Re: [lwip-users] SYS mbox

[Iwan Budi Kusnanto]

On Thu, Nov 3, 2011 at 1:21 PM, Per Klint <address@hidden> wrote:
> Hi!
>
> I have a question regarding the mbox:es.
> We have very short on memory in our system, so we want to have the queue
> length in the mbox set as low as possible.
> This however results that we sometimes gets mbox errors due to that the mbox
> queue is full.
> So my question is what happens when the mbox is full, will lwip retry again
> later or will it result in forever lost message?

It will depend on your ports.
On unix port in contrib directory. sys_mbox_post will wait forever
until there is space in the mbox.

>
> Is there a way to know how many mbox:es that will be created in the system?

See SYS_MBOX_SIZE

CMIIW

>
> Best regards,
>
> /// Per
>
>
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