Sleeping-Teaching-Assistant

OS Project: Sleeping Teaching Assistant using mutex locks and semaphores.

N threads for students. 1 thread for TA.

Semaphores used:

1. A semaphore to signal and wait TA's sleep.
2. An array of 3 semaphores to signal and wait chair to wait for the TA.
3. A semaphore to signal and wait for TA's next student.

Mutex Lock used:

1. To lock and unlock variable ChairsCount to increment and decrement its value.