1 files changed, 4 insertions, 2 deletions
diff --git a/lldb/source/Host/common/MainLoopBase.cpp b/lldb/source/Host/common/MainLoopBase.cpp
index 64a57e6..232b9bc 100644
--- a/lldb/source/Host/common/MainLoopBase.cpp
+++ b/lldb/source/Host/common/MainLoopBase.cpp
@@ -12,8 +12,9 @@
 using namespace lldb;
 using namespace lldb_private;
 
-void MainLoopBase::AddCallback(const Callback &callback, TimePoint point) {
+bool MainLoopBase::AddCallback(const Callback &callback, TimePoint point) {
   bool interrupt_needed;
+  bool interrupt_succeeded = true;
   {
     std::lock_guard<std::mutex> lock{m_callback_mutex};
     // We need to interrupt the main thread if this callback is scheduled to
@@ -22,7 +23,8 @@ void MainLoopBase::AddCallback(const Callback &callback, TimePoint point) {
     m_callbacks.emplace(point, callback);
   }
   if (interrupt_needed)
-    Interrupt();
+    interrupt_succeeded = Interrupt();
+  return interrupt_succeeded;
 }
 
 void MainLoopBase::ProcessCallbacks() {