#include <libkern/c++/OSUnserialize.h>
#include <IOKit/IOCatalogue.h>
#include <IOKit/IOCommand.h>
+#include <IOKit/IODeviceTreeSupport.h>
#include <IOKit/IODeviceMemory.h>
#include <IOKit/IOInterrupts.h>
#include <IOKit/IOInterruptController.h>
#include <IOKit/IOUserClient.h>
#include <IOKit/IOWorkLoop.h>
#include <IOKit/IOTimeStamp.h>
+#include <IOKit/IOHibernatePrivate.h>
#include <mach/sync_policy.h>
#include <IOKit/assert.h>
#include <sys/errno.h>
#define LOG kprintf
//#define LOG IOLog
+#define MATCH_DEBUG 0
#include "IOServicePrivate.h"
#include "IOKitKernelInternal.h"
const OSSymbol * gIOConsoleSessionSecureInputPIDKey;
const OSSymbol * gIOConsoleSessionScreenLockedTimeKey;
-static clock_sec_t gIOConsoleLockTime;
+clock_sec_t gIOConsoleLockTime;
+static bool gIOConsoleLoggedIn;
+static uint32_t gIOScreenLockState;
+static IORegistryEntry * gIOChosenEntry;
static int gIOResourceGenerationCount;
bool IOService::isInactive( void ) const
{ return( 0 != (kIOServiceInactiveState & getState())); }
-
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#if defined(__i386__) || defined(__x86_64__)
_adjustBusy( -busy );
}
+ if (kIOServiceInactiveState & __state[0]) {
+ getMetaClass()->removeInstance(this);
+ }
+
unlockForArbitration();
if( newProvider) {
lockForArbitration();
IOLockLock( gIOServiceBusyLock );
- waitAgain = (prevBusy < (__state[1] & kIOServiceBusyStateMask));
+ waitAgain = ((prevBusy < (__state[1] & kIOServiceBusyStateMask))
+ && (0 == (__state[0] & kIOServiceInactiveState)));
+
if( waitAgain)
__state[1] |= kIOServiceSyncPubState | kIOServiceBusyWaiterState;
else
while( (table = (OSDictionary *) newTables->getFirstObject())) {
- LOCKWRITENOTIFY();
+ LOCKWRITENOTIFY();
set = (OSSet *) copyExistingServices( table,
kIOServiceRegisteredState,
kIOServiceExistingSet);
- UNLOCKNOTIFY();
- if( set) {
+ UNLOCKNOTIFY();
+ if( set) {
#if IOMATCHDEBUG
- count += set->getCount();
+ count += set->getCount();
#endif
- if (allSet) {
- allSet->merge((const OSSet *) set);
- set->release();
- }
- else
- allSet = set;
- }
+ if (allSet) {
+ allSet->merge((const OSSet *) set);
+ set->release();
+ }
+ else
+ allSet = set;
+ }
#if IOMATCHDEBUG
- if( getDebugFlags( table ) & kIOLogMatch)
- LOG("Matching service count = %ld\n", (long)count);
+ if( getDebugFlags( table ) & kIOLogMatch)
+ LOG("Matching service count = %ld\n", (long)count);
#endif
- newTables->removeObject(table);
+ newTables->removeObject(table);
}
if (allSet) {
- while( (service = (IOService *) allSet->getAnyObject())) {
- service->startMatching(kIOServiceAsynchronous);
- allSet->removeObject(service);
- }
- allSet->release();
+ while( (service = (IOService *) allSet->getAnyObject())) {
+ service->startMatching(kIOServiceAsynchronous);
+ allSet->removeObject(service);
+ }
+ allSet->release();
}
newTables->release();
OSSymbol * key = (OSSymbol *) ref;
OSNumber * offset;
- if( (notify = OSDynamicCast( _IOServiceNotifier, entry)))
+ if( (dict = OSDynamicCast( OSDictionary, entry)))
+ offset = OSDynamicCast(OSNumber, dict->getObject( key ));
+ else if( (notify = OSDynamicCast( _IOServiceNotifier, entry)))
return( notify->priority );
else if( (service = OSDynamicCast( IOService, entry)))
offset = OSDynamicCast(OSNumber, service->getProperty( key ));
- else if( (dict = OSDynamicCast( OSDictionary, entry)))
- offset = OSDynamicCast(OSNumber, dict->getObject( key ));
else {
assert( false );
offset = 0;
OSObject * nextMatch = 0;
bool started;
bool needReloc = false;
-#if CONFIG_MACF_KEXT
- OSBoolean * isSandbox = 0;
- bool useSandbox = false;
-#endif
#if IOMATCHDEBUG
SInt64 debugFlags;
#endif
props->setCapacityIncrement(1);
// check the nub matches
- if( false == passiveMatch( props, true ))
+ if( false == matchPassive(props, kIOServiceChangesOK | kIOServiceClassDone))
continue;
// Check to see if driver reloc has been loaded.
if( 0 == category)
category = gIODefaultMatchCategoryKey;
inst->setProperty( gIOMatchCategoryKey, (OSObject *) category );
-#if CONFIG_MACF_KEXT
- isSandbox = OSDynamicCast(OSBoolean,
- props->getObject("IOKitForceMatch"));
-#endif
// attach driver instance
if( !(inst->attach( this )))
continue;
newInst = inst->probe( this, &score );
inst->detach( this );
-#if CONFIG_MACF_KEXT
- /*
- * If this is the Sandbox driver and it matched, this is a
- * disallowed device; toss any drivers that were already
- * matched.
- */
- if (isSandbox && isSandbox->isTrue() && newInst != 0) {
- if (startDict != 0) {
- startDict->flushCollection();
- startDict->release();
- startDict = 0;
- }
- useSandbox = true;
- }
-#endif
if( 0 == newInst) {
#if IOMATCHDEBUG
if( debugFlags & kIOLogProbe)
props->release();
if( inst)
inst->release();
-#if CONFIG_MACF_KEXT
- /*
- * If we're forcing the sandbox, drop out of the loop.
- */
- if (isSandbox && isSandbox->isTrue() && useSandbox)
- break;
-#endif
}
familyMatches->release();
familyMatches = 0;
SInt32 catalogGeneration;
bool keepGuessing = true;
bool reRegistered = true;
+ bool didRegister;
// job->nub->deliverNotification( gIOPublishNotification,
// kIOServiceRegisteredState, 0xffffffff );
LOCKREADNOTIFY();
__state[1] &= ~kIOServiceNeedConfigState;
__state[1] |= kIOServiceConfigState;
+ didRegister = (0 == (kIOServiceRegisteredState & __state[0]));
__state[0] |= kIOServiceRegisteredState;
keepGuessing &= (0 == (__state[0] & kIOServiceInactiveState));
while((notify = (_IOServiceNotifier *)
iter->getNextObject())) {
- if( passiveMatch( notify->matching )
+ if( matchPassive(notify->matching, 0)
&& (kIOServiceNotifyEnable & notify->state))
matches->setObject( notify );
}
}
UNLOCKNOTIFY();
+ if (didRegister) {
+ getMetaClass()->addInstance(this);
+ }
unlockForArbitration();
if (keepGuessing && matches->getCount() && (kIOReturnSuccess == getResources()))
semaphore_signal( gJobsSemaphore );
}
+struct IOServiceMatchContext
+{
+ OSDictionary * table;
+ OSObject * result;
+ uint32_t options;
+ uint32_t state;
+ uint32_t count;
+ uint32_t done;
+};
+
+bool IOService::instanceMatch(const OSObject * entry, void * context)
+{
+ IOServiceMatchContext * ctx = (typeof(ctx)) context;
+ IOService * service = (typeof(service)) entry;
+ OSDictionary * table = ctx->table;
+ uint32_t options = ctx->options;
+ uint32_t state = ctx->state;
+ uint32_t done;
+ bool match;
+
+ done = 0;
+ do
+ {
+ match = ((state == (state & service->__state[0]))
+ && (0 == (service->__state[0] & kIOServiceInactiveState)));
+ if (!match) break;
+ ctx->count += table->getCount();
+ match = service->matchInternal(table, options, &done);
+ ctx->done += done;
+ }
+ while (false);
+ if (!match)
+ return (false);
+
+ if ((kIONotifyOnce & options) && (ctx->done == ctx->count))
+ {
+ service->retain();
+ ctx->result = service;
+ return (true);
+ }
+ else if (!ctx->result)
+ {
+ ctx->result = OSSet::withObjects((const OSObject **) &service, 1, 1);
+ }
+ else
+ {
+ ((OSSet *)ctx->result)->setObject(service);
+ }
+ return (false);
+}
+
// internal - call with gNotificationLock
OSObject * IOService::copyExistingServices( OSDictionary * matching,
IOOptionBits inState, IOOptionBits options )
{
- OSObject * current = 0;
- OSIterator * iter;
- IOService * service;
- OSObject * obj;
+ OSObject * current = 0;
+ OSIterator * iter;
+ IOService * service;
+ OSObject * obj;
+ OSString * str;
if( !matching)
return( 0 );
- if(true
- && (obj = matching->getObject(gIOProviderClassKey))
+#if MATCH_DEBUG
+ OSSerialize * s = OSSerialize::withCapacity(128);
+ matching->serialize(s);
+#endif
+
+ if((obj = matching->getObject(gIOProviderClassKey))
&& gIOResourcesKey
&& gIOResourcesKey->isEqualTo(obj)
&& (service = gIOResources))
{
if( (inState == (service->__state[0] & inState))
&& (0 == (service->__state[0] & kIOServiceInactiveState))
- && service->passiveMatch( matching ))
+ && service->matchPassive(matching, options))
{
if( options & kIONotifyOnce)
{
current = service;
}
else
- current = OSSet::withObjects(
- (const OSObject **) &service, 1, 1 );
+ current = OSSet::withObjects((const OSObject **) &service, 1, 1 );
}
}
else
{
+ IOServiceMatchContext ctx;
+ ctx.table = matching;
+ ctx.state = inState;
+ ctx.count = 0;
+ ctx.done = 0;
+ ctx.options = options;
+ ctx.result = 0;
+
+ if ((str = OSDynamicCast(OSString, obj)))
+ {
+ const OSSymbol * sym = OSSymbol::withString(str);
+ OSMetaClass::applyToInstancesOfClassName(sym, instanceMatch, &ctx);
+ sym->release();
+ }
+ else
+ {
+ IOService::gMetaClass.applyToInstances(instanceMatch, &ctx);
+ }
+
+
+ current = ctx.result;
+
+ options |= kIOServiceInternalDone | kIOServiceClassDone;
+ if (current && (ctx.done != ctx.count))
+ {
+ OSSet *
+ source = OSDynamicCast(OSSet, current);
+ current = 0;
+ while ((service = (IOService *) source->getAnyObject()))
+ {
+ if (service->matchPassive(matching, options))
+ {
+ if( options & kIONotifyOnce)
+ {
+ service->retain();
+ current = service;
+ break;
+ }
+ if( current)
+ {
+ ((OSSet *)current)->setObject( service );
+ }
+ else
+ {
+ current = OSSet::withObjects(
+ (const OSObject **) &service, 1, 1 );
+ }
+ }
+ source->removeObject(service);
+ }
+ source->release();
+ }
+ }
+
+#if MATCH_DEBUG
+ {
+ OSObject * _current = 0;
+
iter = IORegistryIterator::iterateOver( gIOServicePlane,
kIORegistryIterateRecursively );
if( iter) {
while( (service = (IOService *) iter->getNextObject())) {
if( (inState == (service->__state[0] & inState))
&& (0 == (service->__state[0] & kIOServiceInactiveState))
- && service->passiveMatch( matching )) {
+ && service->matchPassive(matching, 0)) {
if( options & kIONotifyOnce) {
service->retain();
- current = service;
+ _current = service;
break;
}
- if( current)
- ((OSSet *)current)->setObject( service );
+ if( _current)
+ ((OSSet *)_current)->setObject( service );
else
- current = OSSet::withObjects(
+ _current = OSSet::withObjects(
(const OSObject **) &service, 1, 1 );
}
}
} while( !service && !iter->isValid());
iter->release();
}
- }
+
+
+ if ( ((current != 0) != (_current != 0))
+ || (current && _current && !current->isEqualTo(_current)))
+ {
+ OSSerialize * s1 = OSSerialize::withCapacity(128);
+ OSSerialize * s2 = OSSerialize::withCapacity(128);
+ current->serialize(s1);
+ _current->serialize(s2);
+ kprintf("**mismatch** %p %p\n%s\n%s\n%s\n", current, _current, s->text(), s1->text(), s2->text());
+ s1->release();
+ s2->release();
+ }
+
+ if (_current) _current->release();
+ }
+
+ s->release();
+#endif
if( current && (0 == (options & (kIONotifyOnce | kIOServiceExistingSet)))) {
iter = OSCollectionIterator::withCollection( (OSSet *)current );
return( iter );
}
+IOService * IOService::copyMatchingService( OSDictionary * matching )
+{
+ IOService * service;
+
+ // is a lock even needed?
+ LOCKWRITENOTIFY();
+
+ service = (IOService *) copyExistingServices( matching,
+ kIOServiceMatchedState, kIONotifyOnce );
+
+ UNLOCKNOTIFY();
+
+ return( service );
+}
+
struct _IOServiceMatchingNotificationHandlerRef
{
IOServiceNotificationHandler handler;
if( iter) {
while( (notify = (_IOServiceNotifier *) iter->getNextObject())) {
- if( passiveMatch( notify->matching)
+ if( matchPassive(notify->matching, 0)
&& (kIOServiceNotifyEnable & notify->state)) {
if( 0 == willSend)
willSend = OSArray::withCapacity(8);
OSDictionary * IOService::serviceMatching( const OSString * name,
OSDictionary * table )
{
+
+ const OSString * str;
+
+ str = OSSymbol::withString(name);
+ if( !str)
+ return( 0 );
+
if( !table)
table = OSDictionary::withCapacity( 2 );
if( table)
- table->setObject(gIOProviderClassKey, (OSObject *)name );
+ table->setObject(gIOProviderClassKey, (OSObject *)str );
+ str->release();
return( table );
}
IORegistryEntry * regEntry;
OSObject * locked = kOSBooleanFalse;
uint32_t idx;
- bool loggedIn;
bool publish;
OSDictionary * user;
static IOMessage sSystemPower;
regEntry = IORegistryEntry::getRegistryRoot();
+ if (!gIOChosenEntry)
+ gIOChosenEntry = IORegistryEntry::fromPath("/chosen", gIODTPlane);
+
IOLockLock(gIOConsoleUsersLock);
if (systemMessage)
{
sSystemPower = systemMessage;
+#if HIBERNATION
+ if ((kIOMessageSystemHasPoweredOn == systemMessage) && IOHibernateWasScreenLocked())
+ {
+ locked = kOSBooleanTrue;
+ }
+#endif /* HIBERNATION */
}
- loggedIn = false;
+
if (consoleUsers)
{
OSNumber * num = 0;
+ gIOConsoleLoggedIn = false;
for (idx = 0;
(user = OSDynamicCast(OSDictionary, consoleUsers->getObject(idx)));
idx++)
{
- loggedIn |= ((kOSBooleanTrue == user->getObject(gIOConsoleSessionOnConsoleKey))
+ gIOConsoleLoggedIn |= ((kOSBooleanTrue == user->getObject(gIOConsoleSessionOnConsoleKey))
&& (kOSBooleanTrue == user->getObject(gIOConsoleSessionLoginDoneKey)));
if (!num)
{
gIOConsoleLockTime = num ? num->unsigned32BitValue() : 0;
}
- if (!loggedIn
+ if (!gIOConsoleLoggedIn
|| (kIOMessageSystemWillSleep == sSystemPower)
|| (kIOMessageSystemPagingOff == sSystemPower))
{
OSIncrementAtomic( &gIOConsoleUsersSeed );
}
+#if HIBERNATION
+ if (gIOChosenEntry)
+ {
+ uint32_t screenLockState;
+
+ if (locked == kOSBooleanTrue) screenLockState = kIOScreenLockLocked;
+ else if (gIOConsoleLockTime) screenLockState = kIOScreenLockUnlocked;
+ else screenLockState = kIOScreenLockNoLock;
+
+ if (screenLockState != gIOScreenLockState) gIOChosenEntry->setProperty(kIOScreenLockStateKey, &screenLockState, sizeof(screenLockState));
+ gIOScreenLockState = screenLockState;
+ }
+#endif /* HIBERNATION */
+
IOLockUnlock(gIOConsoleUsersLock);
if (publish)
return( parent );
}
-bool IOService::passiveMatch( OSDictionary * table, bool changesOK )
+bool IOService::matchInternal(OSDictionary * table, uint32_t options, uint32_t * did)
{
- IOService * where;
OSString * matched;
OSObject * obj;
OSString * str;
IORegistryEntry * entry;
OSNumber * num;
- SInt32 score;
- OSNumber * newPri;
bool match = true;
- bool matchParent = false;
- UInt32 done;
-
- assert( table );
+ bool changesOK = (0 != (kIOServiceChangesOK & options));
+ uint32_t count;
+ uint32_t done;
- where = this;
+ do
+ {
+ count = table->getCount();
+ done = 0;
+ str = OSDynamicCast(OSString, table->getObject(gIOProviderClassKey));
+ if (str) {
+ done++;
+ match = ((kIOServiceClassDone & options) || (0 != metaCast(str)));
+#if MATCH_DEBUG
+ match = (0 != metaCast( str ));
+ if ((kIOServiceClassDone & options) && !match) panic("classDone");
+#endif
+ if ((!match) || (done == count)) break;
+ }
- do {
- do {
- done = 0;
-
- str = OSDynamicCast( OSString, table->getObject( gIOProviderClassKey));
- if( str) {
- done++;
- match = (0 != where->metaCast( str ));
- if( !match)
- break;
- }
+ obj = table->getObject( gIONameMatchKey );
+ if( obj) {
+ done++;
+ match = compareNames( obj, changesOK ? &matched : 0 );
+ if (!match) break;
+ if( changesOK && matched) {
+ // leave a hint as to which name matched
+ table->setObject( gIONameMatchedKey, matched );
+ matched->release();
+ }
+ if (done == count) break;
+ }
- obj = table->getObject( gIONameMatchKey );
- if( obj) {
- done++;
- match = where->compareNames( obj, changesOK ? &matched : 0 );
- if( !match)
- break;
- if( changesOK && matched) {
- // leave a hint as to which name matched
- table->setObject( gIONameMatchedKey, matched );
- matched->release();
- }
- }
+ str = OSDynamicCast( OSString, table->getObject( gIOLocationMatchKey ));
+ if (str)
+ {
+ const OSSymbol * sym;
+ done++;
+ match = false;
+ sym = copyLocation();
+ if (sym) {
+ match = sym->isEqualTo( str );
+ sym->release();
+ }
+ if ((!match) || (done == count)) break;
+ }
- str = OSDynamicCast( OSString, table->getObject( gIOLocationMatchKey ));
- if( str) {
+ obj = table->getObject( gIOPropertyMatchKey );
+ if( obj)
+ {
+ OSDictionary * dict;
+ OSDictionary * nextDict;
+ OSIterator * iter;
+ done++;
+ match = false;
+ dict = dictionaryWithProperties();
+ if( dict) {
+ nextDict = OSDynamicCast( OSDictionary, obj);
+ if( nextDict)
+ iter = 0;
+ else
+ iter = OSCollectionIterator::withCollection(
+ OSDynamicCast(OSCollection, obj));
+
+ while( nextDict
+ || (iter && (0 != (nextDict = OSDynamicCast(OSDictionary,
+ iter->getNextObject()))))) {
+ match = dict->isEqualTo( nextDict, nextDict);
+ if( match)
+ break;
+ nextDict = 0;
+ }
+ dict->release();
+ if( iter)
+ iter->release();
+ }
+ if ((!match) || (done == count)) break;
+ }
- const OSSymbol * sym;
+ str = OSDynamicCast( OSString, table->getObject( gIOPathMatchKey ));
+ if( str) {
+ done++;
+ entry = IORegistryEntry::fromPath( str->getCStringNoCopy() );
+ match = (this == entry);
+ if( entry)
+ entry->release();
+ if ((!match) || (done == count)) break;
+ }
- done++;
- match = false;
- sym = where->copyLocation();
- if( sym) {
- match = sym->isEqualTo( str );
- sym->release();
- }
- if( !match)
- break;
- }
+ num = OSDynamicCast( OSNumber, table->getObject( gIORegistryEntryIDKey ));
+ if (num) {
+ done++;
+ match = (getRegistryEntryID() == num->unsigned64BitValue());
+ if ((!match) || (done == count)) break;
+ }
- obj = table->getObject( gIOPropertyMatchKey );
- if( obj) {
+ num = OSDynamicCast( OSNumber, table->getObject( gIOMatchedServiceCountKey ));
+ if( num)
+ {
+ OSIterator * iter;
+ IOService * service = 0;
+ UInt32 serviceCount = 0;
- OSDictionary * dict;
- OSDictionary * nextDict;
- OSIterator * iter;
+ done++;
+ iter = getClientIterator();
+ if( iter) {
+ while( (service = (IOService *) iter->getNextObject())) {
+ if( kIOServiceInactiveState & service->__state[0])
+ continue;
+ if( 0 == service->getProperty( gIOMatchCategoryKey ))
+ continue;
+ ++serviceCount;
+ }
+ iter->release();
+ }
+ match = (serviceCount == num->unsigned32BitValue());
+ if ((!match) || (done == count)) break;
+ }
- done++;
- match = false;
- dict = where->dictionaryWithProperties();
- if( dict) {
- nextDict = OSDynamicCast( OSDictionary, obj);
- if( nextDict)
- iter = 0;
- else
- iter = OSCollectionIterator::withCollection(
- OSDynamicCast(OSCollection, obj));
-
- while( nextDict
- || (iter && (0 != (nextDict = OSDynamicCast(OSDictionary,
- iter->getNextObject()))))) {
- match = dict->isEqualTo( nextDict, nextDict);
- if( match)
- break;
- nextDict = 0;
- }
- dict->release();
- if( iter)
- iter->release();
- }
- if( !match)
- break;
- }
+#define propMatch(key) \
+ obj = table->getObject(key); \
+ if (obj) \
+ { \
+ OSObject * prop; \
+ done++; \
+ prop = copyProperty(key); \
+ match = obj->isEqualTo(prop); \
+ if (prop) prop->release(); \
+ if ((!match) || (done == count)) break; \
+ }
+ propMatch(kIOBSDNameKey)
+ propMatch(kIOBSDMajorKey)
+ propMatch(kIOBSDMinorKey)
+ propMatch(kIOBSDUnitKey)
+#undef propMatch
+ }
+ while (false);
- str = OSDynamicCast( OSString, table->getObject( gIOPathMatchKey ));
- if( str) {
- done++;
- entry = IORegistryEntry::fromPath( str->getCStringNoCopy() );
- match = (where == entry);
- if( entry)
- entry->release();
- if( !match)
- break;
- }
+ if (did) *did = done;
+ return (match);
+}
- num = OSDynamicCast( OSNumber, table->getObject( gIORegistryEntryIDKey ));
- if( num) {
- done++;
- match = (getRegistryEntryID() == num->unsigned64BitValue());
- }
+bool IOService::passiveMatch( OSDictionary * table, bool changesOK )
+{
+ return (matchPassive(table, changesOK ? kIOServiceChangesOK : 0));
+}
- num = OSDynamicCast( OSNumber, table->getObject( gIOMatchedServiceCountKey ));
- if( num) {
+bool IOService::matchPassive(OSDictionary * table, uint32_t options)
+{
+ IOService * where;
+ OSDictionary * nextTable;
+ SInt32 score;
+ OSNumber * newPri;
+ bool match = true;
+ bool matchParent = false;
+ uint32_t count;
+ uint32_t done;
- OSIterator * iter;
- IOService * service = 0;
- UInt32 serviceCount = 0;
+ assert( table );
- done++;
- iter = where->getClientIterator();
- if( iter) {
- while( (service = (IOService *) iter->getNextObject())) {
- if( kIOServiceInactiveState & service->__state[0])
- continue;
- if( 0 == service->getProperty( gIOMatchCategoryKey ))
- continue;
- ++serviceCount;
- }
- iter->release();
- }
- match = (serviceCount == num->unsigned32BitValue());
- if( !match)
- break;
- }
+#if MATCH_DEBUG
+ OSDictionary * root = table;
+#endif
- if( done == table->getCount()) {
- // don't call family if we've done all the entries in the table
- matchParent = false;
- break;
+ where = this;
+ do
+ {
+ do
+ {
+ count = table->getCount();
+ if (!(kIOServiceInternalDone & options))
+ {
+ match = where->matchInternal(table, options, &done);
+ // don't call family if we've done all the entries in the table
+ if ((!match) || (done == count)) break;
}
// pass in score from property table
break;
}
- if( changesOK) {
+ if (kIOServiceChangesOK & options) {
// save the score
newPri = OSNumber::withNumber( score, 32 );
if( newPri) {
}
}
- if( !(match = where->compareProperty( table, kIOBSDNameKey )))
- break;
- if( !(match = where->compareProperty( table, kIOBSDMajorKey )))
- break;
- if( !(match = where->compareProperty( table, kIOBSDMinorKey )))
- break;
- if( !(match = where->compareProperty( table, kIOBSDUnitKey )))
- break;
-
+ options = 0;
matchParent = false;
- obj = OSDynamicCast( OSDictionary,
+ nextTable = OSDynamicCast(OSDictionary,
table->getObject( gIOParentMatchKey ));
- if( obj) {
+ if( nextTable) {
+ // look for a matching entry anywhere up to root
match = false;
matchParent = true;
- table = (OSDictionary *) obj;
+ table = nextTable;
break;
}
- table = OSDynamicCast( OSDictionary,
+ table = OSDynamicCast(OSDictionary,
table->getObject( gIOLocationMatchKey ));
- if( table) {
+ if (table) {
+ // look for a matching entry at matchLocation()
match = false;
where = where->getProvider();
- if( where)
- where = where->matchLocation( where );
+ if (where && (where = where->matchLocation(where))) continue;
}
+ break;
+ }
+ while (true);
+ }
+ while( matchParent && (!match) && (where = where->getProvider()) );
- } while( table && where );
-
- } while( matchParent && (where = where->getProvider()) );
-
- if( kIOLogMatch & gIOKitDebug)
- if( where && (where != this) )
- LOG("match parent @ %s = %d\n",
- where->getName(), match );
+#if MATCH_DEBUG
+ if (where != this)
+ {
+ OSSerialize * s = OSSerialize::withCapacity(128);
+ root->serialize(s);
+ kprintf("parent match 0x%llx, %d,\n%s\n", getRegistryEntryID(), match, s->text());
+ s->release();
+ }
+#endif
return( match );
}
projects / apple / xnu.git / blobdiff