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C++ System Programming Cookbook

You're reading from   C++ System Programming Cookbook Practical recipes for Linux system-level programming using the latest C++ features

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Product type Paperback
Published in Feb 2020
Publisher Packt
ISBN-13 9781838646554
Length 292 pages
Edition 1st Edition
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Author (1):
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Onorato Vaticone Onorato Vaticone
Author Profile Icon Onorato Vaticone
Onorato Vaticone
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Toc

Table of Contents (13) Chapters Close

Preface 1. Getting Started with System Programming 2. Revisiting C++ FREE CHAPTER 3. Dealing with Processes and Threads 4. Deep Dive into Memory Management 5. Using Mutexes, Semaphores, and Condition Variables 6. Pipes, First-In First-Out (FIFO), Message Queues, and Shared Memory 7. Network Programming 8. Dealing with Console I/O and Files 9. Dealing with Time Interfaces 10. Managing Signals 11. Scheduling 12. Other Books You May Enjoy

Learning to get the timeslice value

The Linux scheduler offers different policies for allocating processor time to tasks. The Learning to set and get a scheduler policy recipe shows what policies are available and how to change them. The SCHED_RR policy, that is, the round-robin policy, is the one that's used on real-time tasks (with SCHED_FIFO). The SCHED_RR policy assigns a timeslice to each process. This recipe will show you how to configure the timeslice.

How to do it...

In this recipe, we'll be writing a small program to get the round-robin timeslice by using the sched_rr_get_interval() function:

  1. On a new shell, open a new file called schedGetInterval.cpp. We have to include <sched...
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