Suppose the following two processes, foo and bar, are executed concurrently and share the semaphore variables S
Question:
Suppose the following two processes, foo and bar, are executed concurrently and share the semaphore variables S and R (each initialized to 1) and the integer variable x (initialized to 0).
a. Can the concurrent execution of these two processes result in one or both being blocked forever? If yes, give an execution sequence in which one or both are blocked forever.
b. Can the concurrent execution of these two processes result in the indefinite postponement of one of them? If yes, give an execution sequence in which one is indefinitely postponed.
Transcribed Image Text:
void foo ( void bar) do do semWait (S); semWait (R) semWait (R) semWait (S); X++i semSignal (S); SemSignal (R) semSignal (S; SemSignal (R); l while (1); while (1)
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 55% (9 reviews)
a Yes If foo executes semWaitS and then bar executes se...View the full answer
Answered By
Nicole omwa
Being a highly skilled tutor with at least 5 years of tutoring experience in different areas, I learned how to help diverse learners in writing drafts of research papers, actual research papers and locate credible sources. My assurance is built upon my varied knowledge of a variety of subjects. Furthermore, my involvement and interaction with numerous learners of all levels has allowed me to understand my clients' specific demands. Ultimately, this has aided me in being a better coach to learners to better their grades. Essentially, my responsibilities as a tutor would include:
Teaching abilities that assist pupils in enhancing their academic performance
Personal interaction with learners to make them understand abstract concepts
Inducing new skills and knowledge into their academic journeys
Fostering individual reflection, and independent and critical thinking
Editing and proofreading
Because I am constantly available to respond to your queries, you may decide to rely on me whenever you require my assistance. As an assurance, my knowledge skills and expertise enable me to quickly assist learners with different academic challenges in areas with difficulty in understanding. Ultimately, I believe that I am a reliable tutor concerned about my learner's needs and interests to solve their urgent projects. My purpose is always to assist them in comprehending abstract schoolwork and mastering their subjects. I also understand that plagiarism is a severe offense and has serious ramifications. Owing to this, I always make it a point to educate learners on the numerous strategies to have uniquely unique solutions. I am familiar with the following formatting styles:
MLA
APA
Harvard
Chicago
IEEE
Communication is always the key in every interaction with my learners. Hence, I provide timely communication about the progress of assigned projects. As a result, I make sure that I maintain excellent communication with all of my clients. I can engage with all of my customers more effectively, assisting them with their unique academic demands. Furthermore, I attempt to establish a solid working relationship with my leaners I have exceptional abilities in the below areas;
Sociology
History
Nursing
Psychology
Literature
Health and Medicine
Chemistry
Biology
Management
Marketing
Business
Earth Science
Environmental Studies
Education
Being a teacher who aces in diverse fields, I provide various academic tasks, which include;
Academic Reports
Movie Reviews
Literature Reviews
Annotated bibliographies
Lab reports
Discussion posts
Dissertations
Case study analyses
Research proposals
Argumentative Essays
I guarantee you high-quality Papers!!!!!
5.00+
17+ Reviews
32+ Question Solved
Related Book For
Operating Systems Internals and Design Principles
ISBN: 978-0133805918
8th edition
Authors: William Stallings
Question Posted:
Students also viewed these Computer Sciences questions
-
An experiment can result in one or both of events A and B with the probabilities shown in this probability table: Find the following probabilities: a. P(A) b. P(B) c. P(A © B) d. P(A ª B)...
-
Suppose the following two independent investment opportunities are available to Greenplain, Inc. The appropriate discount rate is 10percent. Year Project Alpha Project Beta -$2,300 1.200 1, 100 900...
-
Suppose the following two independent investment opportunities are available to Scott, Inc. The appropriate discount rate is 10 percent. a. Compute the profitability indexes for each of the two...
-
Explain the benefits of graphs over tables in presenting data.
-
Produce an object-oriented database design for the DreamHome case study documented in Appendix A. State any assumptions necessary to support your design.
-
What are alternatives, other than carrying large sums of cash, to avoid a bank hold on Kyras money? Discuss.
-
The Mann Corporation began operations in 2015.Information relating to the companys purchases of inventory and sales of products for 2015 and 2016 is presented below. Calculate the weighted-average...
-
Biggs Industries is considering adopting the balanced scorecard and has compiled the following list of possible performance measures. Select the balanced scorecard perspective that best matches each...
-
Supply the missing information on the following schedule of cost of goods manufactured. FISCHER CORPORATION Schedule of Cost of Goods Manufactured For the Year Ended December 31, Year 2 Raw materials...
-
The Dorwyn Company has two new products (special kinds of doors and windows) that will compete with the two new products for the Wyndor Glass Co. (described in Section 2.1). Using units of hundreds...
-
A pipeline algorithm is implemented so that a stream of data elements of type T produced by a process P0 passes through a sequence of processes P1, P2, ., Pn - 1, which operates on the elements in...
-
Consider a system consisting of four processes and a single resource. The current state of the claim and allocation matrices is: What is the minimum number of units of the resource needed to be...
-
Dr. Diego Dissolution is recently divorced and has some questions regarding payments he is making to his ex-wife (Mrs. D.). Diego is 45 years old and has a successful dental practice. Mrs. D. was...
-
11. Given f(x) = 7x-2, find f(x+3)+f(-1)
-
Find the compound interest and future value. Round your answers to the nearest cent. Do not round intermediate steps. Principal Rate Compounded $560 4.85% Quarterly Time 2 years The future value is...
-
I want to start writing a weekly post on Linkedin that lightly analyses M&A activity - particularly in the resources/energy/commodities sector but in other sectors as well. Can you please build a...
-
Assume that saving equals 200, investment equals 100 and capital inflows equal 50. What is the value of capital outflows
-
Kyra, a single taxpayer, owns and operates a bakery (as a sole proprietorship). The business is not a "specified services" business. In 2023, the business pays $100,000 in W-2 wages, has $150,000 of...
-
How does Research Focus: Leader Over-Emergence and Gender Dynamics in Self-Managed Teams apply to the events in the case?
-
A report from the college dean indicates that for the previous semester, the grade distribution for the Department of Psychology included 135 As, 158 Bs, 140 Cs, 94 Ds, and 53 Fs. Determine what kind...
-
The air can hold more water vapor at a lower temperature. (True/False)
-
What is the difference between passive and active security threats?
-
List and briefly define three intruder behavior patterns.
-
What is the role of encryption in the operation of a virus?
-
The owner of a new store on Main Street wants to turn the boulevard outside into extra parking spaces because she is concerned about parking availability. She randomly selects 500 residents of the...
-
On a group basis, please research, analyze, and discuss the following: 1) What is the difference between proactive and reactive motivators that spur a company to go international? (2 Marks) 2) List...
-
Read the instructions very well . And attention to the amounts and each contribution in the partnership
Study smarter with the SolutionInn App