Operating System Concepts - Chapter 4: Threads pot

... 2005TwoTwo - - level Modellevel Model4.8Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7thedition, Jan 23, 2005ManyMany - - toto - - OneOne Many user-level threads mapped ... and Gagne ©2005 Operating System Concepts – 7thedition, Jan 23, 2005Java Thread States Java Thread States End of Chapter 4End of Chapter 4 Chapter 4: Threads Chapter 4: Threads 4.12Silberschatz, ... ModelsMultithreading Models Many-to-One One-to-One Many-to-Many4.25Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7thedition, Jan 23, 2005Linux Threads Linux Threads  Linux refers...

Operating System Concepts - Chapter 1: Introduction.Chapter 1: IntroductionWhat Operating Systems Do Computer-System pot

... Introduction Chapter 1: Introduction What Operating Systems Do Computer -System Organization Computer -System Architecture Operating- System Structure Operating- System Operations Process Management ... Distributed Systems Special-Purpose Systems Computing Environments1.34Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7thEdition, Jan 12, 2005I/O SubsystemI/O Subsystem ... must be managedz Varies between WORM (write-once, read-many-times) and RW (read-write)1.19Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7thEdition, Jan 12, 2005Storage...

Operating System Concepts - Chapter 6: Process Synchronization potx

... x.signal can be implemented as:if (x-count > 0) {next-count++;signal(x-sem);wait(next);next-count ;}6.8Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7thEdition, Feb 8, ... Gagne ©2005 Operating System Concepts – 7thEdition, Feb 8, 2005Schematic view of a MonitorSchematic view of a Monitor6.39Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – ... have:semaphore x-sem; // (initially = 0)int x-count = 0; The operation x.wait can be implemented as:x-count++;if (next-count > 0)signal(next);elsesignal(mutex);wait(x-sem);x-count ;6.10Silberschatz,...

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Operating System Concepts - Chapter 20: Multimedia Systems pot

... scheduling20.10Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7thEdition, Jan 2, 2005 Operating Systems Issues Operating Systems Issues The operating system must guarantee the specific data ... Operating Requirement of Multimedia Operating SystemsSystems There are three levels of QoS(1) Best-effort service - the system makes a best effort with no QoSguarantees.(2) Soft QoS - ... form. MPEG Compression:(1) MPEG-1 - 352 X 240 @ 30 frames/second(2) MPEG-2 - Used for compressing DVD and high-definition television (HDTV)(3) MPEG-4 - Used to transmit audio, video, and...

Operating System Concepts - Chapter 21: The Linux System pot

... ©2005 Operating System Concepts – 7thEdition, Feb 6, 2005The Linux System The Linux System  Linux uses many tools developed as part of Berkeley’s BSD operating system, MIT’s X Window System, ... ©2005 Operating System Concepts – 7thEdition, Feb 6, 2005Ext2fs BlockExt2fs Block - - Allocation PoliciesAllocation Policies21.16Silberschatz, Galvin and Gagne ©2005 Operating System Concepts ... user-mode system software The environment-variable mechanism provides a customization of the operating system that can be set on a per-process basis, rather than being configured for the system...

Operating System Concepts - Chapter 2: Operating-System Structures doc

... of Chapter 2End of Chapter 22.4Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7thEdition, Jan 14, 2005 Operating System Services Operating System Services One set of operating- system ... execution2.8Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7thEdition, Jan 14, 2005User Operating System Interface User Operating System Interface - - GUIGUI User-friendly desktop metaphor ... and Gagne ©2005 Operating System Concepts – 7thEdition, Jan 14, 2005Layered Operating System Layered Operating System 2.24Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7thEdition,...

Operating System Concepts - Chapter 3: Processes ppt

... and Gagne ©2005 Operating System Concepts - 7thEdition, Feb 7, 2006Process in MemoryProcess in Memory3.39Silberschatz, Galvin and Gagne ©2005 Operating System Concepts - 7thEdition, Feb ... item;}3.24Silberschatz, Galvin and Gagne ©2005 Operating System Concepts - 7thEdition, Feb 7, 2006ProducerProducer - - Consumer ProblemConsumer Problem Paradigm for cooperating processes, producer process ... Some operating system do not allow child to continue if its parent terminates– All children terminated - cascading termination3.3Silberschatz, Galvin and Gagne ©2005 Operating System Concepts...

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Operating System Concepts - Chapter 5: CPU Scheduling pdf

... create(&tid[i],&attr,runner,NULL);5.29Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7thEdition, Feb 2, 2005RealReal - - Time SchedulingTime Scheduling Hard real-time systems – required to complete a critical ... ©2005 Operating System Concepts – 7thEdition, Feb 2, 2005 Chapter 5: CPU Scheduling Chapter 5: CPU Scheduling Basic Concepts  Scheduling Criteria  Scheduling Algorithms Multiple-Processor ... queue Q2.5.12Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7thEdition, Feb 2, 2005ShortestShortest - - JobJob - - First (SJF) SchedulingFirst (SJF) Scheduling Associate...

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Operating System Concepts - Chapter 7: Deadlocks pdf

... 2005ResourceResource - - Allocation Graph and WaitAllocation Graph and Wait - - for Graphfor GraphResource-Allocation Graph Corresponding wait-for graph Chapter 7: Deadlocks Chapter 7: Deadlocks ... ©2005 Operating System Concepts - 7thEdition, Feb 14, 2005Graph With A Cycle But No DeadlockGraph With A Cycle But No Deadlock7.20Silberschatz, Galvin and Gagne ©2005 Operating System Concepts ... resource type. Rj.7.6Silberschatz, Galvin and Gagne ©2005 Operating System Concepts - 7thEdition, Feb 14, 2005 System Model System Model Resource types R1, R2, . . ., RmCPU cycles,...

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Operating System Concepts - Chapter 8: Main Memory doc

... Gagne ©2005 Operating System Concepts – 7thEdition, Feb 22, 2005Paging ExamplePaging Example32-byte memory and 4-byte pages8.18Silberschatz, Galvin and Gagne ©2005 Operating System Concepts ... ©2005 Operating System Concepts – 7thEdition, Feb 22, 2005Inverted Page Table ArchitectureInverted Page Table Architecture8.50Silberschatz, Galvin and Gagne ©2005 Operating System Concepts ... Segmentation8.37Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7thEdition, Feb 22, 2005TwoTwo - - Level Paging ExampleLevel Paging Example A logical address (on 32-bit machine with 1K page size)...

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