Explain readers-writers problem, Computer Engineering

Assignment Help:

Explain Readers-writers problem.

Readers-writers problem: Assume that a data object (as a file or record) is to be shared between several concurrent processes. The readers are processes which are interested in only reading the content of shared data-object. Writers are the processes which may need to update (i.e. to read and write) the shared data object. No adverse effects will result, if two readers access the shared data object simultaneously. Though, if a writer and some other process (either a writer or reader) access the shared object concurrently, anomaly may arise. To make sure that these difficulties do not occur, writers are needed to have exclusive access to the shared object. Such synchronization problem is referred to as the problem of readers-writers.


Related Discussions:- Explain readers-writers problem

Why are high-speed memories required, Q. Why are high-speed memories requir...

Q. Why are high-speed memories required? Is the main memory not a high-speed memory? The answer to second question is absolutely 'No' though why so? Then if memories are slowe

Unencoded micro-instructions, Unencoded micro-instructions One bit ...

Unencoded micro-instructions One bit is required for each control signal; so number of bits needed in a micro-instruction is high. It represents a detailed hardware vi

Parallel random access machines, PRAM is one among the models which are use...

PRAM is one among the models which are used for designing the parallel algorithm as shown in Figure. The PRAM model comprises the following components: i)  A group of identical

Posix, POSIX is the IEEE's Portable Operating System Interface for Computer...

POSIX is the IEEE's Portable Operating System Interface for Computer Environments. The standard provides compliances criteria for operating system services and is designed to allow

Mode counter, desing mode level counter starting at 0011 using D flipflop

desing mode level counter starting at 0011 using D flipflop

ERP, Benefits of implementing ERP

Benefits of implementing ERP

Scanners, A Scanner is a device which allows you to capture photographs or ...

A Scanner is a device which allows you to capture photographs or drawings or text from tangible sources (paper or slides etc.) in electronic form. Scanners work by detecting differ

How are interrupt handled by the operating system, How are interrupt hand...

How are interrupt handled by the operating system? The fundamental interrupt mechanism works as follows: The CPU hardware has wire called the interrupt-request line which

What is a digital comparator, What is a digital comparator? Ans: ...

What is a digital comparator? Ans: Digital Comparator: The comparison of two numbers is an operation which evaluates if one number is greater than, less than, or equival

Telecommunications, with poisson arrival of two calls per minute what is th...

with poisson arrival of two calls per minute what is the probability that more than three calls will arrive in two minutes? that is the time during which at least 4 calls will arr

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