[ECOS] Is it possible to post semaphore in an interrupt handler ?

[Gary D. Thomas]

On Fri, 2003-02-21 at 12:53, Philippe Vandermersch wrote:
> Hi,
> 
> It looks like it is not safe to post a semaphore while under interrupt.
> It seems that there is a race condition if a thread is doing a sem_get
> at the same time.
> 
> If in my thread, I disable interrupt before to access any semaphore, it
> seems to work pretty well.
> 
> Any comments ?

You should not have to disable interrupts to post semaphores.

That said, you cannot post a semaphore from ISR, only DSR code.
Check the documentation and archives - this has been discussed
a lot previously.

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