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Posted to commits@nuttx.apache.org by "casaroli (via GitHub)" <gi...@apache.org> on 2026/10/07 17:35:21 UTC
[PR] examples/fdpicxip, testing/fs/xipfs: Each task group has its own library. [nuttx-apps]
casaroli opened a new pull request, #3813:
URL: https://github.com/apache/nuttx-apps/pull/3813
## Summary
apache/nuttx#20492 gives each task group its own registry of ELF objects. A library that a module names in `DT_NEEDED` is then loaded once per task group, not once for the system, so two instances of a module have two copies of the library data. The library text in xipfs is still shared.
This changes the C++ test in `testing/fs/xipfs` and `examples/fdpicxip` to check this: the library is pinned twice while both instances run, its destructor runs once per instance, and each destructor sees only the adds of its own instance. The module sources change in comments only, so the embedded blobs do not change.
The first commit fixes an nxstyle error that is already on master in `xipfs_main.c`, because CI checks the whole file. Whitespace only.
## Impact
Tests and examples only. Merge after apache/nuttx#20492.
depends-on: apache/nuttx/pull/20492
## Testing
QEMU `mps2-an500:xipfs` with FDPIC and apache/nuttx#20492: `xipfs_test fdpic` gives 32 passed and 2 failed. The same 2 failures occur on master. `fdpicxip solib` and `fdpicxip cxx` show 2 pins while both instances run and 0 after they exit. `tools/checkpatch.sh -c -u -m -g` passes.
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Re: [PR] examples/fdpicxip, testing/fs/xipfs: Each task group has its own library. [nuttx-apps]
Posted by "xiaoxiang781216 (via GitHub)" <gi...@apache.org>.
xiaoxiang781216 merged PR #3813:
URL: https://github.com/apache/nuttx-apps/pull/3813
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Re: [PR] examples/fdpicxip, testing/fs/xipfs: Each task group has its own library. [nuttx-apps]
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on PR #3813:
URL: https://github.com/apache/nuttx-apps/pull/3813#issuecomment-6048640686
<!-- nuttx-depends-on-bot run-37676182717 -->
### 🔗 Cross-repo PR dependencies
The read-only Build run reported the following dependent PR(s) and fetched head SHA(s):
- https://github.com/apache/nuttx/pull/20492 @ 52e93c8899
CI run: https://github.com/apache/nuttx-apps/actions/runs/37676182717
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