signal$()$ operation upon completion of its critical section. Consider reversing the order of these two operationsfirst calling signal$(),$ then calling wait$().$ What would be a possible outcome of this?

Select one:

a$.$

Starvation is possible.

b$.$

Several processes could be active in their critical sections at the same time.

c$.$

Mutual exclusion is still assured.

d$.$

Deadlock is possible.