Which one of the following rectifies the problem in the implementation

1.	Which one of the following rectifies the problem in the implementation?
A.	Lines 6 to 10 are simply replaced by process arrived
B.	At the beginning of the barrier the first process to enter the barrier waits until process_arrived becomes zero before proceeding to execute P(S)
C.	Context switch is disabled at the beginning of the barrier and re-enabled at the end
D.	The variable process_left is made private instead of shared
Answer» C. Context switch is disabled at the beginning of the barrier and re-enabled at the end

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Which one of the following rectifies the problem in the implementation?

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