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6-OS-Synchronization

6-OS-Synchronization

Robin_宋
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Shared Memory Thread Synchronization Threads cooperate in multithreaded environments -User threads and kernel threads -Share resources and data structures --E.g. memory cache in a web server -Coordinate execution --Producer/consumer model For correctness, cooperation must be controlled -Must assume threads interleave execution arbitrarily --Scheduler cannot know everything -Control mechanism: synchronization --Allows restriction of interleaving Note: This is a global issue (kernel and user) -Also in distributed systems
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