mesosphere: Add convenience KScopedCriticalSection

mesosphere/include/mesosphere/threading/KScheduler.hpp

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <array>
+#include <mutex>
 #include <mesosphere/core/util.hpp>
 #include <mesosphere/threading/KMultiLevelQueue.hpp>
 #include <mesosphere/threading/KThread.hpp>
@@ -127,4 +128,11 @@ class KScheduler {
     }
 };
 
+// Convenience 
+
+class KScopedCriticalSection {
+    private:
+        std::scoped_lock<KCriticalSection> lk{KScheduler::GetCriticalSection()};
+};
+
 }