commit 08e1477ccbddb7fdf9998514c53844ef5db2f6e7
author Eric Fiselier <eric@efcs.ca> Sat Jan 14 10:27:12 2017 +0000
committer Eric Fiselier <eric@efcs.ca> Sat Jan 14 10:27:12 2017 +0000
tree 431d695ce076be24b34b97a5ebb3af88cdf65f96
parent 666c64b155db7c0d6001c29b12d9c4ed49c26198

Fix Windows try_lock implementation

llvm-svn: 292011

libcxx/src/mutex.cpp

diff --git a/libcxx/src/mutex.cpp b/libcxx/src/mutex.cpp
index 9397ae7..338b79f 100644
--- a/libcxx/src/mutex.cpp
+++ b/libcxx/src/mutex.cpp
@@ -37,7 +37,7 @@
 bool
 mutex::try_lock() _NOEXCEPT
 {
-    return __libcpp_mutex_trylock(&__m_) == 0;
+    return __libcpp_mutex_trylock(&__m_);
 }
 
 void
@@ -83,7 +83,7 @@
 bool
 recursive_mutex::try_lock() _NOEXCEPT
 {
-    return __libcpp_recursive_mutex_trylock(&__m_) == 0;
+    return __libcpp_recursive_mutex_trylock(&__m_);
 }
 
 // timed_mutex