Process Control Blocks
Explains the fields in a process control block, process state transitions, and its role during context switches.
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#Operating Systems
Posts in this collection, ordered newest first.
Mutual Exclusion
Explains how mutual exclusion prevents race conditions around shared resources and summarizes the requirements of correct synchronization.
Critical Sections
Explains how race conditions arise in critical sections and how locks, mutexes, semaphores, and spinlocks protect them.
Context Switching
Explains how processes and threads save and restore execution state during context switches and where the overhead comes from.