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What is a critical section and how is it implemented?

Answer Posted / umesh

Critical Section allows you to explicitly lock any resources so that untill u release the lock no body else can able to access it. Resource can be any thing. for example a variable, or a piece of code..

We can use Either CRITICAL_SECTION structure with the help of EnterCriticalSection and LeaveCriticalSection APIs.
Or MFC wrapper, CCriticalSection type variable. which gives u lock and unlock mechanism

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