WebAssembly / WebAssembly/wasi-libc
_WASI_EMULATED_MMAN is doesn't write changes back to the underlying file
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Nobody has claimed this yet.
- Dominant language
- C
- Stars
- 1k
- Forks
- 251
- Avg merge
- 7h 15m
- Merged PRs (30d)
- 3
Description
The munmap is supposed to do this, but also msync is completely missing.
Contributor guide
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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
Start by locating the _WASI_EMULATED_MMAN implementation and reading how munmap currently handles mapped-file changes. Check how msync is represented or absent in that area; done means changes are written back to the underlying file and msync is implemented consistently with munmap.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- c, wasm
- Domain
- operating-systems
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100