[PATCH] D40319: [libcxx] Support getentropy as a source of randomness for std::random_device

[Florian Weimer via Phabricator via cfe-commits]

fweimer added a comment.

`getentropy` comes from OpenBSD (among others), and it's in `<unistd.h>` there: https://man.openbsd.org/getentropy.2


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  rL LLVM

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https://reviews.llvm.org/D40319