[En-Nut-Discussion] Semaphore implementation

[Ole Reinhardt]

Hi,

> As Nut/OS is using co-operative multitasking, taskswitching
> only happens in functions where you would assume this.
> so it does not happen at unexpected positions,
> e.g., after an if conditional check.

Sorry, you'r right. Belief me, I did not yet realize that we only have
co-operative multitasking :-) I only wondered about the everywhere
missing atomic functions.

Shure this makes sense now.

Ole

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