[libcxx] r291342 - Ensure Sleep(...) isn't passed the value 0 on Windows

[Eric Fiselier via cfe-commits]

Author: ericwf
Date: Sat Jan  7 03:53:28 2017
New Revision: 291342

URL: http://llvm.org/viewvc/llvm-project?rev=291342&view=rev
Log:
Ensure Sleep(...) isn't passed the value 0 on Windows

Modified:
    libcxx/trunk/src/thread.cpp

Modified: libcxx/trunk/src/thread.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/src/thread.cpp?rev=291342&r1=291341&r2=291342&view=diff
==============================================================================
--- libcxx/trunk/src/thread.cpp (original)
+++ libcxx/trunk/src/thread.cpp Sat Jan  7 03:53:28 2017
@@ -119,7 +119,7 @@ sleep_for(const chrono::nanoseconds& ns)
     {
 #if defined(_LIBCPP_WIN32API)
         milliseconds ms = duration_cast<milliseconds>(ns);
-        if (ns > duration_cast<nanoseconds>(ms))
+        if (ms.count() == 0 || ns > duration_cast<nanoseconds>(ms))
           ++ms;
         Sleep(ms.count());
 #else