How semaphores implement mutual exclusion, Computer Engineering

Assignment Help:

How semaphores implement mutual exclusion?

Mutual-exclusion implementation along with semaphores:

Assume that there are n-processes and they share a semaphore, mutex (standing for mutual exclusion), initialized to 1. All processes Pi is organized as illustrated below:

do{

          wait(mutex);  

     critical section

signal(mutex);

           remainder section }while(1);


Related Discussions:- How semaphores implement mutual exclusion

Explain bitwise-and operator, Bitwise-AND Operator: & AND-expression : ...

Bitwise-AND Operator: & AND-expression : relational-expression AND-expression & equality-expression The bitwise-AND operator (&) compares each bit of its first operand t

Write a subroutine in c which toggles the cursor, Q . Write a subroutine in...

Q . Write a subroutine in C which toggles the cursor? Write a subroutine in C which toggles the cursor. It takes one argument which toggles the value between on (1) and off (0)

Interaction between the dynpro and the abap/4, How does the interaction bet...

How does the interaction between the Dynpro and the ABAP/4 Modules takes place? -A transaction is a collection os screens and ABAP/4 routines , controlled and implemented by a

What is matrix addressing mode, What is Matrix Addressing Mode. Ans. M...

What is Matrix Addressing Mode. Ans. Matrix Addressing Mode: The arrangement which needs the fewest address lines is a square array of n rows and n columns for a whole memory

Process of interaction design, This unit starts by discussing the importanc...

This unit starts by discussing the importance of involving users in the interaction design process, explaining the reasons why user involvement can be useful, the different degrees

Which one state is not a fundamental process state, Which one state is not ...

Which one state is not a fundamental process state? Ans. Blocked state is not a fundamental process state.

What specifies by environment variable in cgi script, The Environment varia...

The Environment variable SCRIPT_NAME in CGI script specifies? In CGI script gives the path of URL after server name.

What is functions indention, Use tabs to bring some structure into your fun...

Use tabs to bring some structure into your function body if(nPos > 1) then nRetrun = True else nRetrun = False end if

Compares a pair of characters entered by keyboard, Program: This program c...

Program: This program compares a pair of characters entered by keyboard. ; Registers used: AX, BX, CX, DX DATA SEGMENT                          XX DB?

Total number of registers in a cpu, Q. Total number of registers in a CPU? ...

Q. Total number of registers in a CPU? Factors to consider when choosing total number of registers in a CPU are:  CPU can access registers faster than it can access m

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