Heavy SysInit Dependency

Sebastian Huber sebastian.huber at embedded-brains.de
Wed May 19 14:07:39 UTC 2021

On 19/05/2021 15:25, Joel Sherrill wrote:
> Yeah. But if you use any method with errno, you get all this. I know the
> reent structure has to be initialized but why did it trigger opening
> /dev/console? The console device wasn't configured. Can the post driver
> hook dependency be cleaved from this chain?
> https://git.rtems.org/rtems/tree/cpukit/libcsupport/src/libio_init.c#n69 
> <https://git.rtems.org/rtems/tree/cpukit/libcsupport/src/libio_init.c#n69>
> I think that dependency is only needed if you configure the console
> device driver. Shouldn't the sysinit for the post driver hook be part of
> configuring the console or simple console?
> https://git.rtems.org/rtems/tree/cpukit/include/rtems/confdefs/console.h 
> <https://git.rtems.org/rtems/tree/cpukit/include/rtems/confdefs/console.h>
> https://git.rtems.org/rtems/tree/cpukit/include/rtems/confdefs/iodrivers.h 
> <https://git.rtems.org/rtems/tree/cpukit/include/rtems/confdefs/iodrivers.h>

Initializing /dev/console via the console drivers is an option. I guess 
you still get the file system support pulled in via the file descriptors.

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