std: Limit the read/write size on Darwin #6333
Merged
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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...