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Suppose we have 3 processes running at the same time as shown in the following table. Each resource only has one instance.
Show a possible scenario of resource allocation that results in deadlock. Using a resource allocation graph to show the scenario.
To prevent the possibility of any deadlock, you may modify the order of getting resource requests of some process. Explain how and why. You can also use a resource allocation graph to justify your answer.
P1
P2
P3
while (1) {
get(A);
get(B);
get(C);
// critical region
// use A, B, C
release(A);
release(B);
release(C);
}
get(D);
get(E);
// use D, E, B
release(D);
release(E);
While (1) {
get(F);
// use C, F, D
release(F);
Explain process scheduling in time sharing The relevant features of time sharing are: 1. Process priorities do not depend on the nature of the processes 2. Proc
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Define Ageing Ageing is a method of enhancing the priority of process waiting in Queue for CPU allocation
how does it works
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