[rtems] Tweaks to sys/features.h

[Ralf Corsepius]

On Thu, 2008-11-20 at 06:07 +0100, Ralf Corsepius wrote:
> Hi again,
> 
> another RTEMS specific newlib patch, we'd like to see merged into
> newlib.
> 
> This patch address 2 issue with sys/features.h:
> * POSIX/SUSv3 mandates _POSIX_MONOTONIC_CLOCK to be set to -1, 0 or
> 200112L. RTEMS supports _POSIX_MONOTONIC_CLOCK but doesn't support
> sysconf(), so it must be set 200112L.
> 
> * RTEMS doesn't support _POSIX_SHARED_MEMORY_OBJECTS. The setting having
> been used so far was wrong.

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