Computers and Technology, 13.01.2022 07:10 brooklynvegas514
Simulate the traffic at the intersection of two one-way streets using semaphores. The traffic must obey the following rules:
• Only one car can be crossing at any given time.
• When a car reaches the intersection and no other cars are approaching from the other direction, then the car must be allowed to proceed immediately.
• Cars arriving from both directions simultaneously must take turns in crossing.
The solution should obey the following principles:
• A car approaching from one direction is modeled by incrementing a corresponding counter (Ex: ns for north-south, ew for east-west).
• A busy flag indicates whether the intersection is free or whether a car is currently crossing.
• When busy is true, a car blocks on a semaphore corresponding to the car's direction.
• A blocked car is unblocked when the currently crossing car leaves the intersection.
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