Condition Variable Implementation Using Semaphore in C#

Abstract

The semaphore class works similar to the Monitor and Mutex class but lets you set a limit on
how many threads have access to a critical section. It's often described as a nightclub (the semaphore)
where the visitors (threads) stand in a queue outside the nightclub waiting for someone to leave in order
to gain entrance. A critical section is a piece of code that accesses a shared resource (data structure or
device) but the condition is that only one thread can enter in this section in a time.