GATE - 2008 | OS | Which of the following is NOT true of deadlock prevention and deadlock
Posted on 14-02-2022
GATE - 2008 [Operating System]
Question:
Which of the following is NOT true of deadlock prevention and deadlock avoidance schemes?
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A |
In deadlock prevention, the request for resources is always granted if the resulting state is safe |
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B |
In deadlock avoidance, the request for resources is always granted if the result state is safe |
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C |
Deadlock avoidance is less restrictive than deadlock prevention |
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D |
Deadlock avoidance requires knowledge of resource requirements a priori |
Solution:
Option (A).
The deadlock prevention scheme handles deadlock by making sure that one of the four necessary conditions doesn't occur.
So, it may be the case that a resource request might be rejected even if the resulting state is safe.
Hence, option (A) is false.
Thank You