David Blaikie c700c4d161 Update the non-pthreads fallback for RWMutex on Unix
Tested this by #if 0'ing out the pthreads implementation, which
indicated that this fallback was not currently compiling successfully
and applying this patch resolves that.

Patch by Andy Chien.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@220969 91177308-0d34-0410-b5e6-96231b3b80d8
2014-10-31 17:02:30 +00:00
..
2014-10-29 23:44:35 +00:00
2014-10-31 16:45:36 +00:00
2014-10-31 16:08:17 +00:00