Reentry guards are not thread safe.
Open
Nobody has claimed this yet.
bug
- Dominant language
- Python
- Stars
- 37
- Forks
- 24
- PR merge metrics
- No merged PRs in 30d
Description
Wrap can generate reentry guards for all MPI functions when enabling the `-g` option. However, a global `static int` will be used, which is not thread safe.
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Inspect the generator path that handles the `-g` option and the generated reentry guards, focusing on how the global `static int` is emitted for MPI functions. Confirm the guards remain safe when used by multiple threads; the issue does not name a test or source file to run.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- c, python
- Domain
- tooling
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100