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Controlling Interrupts

Explore the concept of controlling interrupts as an early method to ensure mutual exclusion within critical sections in single-processor operating systems. Understand its simplicity and the significant drawbacks such as privileged operation risks, inability to support multiprocessor systems, potential loss of interrupts, and inefficiency. This lesson helps you grasp when and why interrupt disabling can be used effectively and its limitations in modern concurrency control.

One of the earliest solutions used to provide mutual exclusion was to disable interrupts for critical sections; this ...