options );
2024 void IOService::actionDidTerminate( IOService * victim, IOOptionBits options,
2032     victim->messageClients( kIOMessageServiceIsTerminated, (void *) options );
2034     iter = victim->getClientIterator();
2038                     client->getName(), victim->getName(), (long long)options);
2039             client->didTerminate( victim, options, &defer );
2042 	    uint64_t regID2 = victim->getRegistryEntryID();
2052                     client->getName(), victim->getName(), defer);
2058 void IOService::actionFinalize( IOService * victim, IOOptionBits options,
2062     TLOG("%s::finalize(%08llx)\n", victim->getName(), (long long)options);
2064     uint64_t regID1 = victim->getRegistryEntryID();
2071     victim->finalize( options );
2102     IOService * 	victim;
2121         while( (victim = (IOService *) gIOTerminatePhase2List->getObject(0) )) {
2123             victim->retain();
2127             while( victim ) {
2129                 doPhase2 = victim->lockForArbitration( true );
2131                     doPhase2 = (0 != (kIOServiceInactiveState & victim->__state[0]));
2133                         doPhase2 = (0 == (victim->__state[1] & kIOServiceTermPhase2State))
2134                                 && (0 == (victim->__state[1] & kIOServiceConfigState));
2136                             victim->__state[1] |= kIOServiceTermPhase2State;
2138                     victim->unlockForArbitration();
2141                     if( 0 == victim->getClient()) {
2144                         gIOFinalizeList->tailQ( victim );
2148                                             victim, (void *) options, (void *) doPhase2List );
2150                     didPhase2List->headQ( victim );
2152                 victim->release();
2153                 victim = (IOService *) doPhase2List->getObject(0);
2154                 if( victim) {
2155                     victim->retain();
2160             while( (victim = (IOService *) didPhase2List->getObject(0)) ) {
2162                 if( victim->lockForArbitration( true )) {
2163                     victim->__state[1] |= kIOServiceTermPhase3State;
2164                     victim->unlockForArbitration();
2167                                     victim, (void *) options );
2177             while( (victim = (IOService *) gIOFinalizeList->getObject(0))) {
2181                                     victim, (void *) options );
2184                 freeList->setObject( victim );