[kevin_thibedeau]

FreeRTOS also has a nice collection of different heap implementations with varying degrees of sophistication. They are a good read for those interested in such things.

https://www.freertos.org/a00111.html

https://github.com/aws/amazon-freertos/tree/master/lib/FreeR...

[WalterGR]

For the uninitiated, RTOS == Real-Time Operating System. Real-time OSes have constraints that don’t exist in non-real-time OSes.

RTOS on Wikipedia: https://en.m.wikipedia.org/wiki/Real-time_operating_system