1 files changed, 11 insertions, 0 deletions
diff --git a/runtime/runtime-inl.h b/runtime/runtime-inl.h
index bde0d11c6f..e6cc471ae6 100644
--- a/runtime/runtime-inl.h
+++ b/runtime/runtime-inl.h
@@ -25,7 +25,9 @@
 #include "base/casts.h"
 #include "entrypoints/quick/callee_save_frame.h"
 #include "gc_root-inl.h"
+#include "interpreter/mterp/mterp.h"
 #include "obj_ptr-inl.h"
+#include "thread_list.h"
 
 namespace art {
 
@@ -86,6 +88,15 @@ inline ArtMethod* Runtime::GetCalleeSaveMethodUnchecked(CalleeSaveType type)
   return reinterpret_cast64<ArtMethod*>(callee_save_methods_[static_cast<size_t>(type)]);
 }
 
+template<typename Action>
+void Runtime::DoAndMaybeSwitchInterpreter(Action lamda) {
+  MutexLock tll_mu(Thread::Current(), *Locks::thread_list_lock_);
+  lamda();
+  Runtime::Current()->GetThreadList()->ForEach([](Thread* thread, void*) {
+      thread->tls32_.use_mterp.store(interpreter::CanUseMterp());
+  }, nullptr);
+}
+
 }  // namespace art
 
 #endif  // ART_RUNTIME_RUNTIME_INL_H_