ch4 - perating System Concepts with Java 7 th Edition, Nov...

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Unformatted text preview: perating System Concepts with Java 7 th Edition, Nov 15, 2006 Silberschatz, Galvin and Gagne 2007 Chapter 4: Threads 4.2 Silberschatz, Galvin and Gagne 2007 Operating System Concepts with Java 7 th Edition, Nov 15, 2006 Chapter 4: Threads Overview Multithreading Models Threading Issues Pthreads Windows XP Threads Linux Threads Java Threads 4.3 Silberschatz, Galvin and Gagne 2007 Operating System Concepts with Java 7 th Edition, Nov 15, 2006 Single and Multithreaded Processes 4.4 Silberschatz, Galvin and Gagne 2007 Operating System Concepts with Java 7 th Edition, Nov 15, 2006 Benefits Responsiveness Resource Sharing Economy Utilization of MP Architectures 4.5 Silberschatz, Galvin and Gagne 2007 Operating System Concepts with Java 7 th Edition, Nov 15, 2006 User and Kernel Threads User threads - Thread management done by user-level threads library. Kernel threads - Threads directly supported by the kernel. 4.6 Silberschatz, Galvin and Gagne 2007 Operating System Concepts with Java 7 th Edition, Nov 15, 2006 Kernel Threads Examples Windows XP/2000 Solaris Linux Tru64 UNIX Mac OS X 4.7 Silberschatz, Galvin and Gagne 2007 Operating System Concepts with Java 7 th Edition, Nov 15, 2006 Multithreading Models Mapping user threads to kernel threads: Many-to-One One-to-One Many-to-Many 4.8 Silberschatz, Galvin and Gagne 2007 Operating System Concepts with Java 7 th Edition, Nov 15, 2006 Many-to-One Many user-level threads mapped to single kernel thread Examples: Solaris Green Threads GNU Portable Threads 4.9 Silberschatz, Galvin and Gagne 2007 Operating System Concepts with Java 7 th Edition, Nov 15, 2006 Many-to-One Model 4.10 Silberschatz, Galvin and Gagne 2007 Operating System Concepts with Java 7 th Edition, Nov 15, 2006 One-to-One Each user-level thread maps to kernel thread Examples Windows NT/XP/2000 Linux Solaris 9 and later 4.11 Silberschatz, Galvin and Gagne 2007 Operating System Concepts with Java 7 th Edition, Nov 15, 2006 One-to-one Model 4.12 Silberschatz, Galvin and Gagne 2007 Operating System Concepts with Java 7 th Edition, Nov 15, 2006...
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ch4 - perating System Concepts with Java 7 th Edition, Nov...

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