intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 22 insertions, 0 deletions

diff --git a/library/cpp/messagebus/actor/what_thread_does.cpp b/library/cpp/messagebus/actor/what_thread_does.cpp
new file mode 100644
index 0000000000..bebb6a888c
--- /dev/null
+++ b/library/cpp/messagebus/actor/what_thread_does.cpp
@@ -0,0 +1,22 @@
+#include "what_thread_does.h"
+
+#include "thread_extra.h"
+
+#include <util/system/tls.h>
+
+Y_POD_STATIC_THREAD(const char*)
+WhatThreadDoes;
+
+const char* PushWhatThreadDoes(const char* what) {
+    const char* r = NTSAN::RelaxedLoad(&WhatThreadDoes);
+    NTSAN::RelaxedStore(&WhatThreadDoes, what);
+    return r;
+}
+
+void PopWhatThreadDoes(const char* prev) {
+    NTSAN::RelaxedStore(&WhatThreadDoes, prev);
+}
+
+const char** WhatThreadDoesLocation() {
+    return &WhatThreadDoes;
+}