L-3.5: LOCK Variable in OS | Process Synchronization

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Lock variable is a synchronization mechanism.
It uses a lock variable to provide the synchronization among the processes executing concurrently.
However, it completely fails to provide the synchronization.

In this video Solution of Critical Section Problem using Lock Variable explained with examples.

0:00 - Introduction
1:22 - Case 1
4:34 - Case 2

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EDIT: Its called as Spin Lock.

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