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Assume that a programmer wants mutual exclusion for some part of the code.  the critical section is testval = testval + 1; The following code example illustrates the use of semaphore:   public class Increment { private int testval = 0; Semaphore sem =new Semaphore (3);   public int nextValue(){ sem.acquire(); testval = testval + 1; sem.release(); return testval; } }       Will there will be race condition between threads/process in the CRITICAL SECTION?  Explain your answer and correct the code above.

Assume that a programmer wants mutual exclusion for some part of the code.  the critical section is testval = testval + 1; The following code example illustrates the use of semaphore:   public class Increment { private int testval = 0; Semaphore sem =new Semaphore (3);   public int nextValue(){ sem.acquire(); testval = testval + 1; sem.release(); return testval; } }       Will there will be race condition between threads/process in the CRITICAL SECTION?  Explain your answer and correct the code above.

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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Assume that a programmer wants mutual exclusion for some part of the code.  the critical section is testval = testval + 1; The following code example illustrates the use of semaphore:

 

public class Increment {

private int testval = 0;

Semaphore sem =new Semaphore (3);

 

public int nextValue(){

sem.acquire();

testval = testval + 1;

sem.release();

return testval;

}

}

 

 

 

  1. Will there will be race condition between threads/process in the CRITICAL SECTION?  Explain your answer and correct the code above.
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