[ECOS] Blocking calls in DSRs

Andrew Lunn andrew@lunn.ch
Fri Aug 20 14:28:00 GMT 2004

On Fri, Aug 20, 2004 at 04:16:46PM +0200, Richard Rauch wrote:
> Hi all,
> Is it allowed to call blocking eCos functions from DSR?
> I wrote a communication handler. This allocates a buffer from a memory pool,
> fills it with the telegram data and post it to a task. But if there are no
> buffers available the DSR would block.

You are not allowed to block. If you are using a memory pool you can
do an none blocking get, ie cyg_mempool_var_try_alloc. If this fails
our pool is full and you have to discard your comminication.


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