Thought Leadership

Embedded software article: RTOS Revealed #21

By Colin Walls

My latest article on has been published. This piece is the twenty-first installment of the RTOS Revealed series, which will continue to appear through the rest of 2018. The series will cover every aspect of real time operating systems.

Mailboxes: introduction and basic services

In this article, I start my look at mailboxes in an RTOS …

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
Partition memory: introduction and basic services
Partition memory: utility services and data structures
Event flag groups: introduction and basic services
Event flag groups: utility services and data structures
Semaphores: introduction and basic services
Semaphores: utility services and data structures
Mailboxes: introduction and basic services

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