'Semaphore implementation' presentation slideshows

Cosc 4740

Cosc 4740. Chapter 6, Part 2 Process Synchronization. Busy loop/waiting problem. Wastes CPU time If scheduler takes into account priority, then low priority process (becomes CPU bound), while other may be high priority

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ICS 143 - Principles of Operating Systems

ICS 143 - Principles of Operating Systems. Lecture 6 and 7 - Process Synchronization Prof. Nalini Venkatasubramanian nalini@ics.uci.edu. Outline. The Critical Section Problem Synchronization Hardware Semaphores Classical Problems of Synchronization Critical Regions Monitors

643 views • 52 slides

Process Synchronization

884 views • 49 slides

POSIX SEMAPHORES

POSIX SEMAPHORES. Mutex Reminder. mutex is a lock that only one thread can "hold" at any given time If a thread tries to acquire the lock while another thread "holds" it, that thread will be blocked until the lock is released

317 views • 11 slides

POSIX SEMAPHORES

POSIX SEMAPHORES. Mutex Reminder. mutex is a lock that only one thread can "hold" at any given time If a thread tries to acquire the lock while another thread "holds" it, that thread will be blocked until the lock is released

212 views • 11 slides