On 23/09/2021 10:44, Chris Johns wrote:
On 23/9/21 4:29 pm, Sebastian Huber wrote:
On 23/09/2021 07:43,chr...@rtems.org  wrote:
From: Chris Johns<chr...@rtems.org>

- This call is provided by RTEMS and that is preferred

Closes #4518
This removes the kqueue() support for pipe().
It does but it also lets the RTEMS one get linked in and do it's work. Pipe for
libio descriptors and libmisc/redirect work nicely well before libbsd is
initialised and this is important in some applications. Especially ones that
capture the console early to implement a `dmesg` type of support.

I am happy to see a file op added for pipe however I view RTEMS as having
priority over the same call signature in libbsd if there is a clash and there 
is.

I have an app that crashes because of this. I have no idea why on RTEMS 5 the
RTEMS one is linked in and the same app and build system now results the libbsd
one. Having 2 is wrong.

Please document the removed kqueue() support for pipe() at least in a ticket. It could be added. It don't think we need it right now or that someone has to implement it, but we should know that there is now a missing feature that existed previously.

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