handleIsOpen
Queries whether a client has an open on the controller.
Declaration
virtual bool handleIsOpen(
const IOService *client) const;Return Value
Returns true if the specified client, or any client if none (0) is specified, presently has an open on this object.
Overview
This method is always called by IOService with the arbitration lock held. Subclasses should not override this method.
See Also
Miscellaneous
allocatePacketattachDebuggerClientattachInterfaceconfigureInterfacecopyMediumDictionarycopyPacketcreateInterfacecreateOutputQueuecreateWorkLoopdetachDebuggerClientdetachInterfacedisabledisable(IONetworkInterface *)disable(IOService *)disablePacketFilterdoDisabledoEnableenableenable(IONetworkInterface *)enable(IOService *)enablePacketFilterexecuteCommandfreefreePacketgetChecksumDemandgetChecksumSupportgetCommandClientgetCommandGategetDebuggerLinkStatusgetFeaturesgetHardwareAddressgetMaxPacketSizegetMediumDictionarygetMinPacketSizegetOutputHandlergetOutputQueuegetPacketBufferConstraintsgetPacketFiltersgetSelectedMediumhandleClosehandleOpeninitmessagenewModelStringnewRevisionStringnewVendorStringoutputPacketpreparepublishMediumDictionarypublishPropertiesreceivePacketregisterWithPolicyMakerreleaseDebuggerLockreleaseFreePacketsreplaceOrCopyPacketreplacePacketreserveDebuggerLockselectMediumselectMediumWithNamesendPacketsetChecksumResultsetDebuggerModesetHardwareAddresssetLinkStatussetMaxPacketSizesetSelectedMediumstartstopsystemWillShutdown