The document discusses process synchronization and solutions to the critical section problem in concurrent processes. It introduces Peterson's solution which uses shared variables - a "turn" variable and a "flag" array to indicate which process can enter the critical section. It also discusses synchronization hardware support using atomic instructions like Test-And-Set and Swap that can be used to implement mutual exclusion solutions to the critical section problem.

1. PROCESS SYNCHRONIZATION BY R DEEPA LAKSHMI

4. Producer-Consumer Example

11. Peterson’s Solution

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