IOServiceNotificationHandler
Declaration
typedef bool (*IOServiceNotificationHandler)(void *target, void *refCon, IOService *newService);Parameters
- target:
Reference supplied when the notification was registered.
- refCon:
Reference constant supplied when the notification was registered.
- newService:
The IOService object the notification is delivering. It is retained for the duration of the handler's invocation and doesn't need to be released by the handler.
See Also
Common Types
IOAccelBoundsIOAccelDeviceRegionIOAccelIDIOAccelSizeIOAccelSurfaceInformationIOAccelSurfaceReadDataIOAccelSurfaceScalingIOAddressRangeIOAddressSegmentIOAlignmentIOAppleTimingIDIOAsyncMethodIOBlockStorageDeviceExtentIOBlockStorageProvisionDeviceExtentIOByteCountIOByteCount32IOByteCount64IOCSRKeyTypeIOCacheModeIOColorComponentIOColorEntryIOCommandCodeIOCommandIDIOCommandKindIOConfigKeyTypeIODMAMapPageListIODMAMapSpecificationIODTCompareAddressCellFuncIODTNVLocationFuncIODataQueueClientDequeueEntryBlockIODataQueueClientEnqueueEntryBlockIODebuggerLinkStatusHandlerIODebuggerRxHandlerIODebuggerSetModeHandlerIODebuggerTxHandlerIODetailedTimingInformationIODetailedTimingInformationV1IODetailedTimingInformationV2IODispatchBlockIODispatchFunctionIODispatchLogFunctionIODispatchQueueCancelHandlerIODispatchQueueNameIODispatchSourceCancelHandlerIODisplayModeIDIODisplayModeInformationIODisplayProductIDIODisplayScalerInformationIODisplayTimingRangeIODisplayTimingRangeV1IODisplayTimingRangeV2IODisplayVendorIDIOEnetMulticastModeIOEnetPromiscuousModeIOEthernetAddressIOExternalAsyncMethodIOExternalMethodIOExternalMethodActionIOExternalMethodArgumentsIOExternalMethodDispatchIOExternalTrapIOFBCursorRefIOFBDPLinkConfigIOFBDisplayModeDescriptionIOFBHDRMetaDataIOFBHDRMetaDataV1IOFBInterruptProcIOFixedIOFixed1616IOFixedPoint32IOFourCharCodeIOFramebufferNotificationHandlerIOFramebufferNotificationNotifyIOGBoundsIOGPointIOGSizeIOHardwareCursorDescriptorIOHardwareCursorInfoIOIndexIOInterruptActionIOInterruptActionBlockIOInterruptDispatchSourcePayloadIOInterruptHandlerIOInterruptStateIOInterruptVectorNumberIOItemCountIOLockIOLogicalAddressIOMediaAttributeMaskIOMediaStateIOMessageIOMethodIONDRVControlParametersIONVRAMDescriptorIONamedValueIONotificationRefIOOptionBitsIOOutputActionIOPCIDeviceConfigHandlerIOPCIEventIOPCIPhysicalAddressIOPMCalendarStructIOPMDriverAssertionIDIOPMDriverAssertionLevelIOPMDriverAssertionTypeIOPMSettingControllerCallbackIOPhysicalAddressIOPhysicalAddress32IOPhysicalAddress64IOPhysicalLengthIOPhysicalLength32IOPhysicalLength64IOPhysicalRangeIOPixelApertureIOPixelEncodingIOPixelInformationIOPowerStateChangeNotificationIOPropertyNameIORPCIORPCMessageIORPCMessageErrorReturnIORPCMessageErrorReturnContentIORPCMessageMachIORWLockIORangeScalarIORecursiveLockIORegistryEntryApplierFunctionIORegistryPlaneNameIOReportCategoriesIOReportConfigureActionIOReportFormatIOReportQuantityIOReportScaleFactorIOReportUnitIOReportUnitsIOReportUpdateActionIOReturnIOSelectIOServiceIOServiceApplierFunctionIOServiceInterestContent64IOServiceInterestHandlerIOServiceInterestHandlerBlockIOServiceMatchingNotificationHandlerIOServiceMatchingNotificationHandlerBlockIOServiceNameIOServiceNotificationBlockIOSimpleLockIOStorageAccessIOStorageAttributesIOStorageCompletionIOStorageCompletionActionIOStorageExtentIOStorageGetProvisionStatusOptionsIOStorageOptionsIOStoragePriorityIOStorageProvisionExtentIOStorageSynchronizeOptionsIOStorageUnmapOptionsIOStreamModeIOThreadIOThreadFuncIOTimeStampIntervalConstantFilteredIOTimingInformationIOTrackingCallSiteInfoIOTrapIOUserClientAsyncArgumentsArrayIOUserClientAsyncReferenceArrayIOUserClientMethodArgumentsIOUserClientMethodDispatchIOUserClientMethodFunctionIOUserClientScalarArrayIOVersionIOVideoDeviceNotificationIOVideoDeviceNotificationMessageIOVideoStreamDescriptionIOVirtualAddressIOVirtualRange