Q1.9. 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
Please let me the know the correct answer with explanation. Is the answer c ?
Process Synchronization
you can read this
https://sites.cs.ucsb.edu/~rich/class/cs170/notes/Semaphores/
A semaphore is an integer with a difference
when it is negative causes one (and only one) of the threads blocked by this semaphore
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