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)
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;
}
}
- 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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