(i) Describe the purpose and basic operation of the Fork function. In your answer explain the...
Fantastic news! We've Found the answer you've been seeking!
Question:
Transcribed Image Text:
(i) Describe the purpose and basic operation of the Fork function. In your answer explain the relationship between the Child process and Parent process and identify which lines of code refer to each process. (5 marks) (ii) The listening socket is closed on line 23. Explain why it is closed here and explain whether this affects future connection requests. (5 marks) (iii) Given that the connected socket is most likely closed within the Parent process before the Child process has exchanged any data with the Client application, explain how this is possible. (5 marks) 67892NN 16 17 18 19 20 21 22 23 24 323 www WNNNNNNN 25 л 6819 26 27 28 29 30 31 32 33 34 35 36 37 for ( ; ; ) ( connfd = Accept (listenfd, (SA) NULL, NULL); if ( (childpid - Fork()) 0) ( Close (listenfd); DATA EXCHANGE WITH CLIENT APPLICATION Close (connfd); exit(0); } Close (connfd); C Figure 3- Using Fork. (i) Describe the purpose and basic operation of the Fork function. In your answer explain the relationship between the Child process and Parent process and identify which lines of code refer to each process. (5 marks) (ii) The listening socket is closed on line 23. Explain why it is closed here and explain whether this affects future connection requests. (5 marks) (iii) Given that the connected socket is most likely closed within the Parent process before the Child process has exchanged any data with the Client application, explain how this is possible. (5 marks) 67892NN 16 17 18 19 20 21 22 23 24 323 www WNNNNNNN 25 л 6819 26 27 28 29 30 31 32 33 34 35 36 37 for ( ; ; ) ( connfd = Accept (listenfd, (SA) NULL, NULL); if ( (childpid - Fork()) 0) ( Close (listenfd); DATA EXCHANGE WITH CLIENT APPLICATION Close (connfd); exit(0); } Close (connfd); C Figure 3- Using Fork.
Expert Answer:
Answer rating: 100% (QA)
i The purpose of the Fork function in the provided code is to create a new process Child process that is an exact copy of the calling process Parent p... View the full answer
Related Book For
Principles of Auditing and Other Assurance Services
ISBN: 978-0078025617
19th edition
Authors: Ray Whittington, Kurt Pany
Posted Date:
Students also viewed these programming questions
-
Planning is one of the most important management functions in any business. A front office managers first step in planning should involve determine the departments goals. Planning also includes...
-
The following additional information is available for the Dr. Ivan and Irene Incisor family from Chapters 1-5. Ivan's grandfather died and left a portfolio of municipal bonds. In 2012, they pay Ivan...
-
Calculate the weighted average cost of capital for Genedak-Hogan for before and after international diversification. Did the reduction in debt costs reduce the firm's weighted average cost of...
-
Kyle Ebert believes that the allocation of cost of goods available for sale should be based on the actual physical flow of the goods. Explain to Kyle why this may be both impractical and...
-
K Use the perfect square trinomial formulas to factor. Be sure to factor out any common factors. 100x 140x +49
-
What is a technical review?
-
A firm has experienced a decrease in its current ratio but an increase in its quick ratio during the last three years. What is the likely explanation for these results?
-
What 3 kinds of behavior can be operationally conditioned at public health workplace? McGregor (1960, 1967) proposed two contrasting approaches to management. Explain each one of them. As a manager,...
-
The following selected accounts appear on the Balance Sheet of Examination Corporation as of December 31, 2021. Stockholders' Equity Preferred 5% Stock, $100 par (100,000 shares authorized, 25,000...
-
b) The shear stress for a given normal stress that is applied to a material with a given cohesion and angle of internal friction (Mohr-Coulomb failure criterion; =tano+ci 1
-
How did GE function and perform well, when it was involved with many businesses that were unrelated? Why was what they did important to performance. What are key takeaways other firms can apply in...
-
A non resident alien to the US received the following income: Compensation of $10 million from performing concerts in the United States Cash dividends of $20,000 from a U.S. corporation Interest of...
-
Louisville Bat Company is working on its Budgeted Balance Sheet for the upcoming year. They have collected the following account information for their balance sheet: Cash account balance of $72,000,...
-
For the most recent year, Tesla Corp. has a net income of $14,550. The tax rate was 22%. Tesla paid $3,670 in total interest expense and deducted $4,700 in depreciation expense. What was Tesla's cash...
-
Bonita Company management wants to maintain a minimum monthly cash balance of $22,500. At the beginning of April, the cash balance is $22,500, expected cash receipts for April are $220,500, and cash...
-
In your audit of National Inc.s cash account as of December 31, 2014, you ascertained the following information: The bookkeepers bank reconciliation on November 30, 2014, is as follows: Bank balance...
-
In a large midwestern university, 30% of the students live in apartments. If 200 students are randomly selected, find the probability that the number of them living in apartments will be between 55...
-
What is the purpose of a comfort letter? Discuss.
-
What safeguards should be employed when the inaccessibility of banking facilities makes it desirable to pay employees in cash?
-
List and briefly describe the three approaches to auditing accounting estimates that are included in a clients financial statements.
-
A square loop of side \(a=50 \mathrm{~cm}\) is suspended from the left arm of a scale, which is kept at equilibrium by adding weights to the right side. The lower half of the loop is in a uniform...
-
A \(0.40-\mathrm{m}\) wire carries a current of \(1.7 \mathrm{~A}\) and is at angle to a \(0.20-\mathrm{T}\) uniform external magnetic field. What must be the angle between the wire and the magnetic...
-
A square loop of side length \(1 \mathrm{~m}\) is placed on a wooden table in a uniform magnetic field of magnitude \(0.5 \mathrm{~T}\). The greatest magnetic flux through the loop is measured when...
Study smarter with the SolutionInn App