Question: When initializing a global variable in a multithreaded program, a common programming error is to allow a race condition where the variable can be initialized

When initializing a global variable in a multithreaded program, a common programming error is to allow a race condition where the variable can be initialized twice. Why could this be a problem? Windows provides the InitOnceExecuteOnce API to prevent such races. How might it be implemented?

Step by Step Solution

★★★★★

3.55 Rating (172 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

The variable might be a pointer to a dynamically allocated data structure where the initialization a... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

761-C-S-D-B-O-S (632).docx

120 KBs Word File

Students Have Also Explored These Related Operating System Questions!

Write a multithreaded program that implements the banker's algorithm discussed in Section 7.5.3. Create n threads that request and release resources from the bank. The banker will grant the request...

In this problem you are to compare reading a file using a single-threaded file server and a multithreaded server. It takes 12 msec to get a request for work, dispatch it, and do the rest of the...

Define a function named Minimum that is similar to the Average function from Figure 17.11, but that takes an array of numbers as input and returns the smallest value from that array. For example, the...

Write a program whose main function creates a second thread and then use a global variable to have the two threads ( main is always the starting point of the first thread, no?) communicate with each...

This text discusses synchronization in multi-threaded programming, specifically focusing on synchronization using mutexes and semaphores. In multi-threaded applications, it is common for multiple...

1411116 - Programming I Assignment #3 Due Date: November 30, 2016 Submission Instructions: Submit your assignment on the blackboard link, corresponding to your Section: Please follow the following...

Mistakes that allow a program to run, but cause it to produce erroneous results are called QUESTION 1 logic errors. syntax errors. compiler errors. linker errors. none of the above. 2 points QUESTION...

1. - 30 % Answer these questions: a) On a single-CPU system, under what circumstances does a multithreaded program using kernel threads provide better performance (such as faster execution time)...

In code Composer Studio, I am having some issues building the program. I am using a ARM Cortex M4F based TIVA C Series Launchpad (TM4C123GXL) and version 7.4 of Code Composer Studio. In part 1 and 2...

1. When you pass an array as an argument to a function, what is actually passed? a. the address of the array b. the values of the elements in the array c. a duplicate of the array d. the number of...

In deciding whether to invest abroad, management must first determine whether the firm has a sustainable competitive advantage that enables it to compete effectively in the home market. What are the...

Phosgene is a highly toxic gas made up of carbon, oxygen, and chlorine atoms. Its density at 1.05 atm and 25C is 4.24 g/L. (a) What is the molar mass of phosgene? (b) Phosgene is made up of 12.1% C,...

A company is reviewing its total compensation package to ensure it is competitive and aligns with industry standards. The HR team is considering various components, such as base salary, bonuses,...

The Michaelis-Menten equation for the enzyme pepsin is v 0.50fSg 3.0 3 1024 1 fSg where v is the rate of an enzymatic reaction and fSg is the concentration of a substrate S. Calculate dvydfSg and...

Compare cipher block chaining with cipher feedback mode in terms of the number of encryption operations needed to transmit a large file. Which one is more efficient and by how much?

Using the RSA public key cryptosystem, with a = 1, b = 2, etc., a. If p = 7 and q = 11, list five legal values for d. b. If p = 13, q = 31, and d = 7, find e. c. Using p = 5, q = 11, and d = 27, find...

Suppose a user, Maria, discovers that her private RSA key (d 1, n 1) is same as the public RSA key (e 2, n 2) of another user, Frances. In other words, d 1 = e 2 and n 1 = n 2. Should Maria consider...

Changes in the Cash Account (Please use the appropriate letter for each of the numbered items below. Use ; I for increase, D for decrease or N for no change). Please type the number and the...

Peter Piper has applied for a mortgage of $ 1 4 0 , 0 0 0 . Interest is computed at 7 . 5 percent compounded semiannually. The mortg vill be paid off over 2 0 years. ( For all requirements, use a...

Suppose your grandmother deposited $3800 into an account on your 3rd birthday. If the account earns 8% interest compounded quarterly, find the account balance on your 18th birthday. Round your answer...