NDLI: RIOS: a lightweight task scheduler for embedded systems

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Content Provider	ACM Digital Library
Author	Vahid, Frank Miller, Bailey Givargis, Tony
Abstract	RIOS (Riverside-Irvine Operating System) is a lightweight portable task scheduler written entirely in C. The scheduler consists of just a few dozens lines of code, intended to be understandable by students learning embedded systems programming. Non-preemptive and preemptive scheduler versions exist. Compared to the existing open-source solutions FreeRTOS and AtomThreads, RIOS on average has 95% fewer lines of total C code for a sample multitasking application, a 71% smaller executable, and 70% less scheduler time overhead. RIOS source code and examples are available for free at http://www.riosscheduler.org. RIOS is useful for education and as a stepping stone to understanding real-time operating system behavior. Additionally, RIOS is a sufficient real-time scheduling solution for various commercial applications.
Starting Page	1
Ending Page	7
Page Count	7
File Format	PDF
ISBN	9781450317658
DOI	10.1145/2530544.2530553
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2012-10-12
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Preemption Real-time operating system Embedded systems Education Task scheduler C programming
Content Type	Text
Resource Type	Article

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RIOS: a lightweight task scheduler for embedded systems