| Title: Test errno |
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| Description: |
| |
| A simple application verifies the errno value is per-thread and saved during |
| context switches. |
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| -------------------------------------------------------------------------------- |
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| Building and Running Project: |
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| This project outputs to the console. It can be built and executed |
| on QEMU as follows: |
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| make run |
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| -------------------------------------------------------------------------------- |
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| Troubleshooting: |
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| Problems caused by out-dated project information can be addressed by |
| issuing one of the following commands then rebuilding the project: |
| |
| make clean # discard results of previous builds |
| # but keep existing configuration info |
| or |
| make pristine # discard results of previous builds |
| # and restore pre-defined configuration info |
| |
| -------------------------------------------------------------------------------- |
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| Sample Output: |
| |
| ***** BOOTING ZEPHYR OS vxxxx - BUILD: xxxxx ***** |
| main thread, errno before starting co-op threads: abad1dea |
| co-op thread 0, errno before sleep: babef00d |
| co-op thread 1, errno before sleep: deadbeef |
| co-op thread 1, errno after sleep: deadbeef |
| co-op thread 0, errno after sleep: babef00d |
| main thread, errno after running co-op threads: abad1dea |
| =================================================================== |
| PASS - main. |
| =================================================================== |
| PROJECT EXECUTION SUCCESSFUL |