Thought Leadership

Embedded software article: RTOS Revealed #13

By Colin Walls

My latest article on has been published. This piece is the thriteenth installment of the RTOS Revealed series, which will continue to appear through the rest of 2017 and beyond. The series will cover every aspect of real time operating systems.

Task data structures and unsupported API calls

In this article, I am finishing up my look at tasks with a perusal of data structures and some details of unsupported API calls …

Here are all the articles in the series:

Introducing RTOS Revealed
Program structure and real time
Tasks and scheduling
Tasks, the context switch and interrupts
Inter-task communication and synchronization
Other RTOS services
Nucleus SE – an introduction
Nucleus SE – internals and deployment
The scheduler – implementation
The scheduler – options and context save
Tasks – configuration and API introduction
Task utility services
Task data structures and unsupported API calls

I hope that you find the series interesting and look forward to your input by comment or email or via social media.

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This article first appeared on the Siemens Digital Industries Software blog at