What are the structural changes that take place in memory

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Reference no: EM131876612

Problem

1. What are the structural changes that take place in memory when

(i) a file is opened twice

(ii) its descriptor is replicated? In how many ways can you replicate the descriptor?

2. Modify the program (Self-Test) so that process A creates B and B creates C. The summation should be performed in C and the result returned to B as the exit status. B should double the summed value and return the product to A as the exit status. Will the program work with large numbers?

3. Name two advantages waitpid has over wait. How do you use waitpid to emulate the behavior of wait?

Reference no: EM131876612

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