Race conditions are possible in many computer systems. Consider a banking system with two methods: deposit (amount) and withdraw(amount). These two methods are passed the amount that is to be deposited or withdrawn from a bank account. Assume that a husband and wife share a bank account with a balance of $250.00 and that concurrently the husband calls the withdraw () method of $50.00 and the wife calls deposit () of $100.00. Describe how a race condition is possible and can cause an incorrect balance. What might be done to prevent the race condition from occurring?
Race conditions are possible in many computer systems. Consider a banking system with two methods: deposit (amount) and withdraw(amount). These two methods are passed the amount that is to be deposited or withdrawn from a bank account. Assume that a husband and wife share a bank account with a balance of $250.00 and that concurrently the husband calls the withdraw () method of $50.00 and the wife calls deposit () of $100.00. Describe how a race condition is possible and can cause an incorrect balance. What might be done to prevent the race condition from occurring?
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Transcribed Image Text:Race conditions are possible in many computer systems. Consider a banking system
with two methods: deposit (amount) and withdraw(amount). These two methods are
passed the amount that is to be deposited or withdrawn from a bank account. Assume
that a husband and wife share a bank account with a balance of $250.00 and that
concurrently the husband calls the withdraw () method of $50.00 and the wife calls
deposit () of $100.00.
Describe how a race condition is possible and can cause an incorrect balance. What
might be done to prevent the race condition from occurring?
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