std: Limit the read/write size on Darwin - #6333
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It turns out that the kernel won't read or write more than 0x7fffffff bytes in a single call, failing with EINVAL when trying to do so. Adjust the limit and curse whoever is responsible for this. Closes ziglang#6332
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os-macos
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Argh, the API supports short writes, they could have just written |
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Nice to see such a fast fix! As an aside it is non trivial to build zig from source on OSX these days due to llvm shenanigans. Thanks! |
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Yep. We'll get there. Unfortunately with LLVM as a dependency, they have the power to mess up our build. If this doesn't get worked out with the next release cycle then it may be worth promoting our bootstrap repository as the main way to get up and running. Here's hoping that LLVM 11 fixes all the problems introduced with LLVM 10. |
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It turns out that the kernel won't read or write more than 0x7fffffff
bytes in a single call, failing with EINVAL when trying to do so.
Adjust the limit and curse whoever is responsible for this.
Closes #6332
See also rust-lang/rust#38590 and python/cpython#9937, the man pages don't mention this limitation at all...