1 files changed, 16 insertions, 0 deletions
diff --git a/proto-ft/mutex.hpp b/proto-ft/mutex.hpp
new file mode 100644
index 00000000..f92a14bf
--- /dev/null
+++ b/proto-ft/mutex.hpp
@@ -0,0 +1,16 @@
+#pragma once
+
+class check_for_first_run final
+{
+    bool checked_for_first_run;
+    bool is_first_instance;
+    bool enabled;
+    
+    void try_exit();
+public:
+    check_for_first_run();
+    bool is_first_run();
+    void set_enabled(bool flag);
+    void try_runonce();
+    ~check_for_first_run();
+};