Usage of POSIX keys instead of task variables

[Joel Sherrill]

On Mar 18, 2014 5:35 AM, Christian Mauderer <Christian.Mauderer at embedded-brains.de> wrote:
>
> Hello,
>
> I've planed to work on using POSIX keys instead of task variables in
> the shell, the gxx_wrappers and rtems_rpc. This should makes it
> possible to use the mentioned modules with SMP.
>
> There is a small section in the Wiki regarding this topic:
> http://www.rtems.org/wiki/index.php?title=SMP#Task_Variables
>
> The POSIX keys are already outside the POSIX-API. To use them
> efficiently the function pthread_once is also necessary. Sebastian
> already sent a patch to make this function available for all
> configurations.
>
> My first step will be to extract the test for pthread_once out of the
> psx01 test so that it can build independent of the POSIX-API.

Without looking at the test, I suspect the once cases can simply be moved into a new test without trouble.

> After this the next steps will be to replace the task variables in the
> mentioned modules.

Good. I went on a hunt to eliminate rtems_bsp_delay() and didn't make any progress on this front.

> Kind regards
>
> Christian Mauderer
>
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