3 years ago

A semaphore puts a thread to sleep:

Computers and Technology

1 answer:

otez555 [7]3 years ago

3 0

Answer:

B. until another thread issues a notify on the semaphore.

Explanation:

A semaphore is a variable that is shared between threads and is not negative. It also acts as a calling mechanism that uses two atomic operations wait and signal for synchronization of processes.

A thread that is waiting for a process can be signaled by another thread.

A semaphore puts a thread to sleep until another thread issues a notify on the semaphore.

The wait operation will get a semaphore or otherwise wait if the busy S semaphore is available.

The signal operation will release a semaphore or wake a process if there is a thread waiting for S.

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