State critical section problem, Operating System

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State critical section problem? Discuss three solutions to solve the critical section problem.

C-S Problem:-

n processes all competing to use some shared data
Every process has a code segment, called critical section, in which the shared data is accessed
problem - make sure that when one process is executing in its critical section, no other process is allowed to implement in its critical section

Solution to the C-S problem

1. Mutual Exclusion - No two processes eat concurrently

2. Progress - If no process eats forever, and some process is hungry, then some (potententially different) hungry process eventually eats.

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