SYSC-3303-03-Interchange&Interaction

SYSC-3303-03-Interchange&Interaction - memory...

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SYSC 3303 Real Time Programming terchange and Interaction Interchange and Interaction Embedded Systems: Contemporary Design Tool A Contemporary Design Tool , Chapter 12, James Peckol
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terchange and Interaction Interchange and Interaction oth processes and threads : Both processes and threads : 1. Exchange data 2. Synchronize 3. Share resources ifferent methods are required for inter read Different methods are required for inter thread, local inter task and remote inter task. 1/13/2009 SYSC 3303 Winter 2009 C. Schramm 2
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e Big Picture The Big Picture Locality Communication Resource Method Multiple Threads Inter Thread Shared Memory Pointers References Multiple Processes on Same CPU Inter Process (IPC) Local Separate address spaces in same
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Unformatted text preview: memory Messages: Operating System IPC Multiple Processes on Remote CPUs (Bus or Network) Inter Process (IPC) Distributed Separate memories Messages: Socket TCP/UDP 1/13/2009 SYSC 3303 Winter 2009 C. Schramm 3 oadmap Roadmap Shared Variables Global Variables Shared Buffers: Double, Ring Mailbox Synchronization and Coordination Critical Sections ags, Tokens, Semaphores (Binary & Counting) Flags, Tokens, Semaphores (Binary & Counting) Spin Lock versus Busy Waiting Messaging direct and Direct Indirect and Direct Buffering Programming: Sockets, TCP/UDP, Signals 1/13/2009 SYSC 3303 Winter 2009 C. Schramm 4...
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SYSC-3303-03-Interchange&Interaction - memory...

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