[PATCH] D38704: [libunwind] Abstract rwlocks into a class, provide a SRW lock implementation for windows

[Shoaib Meenai via Phabricator via cfe-commits]

smeenai added a comment.

BTW LLVM requires a minimum of Windows 7 according to https://releases.llvm.org/3.8.0/docs/ReleaseNotes.html, so you can rely on SRW locks always being present. If LLVM still has a fallback path for when SRW locks are absent, that could be cleaned up.


https://reviews.llvm.org/D38704