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-rw-r--r--lib/System/Atomic.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/System/Atomic.cpp b/lib/System/Atomic.cpp
index 5676ca9d62..416f981df8 100644
--- a/lib/System/Atomic.cpp
+++ b/lib/System/Atomic.cpp
@@ -59,7 +59,7 @@ sys::cas_flag sys::AtomicIncrement(volatile sys::cas_flag* ptr) {
#elif defined(__GNUC__)
return __sync_add_and_fetch(ptr, 1);
#elif defined(_MSC_VER)
- return InterlockedCompareExchange(ptr, new_value, old_value);
+ return InterlockedIncrement(ptr);
#else
# error No atomic increment implementation for your platform!
#endif
@@ -72,7 +72,7 @@ sys::cas_flag sys::AtomicDecrement(volatile sys::cas_flag* ptr) {
#elif defined(__GNUC__)
return __sync_sub_and_fetch(ptr, 1);
#elif defined(_MSC_VER)
- return InterlockedIncrement(ptr);
+ return InterlockedDecrement(ptr);
#else
# error No atomic decrement implementation for your platform!
#endif