GATE | Gate IT 2005 | Question 41
Given below is a program which when executed spawns two concurrent processes :
semaphore X : = 0 ;
/* Process now forks into concurrent processes P1 & P2 */
V (X) ;
| repeat forever|
Consider the following statements about processes P1 and P2:
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- It is possible for process P1 to starve.
- It is possible for process P2 to starve.
Which of the following holds?
(A) Both I and II are true
(B) I is true but II is false
(C) II is true but I is false
(D) Both I and II are false
Explanation: P1 can get stuck on its P, while P2 loops forever. The dual is also possible: P2 gets stuck on its P while P1 loops forever.
Both statements are correct. Option (A).
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