Fix premature ThreadState deletion in MSVC-specific code

53ffcef9 · Harris Hancock · 268577e7 · 53ffcef9
Commit 53ffcef9 authored Nov 14, 2016 by Harris Hancock
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thread.c++ c++/src/kj/thread.c++ +1 -1

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--- a/c++/src/kj/thread.c++
+++ b/c++/src/kj/thread.c++
@@ -134,7 +134,7 @@ void* Thread::runThread(void* ptr) {

 void Thread::ThreadState::unref() {
 #if _MSC_VER
-  if (_InterlockedDecrement(&refcount)) {
+  if (_InterlockedDecrement(&refcount) == 0) {
 #else
  if (__atomic_sub_fetch(&refcount, 1, __ATOMIC_RELEASE) == 0) {
    __atomic_thread_fence(__ATOMIC_ACQUIRE);