Deadlock, Operating System

Assignment Help:

Suppose we have 3 processes running at the same time as shown in the following table. Each resource only has one instance.

Show a possible scenario of resource allocation that results in deadlock. Using a resource allocation graph to show the scenario.

To prevent the possibility of any deadlock, you may modify the order of getting resource requests of some process. Explain how and why. You can also use a resource allocation graph to  justify your answer.

P1

P2

P3

while (1) {

      get(A);

      get(B);

      get(C);

      // critical region

      // use A, B, C

      release(A);

      release(B);

      release(C);

}

while (1) {

     get(D);

      get(E);

      get(B);

      // critical region

      // use D, E, B

      release(D);

      release(E);

      release(B);

}

While (1) {

get(C);

get(F);

get(D);

// critical region

// use C, F, D

release(C);

release(F);

release(D);

}

 


Related Discussions:- Deadlock

Explain disadvantages of the two-level directory, How do we overcome the di...

How do we overcome the disadvantages of the two-level directory? Give links from one user directory to another, creating path names; system files become available by letting th

What is the difference b/w multiprocessing and multitasking, What is the di...

What is the difference between multiprocessing and multitasking? Multi programming means implementing more than one program but here whenever the processor is idle during execu

How program execute in operating system, Q. How Program execute in operatin...

Q. How Program execute in operating system? Program execution: Operating system loads a program in memory and executes the program. The program should be able to end its exec

What is the benefits os co-operating process, What is the benefits OS co-op...

What is the benefits OS co-operating process? Information sharing. Computation speeds up. Modularity. Convenience.

What kernel provide for an effective user level thread, 1. What must a kern...

1. What must a kernel provide for an effective user-level thread implementation? 2. With respect to the quantum q in a scheduling algorithm, explain and discuss the impact of th

Objective, what are the objective of operating system assignment

what are the objective of operating system assignment

What are the multithreading models, What are the multithreading models? ...

What are the multithreading models? There are three models:- a) Many-to-One model b) One-to-One model c) Many-to-Many model

Define ageing, Define Ageing Ageing is a method of enhancing the priori...

Define Ageing Ageing is a method of enhancing the priority of process waiting in Queue for CPU allocation

Installation and Training Documentation, Ask question Project Details PROJE...

Ask question Project Details PROJECT OVERVIEW The ABC Hospital is upgrading their version of Windows. As part of the upgrade, 100 new computers will be purchased. Your task is to

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd