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Question

Let m[0]…m[4] be mutexes (binary semaphores) and P[0] …. P[4] be processes. 
Suppose each process P[i] executes the following: 
  wait (m[i]);wait (m[(i+1) mode 4]); 
  .........
  release (m[i]); release (m[(i+1)mod 4]); 
This could cause 

a.

Thrashing

b.

Deadlock 

c.

Starvation, but not deadlock

d.

None of the above

Posted under Operating System

Answer: (b).Deadlock 

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Q. Let m[0]…m[4] be mutexes (binary semaphores) and P[0] …. P[4] be processes.  Suppose each process P[i] executes the following:    wait (m[i]);wait (m[(i+1) mode 4]);...

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