4.1. It was pointed out that two advantages of using multiple threads within a process are that (1) less work is involved in creating a new thread within an existing process than in creating a new process, and (2) communication among threads within the same process is simplified. Is it also the case that a mode switch between two threads within the same process involves less work than a mode switch between two threads in different processes?

4.1. It was pointed out that two advantages of using multiple threads within a process are that (1) less work is involved in creating a new thread within an existing process than in creating a new process, and (2) communication among threads within the same process is simplified. Is it also the case that a mode switch between two threads within the same process involves less work than a mode switch between two threads in different processes?

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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Concept explainers

Race Condition

A race condition occurs within a critical section when two or more tasks try to access and alter a shared resource simultaneously. As a consequence, the process changes to a state of inconsistency.

Question

Problems 4.1 & 4.5

single-threaded
co
4.5. If a process exits and there are still threads of that process
running, will they continue to run?
4.6. The OS/390 mainframe operating system is structured arou

4.1. It was pointed out that two advantages of using multiple
threads within a process are that (1) less work is involved in creating
a new thread within an existing process than in creating a new
process, and (2) communication among threads within the same
process is simplified. Is it also the case that a mode switch between
two threads within the same process involves less work than a
mode switch between two threads in different processes?

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