intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 22 insertions, 0 deletions

diff --git a/library/cpp/messagebus/shutdown_state.h b/library/cpp/messagebus/shutdown_state.h
new file mode 100644
index 0000000000..86bd7110ae
--- /dev/null
+++ b/library/cpp/messagebus/shutdown_state.h
@@ -0,0 +1,22 @@
+#pragma once
+
+#include "misc/atomic_box.h"
+
+#include <util/system/event.h>
+
+enum EShutdownState {
+    SS_RUNNING,
+    SS_SHUTDOWN_COMMAND,
+    SS_SHUTDOWN_COMPLETE,
+};
+
+struct TAtomicShutdownState {
+    TAtomicBox<EShutdownState> State;
+    TSystemEvent ShutdownComplete;
+
+    void ShutdownCommand();
+    void CompleteShutdown();
+    bool IsRunning();
+
+    ~TAtomicShutdownState();
+};