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| 1 Introduction 1.1 The Role of Operating Systems 1.1.1 Bridging the Hardware/Application Gap 1.1.2 Three Views of Operating Systems 1.2 Organization of Operating Systems 1.2.1 Structural Organization 1.2.2 The Hardware Interface 1.2.3 The Programming Interface 1.2.4 The User Interface 1.2.5 Runtime Organization 1.3 Operating System Evolution and Concepts 1.3.1 Early Systems 1.3.2 Batch Operating Systems 1.3.3 Multiprogramming Systems 1.3.4 Interactive Operating Systems 1.3.5 Personal Computer and Workstation Operating Systems 1.3.6 Real-Time Operating Systems 1.3.7 Distributed Operating Systems Part One Process Management and Coordination 2 Basic Concepts:Processes and Their Interactions 2.1 The Process Notion 2.2 Defining and Instantiating Processes 2.2.1 Precedence Relations Among Processes 2.2.2 Implicit Process Creation 2.2.3 Explicit Process Creation with fork and join 2.2.4 Process Declarations and Classes 2.3 Basic Process Interactions 2.3.1 Competition:The Critical Section Problem 2.3.2 Cooperation 2.4 Semaphores 2.4.1 Semaphore Operations and Data 2.4.2 Mutual Exclusion with Semaphores 2.4.3 Semaphores in Producer/Consumer Situations 2.5 Event Synchronization 3 Higher-Level Synchronization and Communication 3.1 Shared Memory Methods 3.1.1 Monitors 3.1.2 Protected Types 3.2 Distributed Synchronization and Communication 3.2.1 Message-Based Communication 3.2.2 Procedure-Based Communication 3.2.3 Distributed Mutual Exclusion 3.3 Other Classic Synchronization Problems 3.3.1 The Readers/Writers Problem 3.3.2 The Dining Philosophers Problem 3.3.3 The Elevator Algorithm 3.3.4 Event Ordering with Logical Clocks 4 The Operating System Kernel:Implementing Processes and Threads 4.1 Kernel Definitions and Objects 4.2 Queue Structures 4.2.1 Resource Queues in an Operating System 4.2.2 Implementations of Queues 4.3 Threads 4.4 Implementing Processes and Threads 4.4.1 Process and Thread Descriptors 4.4.2 Implementing Operations on Processes 4.4.3 Operations on Threads 4.5 Implementing Synchronization and Communication Mechanisms 4.5.1 Semaphores and Locks 4.5.2 Monitor Primitives 4.5.3 Clock and Time Management 4.5.4 Communication Primitives 4.6 Interrupt Handling 5 Process and Thread Scheduling 5.1 Organizating of Schedulers 5.1.1 Embedded and Autonomous Schedulers 5.1.2 Priority Scheduling 5.2 Scheduling Methods 5.2.1 A Framework for Scheduling 5.2.2 Common Scheduling Algorithms 5.2.3 Comparison of Methods 5.3 Priority Inversion 5.4 Multiprocessor and Distributed Scheduling 6 Deadlocks 6.1 Deadlock with Reusable and Consumable Resources 6.1.1 Reusable and Consumable Resources 6.1.2 Deadlocks in Computer Systems 6.2 Approaches to the Deadlock Problem 6.3 A System Model 6.3.1 Resource Graphs 6.3.2 State Transitions 6.3.3 Deadlock States and Safe States 6.4 Deadlock Detection 6.4.1 Reduction of Resource Graphs 6.4.2 Special Cases of Deadlock Detection 6.4.3 Deadlock Detection in Distributed Systems 6.5 Recovery from Deadlock 6.5.1 Process Termination 6.5.2 Resource Preemption 6.6 Dynamic Deadlock Avoidance 6.6.1 Claim Graphs 6.6.2 The Banker's Algorithm 6.7 Deadlock Prevention 6.7.1 Eliminating the Mutual-Exclusion Condition 6.7.2 Eliminating the Hold-and-Wait Condition 6.7.3 Eliminating the Circular-Wait Condition Part Two Memory Management 7 Physical Memory 7.1 Preparing a Program for Execution 7.1.1 Program Transformations 7.1.2 Logical-to-Physical Address Binding 7.2 Memory Partitioning Schemes 7.2.1 Fixed Partitions 7.2.2 Variable Partitions 7.2.3 The Buddy System 7.3 Allocation Strategies for Variable Partitions 7.3.1 Measures of Memory Utilization 7.4 Managing Insufficient Memory 7.4.1 Memory Compaction 8 Virtual Memory 8.1 Principles of Virtual Memory 8.2 Implementations of Virtual Memory 8.2.1 Paging 8.2.2 Segmentation 8.2.3 Paging with Segmentation 8.2.4 Paging of System Tables 8.2.5 Translation Look-Aside Buffers 8.3 Memory Allocation in Paged Systems 8.3.1 Global Page Replacement Algorithms 8.3.2 Local Page Replacement Algorithms 8.3.3 Load Control and Thrashing 8.3.4 Evaluation of Paging 9 Sharing of Data and Code in Main Memory 9.1 Single-Copy Sharing 9.1.1 Reasons for Sharing 9.1.2 Requirements for Sharing 9.1.3 Linking and Sharing 9.2 Sharing in Systmes without Virtual Memory 9.3 Sharing in Paging Systems 9.3.1 Sharing of Data 9.3.2 Sharing of Code 9.4 Sharing in Segmented Systems 9.4.1 Sharing of Code and Data 9.4.2 Unrestricted Dynamic Linking 9.5 Principles of Distributed Shared Memory 9.5.1 The User's View of Distributed Shared Memory 9.6 Implementations of Distributed Shared Memory 9.6.1 Implementing Unstructured Distributed Shared Memory 9.6.2 Implementing Structured Distributed Shared Memory Part Three File Systems and Imput/Output 10 File Systems 10.1 Basic Functions of File Management 10.2 Hierarchical Model of a File System 10.3 The User's View of Files 10.3.1 File Names and Types 10.3.2 Logical File Organization 10.3.3 Other File Attributes 10.3.4 Operations on Files 10.4 File Directories 10.4.1 Hierarchical Directory Organizations 10.4.2 Operations on Directories 10.4.3 Implementation of File Directories 10.5 Basic File System 10.5.1 File Descriptors 10.5.2 Opening and Closing Files 10.6 Device Organization Methods 10.6.1 contiguous Organization 10.6.2 Linked Organization 10.6.3 Indexed Organization 10.6.4 Management of Free Storgae Space 10.7 Principles of Distributed File Systems 10.7.1 Directory Structures and Sharing 10.7.2 Semantics of File Sharing 10.8 Implementing Distributed File System 10.8.1 Basic Architecture 10.8.2 Caching 10.8.3 Stateless Versus Stateful Servers 10.8.4 File Replication 11 Input/Output Systems 11.1 Basic Issues in Device Management 11.2 A Hierarchical Model of the Input/Output System 11.2.1 The Input/Output System Interface 11.3 Input/Output Devices 11.3.1 User Terminals 11.3.2 Printers and Scanners 11.3.3 Secondary Storage Devices 11.3.4 Performance Characteristics of Disks 11.3.5 Networks 11.4 Device Drivers 11.4.1 Memory-Mapped Versus Explicit Device Interfaces 11.4.2 Programmed Input/Output with Poling 11.4.3 Programmed Input/Output with Interrupts 11.4.4 Direct Memory Access 11.5 Device Management 11.5.1 Buffering and Caching 11.5.2 Error Handling 11.5.3 Disk Scheduling 11.5.4 Device Sharing Part Four Protection and Security 12 The Protection and Security Interface 12.1 Security Threats 12.1.1 Damage Types 12.1.2 Vulnerable Resources 12.1.3 Attack Types 12.2 Functions of a Protection System 12.2.1 External Safeguards 12.2.2 Verification of User Identity 12.2.3 Communication Safeguards 12.2.4 Threat Monitoring 12.3 User Authentication 12.3.1 Approaches to Authentication 12.3.2 Passwords 12.4 Secure Communication 12.4.1 Principles of Cryptography 12.4.2 Secret-Key Cryptosystems 12.4.3 Public-Key Cryptosystems 13 Internal Protection Mechanisms 13.1 The Access Control Environment 13.2 Instruction-Level Access Control 13.2.1 Register and Input/Output Protection 13.2.2 Main Memory Protection 13.3 High-Level Access Control 13.3.1 The Access Matrix Model 13.3.2 Access Lists and Capability Lists 13.3.3 A Comprehensive Example:Client/Server Protection 13.3.4 Combining Access Lists and Capability Lists 13.4 Information Flow Control 13.4.1 The Confinement Problem 13.4.2 Hierarchical Information Flow 13.4.3 The Selective Confinement Problem Part Five Programming Projects I Process/Thread Synchronization 1 Project Overview 2 Setting Up a Race Condition 3 Solutions to the Critical Section Problem 3.1 Solution Using mutex Locks 3.2 Software Solution 4 Implementing General Semaphores 4.1 Solution Using Mutex Locks and Condition Variables 4.2 Software Solution 5 Bounded Buffer 6 Summary of Specific Tasks 7 Ideas for Additional Tasks II Process and Resource Management 1 Project Overview 2 Basic Process and Resource Manager 2.1 Process States 2.2 Representation of Processes 2.3 Representation of Resources 2.4 Operations on Processes and Resources 2.5 The Scheduler 2.6 The Presentation Shell 3 Extended Process and Resource Manager 3.1 Timeout Interrupts 3.2 Input/Output Processng 3.3 The Extended Shell 4 Summary of Specific Tasks 5 Ideas for Additional Tasks III Main Memory Management 1 Project Overview 2 The Memory Manager 2.1 Main Memory 2.2 The User Interface 3 The Simulation Experiment 3.1 Generating Request Sizes 3.2 Gathering Performance Data 3.3 Choosing a Block to Release 4 Summary of Specific Tasks 5 Ideas for Additional Tasks IV Page Replacement Algorithms 1 Project Overview 2 Global Page Replacement Algorithms 3 Local Page Replacement Algorithms 4 Generating Reference Strings 5 Performance Evaluations 6 Summary of Specific Tasks 7 Ideas for Additional Tasks V File System 1 Project Overview 2 The Input/Output System 3 The File System 3.1 Interface Between User and File System 3.2 Organization of the File System 3.3 The Directory 3.4 Creating and Destroying a File 3.5 Opening and Closing a File 3.6 Reading,Writing and Seeking in a File 3.7 Listing the Directory 4 The Presentation Shell 5 Summary of Specific Tasks 6 Ideas for Additional Tasks Other Programming Projects 1 Timer Facility 2 Process Scheduling 3 The Banker's Algorithm 4 Disk Scheduling Algorithms 5 Stable Storage Glossary Bibliograhy Author Index Subject Index |
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