
6. Real time
6.1 Definitions
The aim here is not to explain in detail what a real-time system is. We can, however, give a simple definition of such a system.
A real-time system is a software/hardware combination in which the software enables hardware resources to be properly managed, so that certain tasks can be carried out within specific time limits.
The notion of real-time is closely linked to embedded software, since virtually all proprietary embedded operating systems are real-time (VxWorks, pSOS, LynxOS, QNX, VRTX, etc.). Switching to Linux can pose a major problem, since like all UNIX systems, it is not real-time. As a result, task scheduling following priority assignment is not guaranteed by the Linux...
Exclusive to subscribers. 97% yet to be discovered!
You do not have access to this resource.
Click here to request your free trial access!
Already subscribed? Log in!

The Ultimate Scientific and Technical Reference
This article is included in
Control and systems engineering
This offer includes:
Knowledge Base
Updated and enriched with articles validated by our scientific committees
Services
A set of exclusive tools to complement the resources
Practical Path
Operational and didactic, to guarantee the acquisition of transversal skills
Doc & Quiz
Interactive articles with quizzes, for constructive reading
Real time
Bibliography
Bibliography
Websites
FAQ about the GPL license http://www.gnu.org/licences/gpl-faq.html
Richard Stallman's January 2010 conference (Eyrolles) http://www.dailymotion.com/video/xbuw37_1-5-richard-stallman-et-la-revoluti_tech
...Exclusive to subscribers. 97% yet to be discovered!
You do not have access to this resource.
Click here to request your free trial access!
Already subscribed? Log in!

The Ultimate Scientific and Technical Reference