... constructor.Coordinate System In order to specify where a window is to be placed on the screen and where aview is to be placed within a window, a coordinate system is required.Global coordinate system To ... 123coordinate system one that’s independent of the global screen coordinate sys-tem. The type of system is the same as the global system (floating point values thatget larger as you move right and down)—but ... Chapter 4: Windows, Views, and MessagesEach system message has a corresponding hook function. For the three system messages mentioned above (B_ABOUT_REQUESTED, B_KEY_DOWN, and B_MOUSE_DOWN), those...
... Sivan, and Aaron and my NicoletteAvi Silberschatz To Brendan and Ellen, and Barbara, Anne and Harold, and Walter and RebeccaPeter Baer Galvin To my Mom and Dad,Greg Gagne OPERATING SYSTEM CONCEPTS NINTH ... Structures2.1 Operating- System Services 552.2 User and Operating- System Interface 582.3 System Calls 622.4 Types of System Calls 662.5 System Programs 742.6 Operating- System Design and Implementation ... 1 and 2 explain what operating systems are, whatthey do, and how they are designed and constructed. These chaptersdiscuss what the common features of an operatingsystem are and what anoperating...
... Mainframe Systems■ Desktop Systems■ Multiprocessor Systems■ Distributed Systems■ Clustered System ■ Real -Time Systems■ Handheld Systems■ Computing Environments Silberschatz, GalvinandGagne ... MicrosoftMS-DOS,WindowsNT,andWindows 2000; DEC VMS and TOPS-20, IBM OS/2, and the Apple Macintosh Operating System. v Silberschatz, GalvinandGagne 20021.19 Operating System Concepts Real-Time Systems■ Often used as ... 187 Silberschatz, GalvinandGagne 20021.13 Operating System Concepts Parallel Systems (Cont.)■ Symmetric multiprocessing (SMP)✦ Each processor runs and identical copy of the operating system. ✦...
... interrupts,instructions, and the instruction execution cycle. Since the operatingsystem is the interface be-tween the hardware and user programs, a good understanding of operating systems requires anunderstanding ... chapter we introduce the concepts of a process and concurrent execution; These concepts are at the very heart of modern operating systems. A process is is a program in execution and is the unit of ... the unit of work in a modern time-sharing system. Such a system consists of a collectionof processes: Operating- system processes executing system code and user processes executinguser code. All...
... C.40 Silberschatz, GalvinandGagne â2005 Operating SystemConcepts 7thEdition, Feb 11, 2005Mirror Set on Two DrivesMirror Set on Two Drives C.12 Silberschatz, GalvinandGagne â2005 Operating ... paged and dispatched like any other 2000 thread C.25 Silberschatz, GalvinandGagne â2005 Operating SystemConcepts 7thEdition, Feb 11, 2005File I/OFile I/O C.36 Silberschatz, GalvinandGagne ... affinity, and accounting information A thread can be one of six states: ready, standby, running, waiting, transition, and terminated C.50 Silberschatz, GalvinandGagne â2005 Operating System Concepts...
... aspects of system z Loads operatingsystem kernel and starts execution 1.4 Silberschatz, GalvinandGagne â2005 Operating SystemConcepts 7thEdition, Jan 12, 2005What is an Operating System? What ... device and the computer. 1.14 Silberschatz, GalvinandGagne â2005 Operating SystemConcepts 7thEdition, Jan 12, 2005Interrupt TimelineInterrupt Timeline 1.39 Silberschatz, GalvinandGagne ... Computer System Four Components of a Computer System 1.13 Silberschatz, GalvinandGagne â2005 Operating SystemConcepts 7thEdition, Jan 12, 2005Interrupt HandlingInterrupt Handling The operating...
... 3.4 Silberschatz, GalvinandGagne â2005 Operating SystemConcepts - 7thEdition, Feb 7, 2006Process in MemoryProcess in Memory 3.39 Silberschatz, GalvinandGagne â2005 Operating SystemConcepts ... 3.6 Silberschatz, GalvinandGagne â2005 Operating SystemConcepts - 7thEdition, Feb 7, 2006Diagram of Process StateDiagram of Process State 3.15 Silberschatz, GalvinandGagne â2005 Operating ... 3.22 Silberschatz, GalvinandGagne â2005 Operating SystemConcepts - 7thEdition, Feb 7, 2006Process TerminationProcess Termination Process executes last statement and asks the operating system...
... 4.9 Silberschatz, GalvinandGagne â2005 Operating SystemConcepts 7thedition, Jan 23, 2005ManyMany--toto--One ModelOne Model 4.15 Silberschatz, GalvinandGagne â2005 Operating System ... environment block) 4.19 Silberschatz, GalvinandGagne â2005 Operating SystemConcepts 7thedition, Jan 23, 2005Signal HandlingSignal Handling Signals are used in UNIX systems to notify a process ... Threads 4.23 Silberschatz, GalvinandGagne â2005 Operating SystemConcepts 7thedition, Jan 23, 2005PthreadsPthreads A POSIX standard (IEEE 1003.1c) API for thread creation and synchronization...