Posix functions - PowerPoint PPT Presentation

Operating Systems

Operating Systems. Practical Session 4 Threads. Threads. Executed within a process. Allow multiple independent executions under the same process (container). Possible states: running, ready, blocked, terminated.

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The ‘system-call’ interface

The ‘system-call’ interface. We see how an application program can invoke privileged kernel services . Recall our previous lesson. First, we presented a (simplified) diagram of the major components in a modern OS

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Pthreads, Locks, Semaphores

Pthreads, Locks, Semaphores. CS 241 Systems Programming Discussion Week 3. Week 3. Discussion Quiz MP1. Please log in to compass! Password = pop. Outline. pthreads Thread Safety Synchronization Mutex locks Semaphores. Thread Entry Points.

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