Chapter22:WindowsXPChapter22:WindowsXPObjectivesWindowsXPHistoryDesignPrinciplesDesignPrinciples(Cont.)XPArchitectureDepictionofXPArchitectureFoundationfortheexecutiveandthesubsystemsNeverpagedoutofmemory;executionisneverpreemptedFourmainresponsibilities:threadschedulinginterruptandexceptionhandlinglow-levelprocessorsynchronizationrecoveryafterapowerfailureKernelisobject-oriented,usestwosetsofobjectsdispatcherobjectscontroldispatchingandsynchronization(events,mutants,mutexes,semaphores,threadsandtimers)controlobjects(asynchronousprocedurecalls,interrupts,powernotify,powerstatus,processandprofileobjects)Kernel—ProcessandThreadsKernel—SchedulingKernel—Scheduling(Cont.)WindowsXPInterruptRequestLevelsKernel—TrapHandlingExecutive—ObjectManagerExecutive—NamingObjectsExecutive—VirtualMemoryManagerVirtual-MemoryLayoutVirtualMemoryManager(Cont.)Virtual-to-PhysicalAddressTranslationPageFilePage-TableEntryExecutive—ProcessManagerExecutive—LocalProcedureCallFacilityExecutive—I/OManagerFileI/OExecutive—SecurityReferenceMonitorExecutive–Plug-and-PlayManagerEnvironmentalSubsystemsEnvironmentalSubsystems(Cont.)EnvironmentalSubsystems(Cont.)FileSystemFileSystem—InternalLayoutFileSystem—RecoveryFileSystem—Recovery(Cont.)FileSystem—SecurityVolumeManagementandFaultToleranceVolumeSetOnTwoDrivesStripeSetonTwoDrivesStripeSetWithParityonThreeDrivesMirrorSetonTwoDrivesFileSystem—CompressionFileSystem—ReparsePointsNetworkingNetworking—ProtocolsNetworking—Protocols(Cont.)Networking—Protocols(Cont.)Networking—Dist.ProcessingMechanismsDistributedProcessingMechanisms(Cont.)Networking—RedirectorsandServersAccesstoaRemoteFileAccesstoaRemoteFile(Cont.)Networking—DomainsNameResolutioninTCP/IPNetworksNameResolution(Cont.)ProgrammerInterface—AccesstoKernelObj.ProgrammerInterface—ProcessManagementProcessManagement(Cont.)ProcessManagement(Cont.)ProcessManagement(Cont.)ProgrammerInterface—InterprocessCommunicationProgrammerInterface—MemoryManagementMemoryManagement(Cont.)EndofChapter22