If the semaphore value is negative
A)its magnitude is the number of processes waiting on that semaphore
B)it is invalid
C)no operation can be further performed on it until the signal operation is performed on it
D)none of the mentioned

Question

Quizplus · Accepted Answer

The magnitude of a negative semaphore value indicates the number of processes waiting on that semaphore. When a semaphore's value is negative, it means that there are processes that have attempted to perform a wait operation on the semaphore and are now blocked, waiting for the semaphore to be signaled enough times to proceed.

If the Semaphore Value Is Negative