fprime-vxworks' queue cannot implement F Prime Queue spec

[kevin-f-ortega]

F´ Version	All
Affected Component	fprime-vxworks Os::Queue

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Problem Description

VxWorks does not support the queue priority features that is expected by the F Prime spec.

Context / Environment

Operating System: Linux
CPU Architecture: x86_64
Platform: Linux-4.18.0-553.16.1.el8_10.x86_64-x86_64-with-glibc2.28
Python version: 3.11.9
CMake version: 3.23.1
Pip version: 25.0.1
Pip packages:
    fprime-tools==3.6.0
    fprime-gds==3.6.0
    fprime-fpp-*==2.3.0
Project submodules:

How to Reproduce

1. Build fprime-vxworks-reference using VxWorks and the VxWorks' Queues.
2. Run FSW on a BBB and send a command no-op
3. Look at events and see the events are in reversed order

Expected Behavior

The events to come out in the correct order.