Device Drivers Which Include mkdir("/dev")

Chris Johns chrisj at
Fri Feb 19 23:32:50 UTC 2021

On 20/2/21 7:56 am, Joel Sherrill wrote:
> On Fri, Feb 19, 2021 at 2:51 PM Gedare Bloom <gedare at
> <mailto:gedare at>> wrote:
>     I think the suggestion is to provide a catch-all rather than try to add new
>     faults for every possible condition. This mkdir is a pretty esoteric fault
>     that is unlikely to happen in properly developed code.
> Then why shouldn't this just be a debug _Assert and value not check deliberately?

Will the call ever fail in production? Could a user configure RTEMS in a manner
that generates the failure?

> Isn't an assert something that should not happen in a properly designed BSP. In
> this case, it would be the sysinit magic that would be utterly broken.

I would not step out as far as utterly broken but yes I see your point. There
are other places where we have taken this approach.

If the lack of making a directory in GRLIB is handled by errors in the other
dependent calls then why not add some documentation to the BSP.


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