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Question 4) Consider the following two processes P1 and P2, to be run concurrently in a shared memory. The line numbers P11,.P15 and P21,.P25 have been added to the left of each statement. Shared variables int x, y P1 P2 P11: x:=0 P21 :y:=0 P12: y:=5 P13: while (y >= 0){ P14: y=y-1 P22 :x=5 P23 : while (x >= 0}{ P24 :x:= x -1 P25 :y:=y+5 P15: x:= x+5 What would be the value of x and v after the execution P11 P12 P21 P22 P13 P14 P247 Show your

Question 4) Consider the following two processes P1 and P2, to be run concurrently in a shared memory. The line numbers P11,.P15 and P21,.P25 have been added to the left of each statement. Shared variables int x, y P1 P2 P11: x:=0 P21 :y:=0 P12: y:=5 P13: while (y >= 0){ P14: y=y-1 P22 :x=5 P23 : while (x >= 0}{ P24 :x:= x -1 P25 :y:=y+5 P15: x:= x+5 What would be the value of x and v after the execution P11 P12 P21 P22 P13 P14 P247 Show your

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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Question 4) Consider the following two processes P1 and P2, to be run concurrently in a shared memory. The line numbers P11,.,P15 and P21,.,P25 have been added to the left of each statement. Shared variables int x, y P1 P2 P21 : y:=0 P11: x:= 0 P12: y:= 5 P22 :x:= 5 P13: while (y >= 0) { P14: y:= y-1 P23 : while (x >= 0){ P24 :x:= x - 1 P15: x:= x+ 5 P25 :y:= y +5 } What would be the value of x and y after the execution P11 P12 P21 P22 P13 P14 P24? Show your work.
Transcribed Image Text:Question 4) Consider the following two processes P1 and P2, to be run concurrently in a shared memory. The line numbers P11,.,P15 and P21,.,P25 have been added to the left of each statement. Shared variables int x, y P1 P2 P21 : y:=0 P11: x:= 0 P12: y:= 5 P22 :x:= 5 P13: while (y >= 0) { P14: y:= y-1 P23 : while (x >= 0){ P24 :x:= x - 1 P15: x:= x+ 5 P25 :y:= y +5 } What would be the value of x and y after the execution P11 P12 P21 P22 P13 P14 P24? Show your work.
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