Comments (4)
darfink
commented on September 27, 2024
I was thinking about implementing this but saw that CreateFileMappingW is used on Windows for anonymous maps. Is there any specific reason VirtualAlloc is not used instead?
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darfink
commented on September 27, 2024
Is it possible for this to be implemented in before the crate evaluation? Right now this is the only missing feature, preventing me from publishing my detour library.
I've been constrained to retep998's unpublished fork of rust-mmap.
As previously mentioned I could go on and try to implement this myself but I believe there are some underlying reasons as to why CreateFileMapping is used on Windows (IPC?).
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dtolnay
commented on September 27, 2024
Is this something that can be added backward compatibly after 1.0?
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danburkert
commented on September 27, 2024
Yes, as I noted in #48 (comment) I think we can do this backwards compatibly post 1.0.
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Related Issues (20)
- Incorrectly uses usize instead of u64 for file offsets HOT 2
- Support madvise. HOT 4
- what happens if we exceed isize::MAX on 32-bit platforms? HOT 10
- Docs should say why file-backed maps are unsafe HOT 4
- Mmap fails for empty files on Windows HOT 21
- Allow mapping memory safely using `volatile` crate? HOT 4
- Use with DirectIO HOT 2
- Possible overflow while mapping large files on 32 bit systems HOT 1
- Add an `map_copy_read_only` API HOT 4
- Should anonymous mappings be MAP_SHARED by default?
- Allow anonymous RWX mappings HOT 1
- Implement StableDeref?
- Expose page_size pub function as part of crate api
- Support `Mmap` on platforms without real mmap support HOT 4
- Is this crate still maintained? HOT 15
- Error when mapping large files on Windows HOT 2
- Code 87 when attempting to write files HOT 1
- Handling IO-Errors during operation (which happen with network shares and connection drops) HOT 3
- ❌ mmap.binary_search EXC_BAD_ACCESS HOT 2
- Safety comments are missing HOT 2
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