[PATCH] Removing the static initializer in ManagedStatic.cpp by using llvm_call_once to initialize the ManagedStatic mutex.

[Chris Bieneman]

New patches based on feedback.

Updates in these patches:
* Broke Windows and Unix code out into separate Windows.inc files.
* Windows implementation uses <atomic> implementation provided by majnemer.

These patches are tested on Windows and Unix.

http://reviews.llvm.org/D5922

Files:
  include/llvm/Support/Threading.h
  lib/Support/CMakeLists.txt
  lib/Support/ManagedStatic.cpp
  lib/Support/Threading.cpp
  lib/Support/Unix/Threading.inc
  lib/Support/Windows/Threading.inc
-------------- next part --------------
A non-text attachment was scrubbed...
Name: D5922.15529.patch
Type: text/x-patch
Size: 5730 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20141028/de8ada02/attachment.bin>