All of the following are differences between an integer and a semaphore EXCEPT: Select one: A. You cannot read the current value of a semaphore. B. A semaphore can be negative whereas an integer cannot be. C. When a thread decrements the semaphore, if the result is negative, the thread blocks itself and cannot continue until another thread increments the semaphore. D. When a thread increments the semaphore, if there are other threads waiting, one of the waiting threads gets unblocked.
All of the following are differences between an integer and a semaphore EXCEPT: Select one: A. You cannot read the current value of a semaphore. B. A semaphore can be negative whereas an integer cannot be. C. When a thread decrements the semaphore, if the result is negative, the thread blocks itself and cannot continue until another thread increments the semaphore. D. When a thread increments the semaphore, if there are other threads waiting, one of the waiting threads gets unblocked.
Chapter11: Operating Systems
Section: Chapter Questions
Problem 14VE
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Question
All of the following are differences between an integer and a semaphore EXCEPT:
Select one:
A.
You cannot read the current value of a semaphore.
B.
A semaphore can be negative whereas an integer cannot be.
C.
When a thread decrements the semaphore, if the result is negative, the thread blocks itself and cannot continue until another thread increments the semaphore.
D.
When a thread increments the semaphore, if there are other threads waiting, one of the waiting threads gets unblocked.
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