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Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Write a C program that will first create the necessary pipes and generate the below process tree. P2 P1 P3 P4 The program works as follows: Process P2 displays "P2" and asks the user to enter a positive integer (side) representing the length of a side of a square. Then, P2 will read this value from the user and send it to P1. Afterwards, Process P1 receives the length sent by P2 and sends the length back to Process P3. Then, Process P1 will wait until the child processes terminate. Process P3 receives the length sent by P1 and calculates the area of a square which is equal to (side?) and the perimeter of a square which is equal to (4 x side) and then it sends the area of the square and the perimeter of the square to P4. Process P4 receives the area of the square and the perimeter of the square sent by process P3, and displays "P4" and the area of the square and the perimeter of the square. Note that all the values exchanged between processes should be sent and received using PIPE(S). After you finish, copy the code and paste it in the Google Classroom Test Form. Sample Run: P2: Enter the length of the side of a square: 2 P4: The area of the square is 4, and the perimeter is 8
Transcribed Image Text:Write a C program that will first create the necessary pipes and generate the below process tree. P2 P1 P3 P4 The program works as follows: Process P2 displays "P2" and asks the user to enter a positive integer (side) representing the length of a side of a square. Then, P2 will read this value from the user and send it to P1. Afterwards, Process P1 receives the length sent by P2 and sends the length back to Process P3. Then, Process P1 will wait until the child processes terminate. Process P3 receives the length sent by P1 and calculates the area of a square which is equal to (side?) and the perimeter of a square which is equal to (4 x side) and then it sends the area of the square and the perimeter of the square to P4. Process P4 receives the area of the square and the perimeter of the square sent by process P3, and displays "P4" and the area of the square and the perimeter of the square. Note that all the values exchanged between processes should be sent and received using PIPE(S). After you finish, copy the code and paste it in the Google Classroom Test Form. Sample Run: P2: Enter the length of the side of a square: 2 P4: The area of the square is 4, and the perimeter is 8
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