Logo
Home Study Material Contact Search
AI Chat FREE
  1. computer science
  2. programming
  3. please prove the correctness of the following exte

Please prove the correctness of the following extended compare_and_wait program in terms of mutual exclusion, progress, and...

60.1K

Verified Solution

Question

Programming

Please prove the correctness of the following extendedcompare_and_wait program in terms of mutual exclusion, progress,and bounded waiting.

please show it in the in terms ofmutual exclusion, progress, and bounded waiting.aspectsthankyou

while (true) {
waiting[i] = true;
key = 1;
while (waiting[i] && key == 1)

key =compare_and_swap(&lock,0,1);

waiting[i] =false;

  

// criticalsection

j = (i + 1) % n;

while ((j != i) &&!waiting[j])

j = (j + 1) % n;

if (j == i)

lock = 0;

else

waiting[j] =false;

  // remaindersection

}

Answer & Explanation Solved by verified expert
4.3 Ratings (554 Votes)
Mutual exclusion can be provided as follows A global variable lock is declared and initialized to 0 The first process that invoke compareandswap will set lock to 1 it will then enter in critical section    See Answer
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Finance
1.2K views

please answer all questions and explain in detail according to the subheadings Explain the importance of "environmental...

Physics
1.2K views

The given potentiometer has its wire of resistance 10 When the sliding contact is in...

Basic Math
1.2K views

Identify the following users as either External users or Internal users a Business press b...

Basic Math
1.2K views

Solve the following logarithmic equation. Express your answer as either an exact expression or a...

Calculus
1.2K views

8 12 11 U 19 find 12 9Find f 0 the graph of f x...

Algebra
1.2K views

Question 5 Choose the correct translation of the following int 40 cubic centimeters less than...

Accounting
1.2K views

Data for the two departments of Kimble & Pierce Company for June of...

Accounting
1.2K views

THE FOLLOWING SITUATIONS ARE INDEPENDENT 1- Abdullah Roofing installation completes a $4,000 contract, starting...

Accounting
1.2K views

How many Statements of Financial Accounting Concepts have been issued? a) 6 b) 8 c)...

Accounting
1.2K views

A $140 petty cash fund has petty cash on hand of $24 and receipts of...

Accounting
1.2K views

Garcia Company provides the following information about its product: What is the contribution margin ratio

Finance
1.2K views

stuck on problem What are the portfolio weights for a portfolio...