[libcxx-commits] [libcxx] [libc++] use copy_file_range for fs::copy (PR #109211)

[Jannik Glückert via libcxx-commits]

Jannik2099 wrote:

So I looked at the FreeBSD failure again...

FreeBSD does have `sendfile`, but it does NOT have `sys/sendfile.h`, which means libc++ has been doing userspace copies on FreeBSD all this time!

I'll think of a more robust check.

https://github.com/llvm/llvm-project/pull/109211