1 files changed, 6 insertions, 4 deletions
diff --git a/lldb/source/Commands/CommandObjectBreakpointCommand.cpp b/lldb/source/Commands/CommandObjectBreakpointCommand.cpp
index ac2db59..a913ed5 100644
--- a/lldb/source/Commands/CommandObjectBreakpointCommand.cpp
+++ b/lldb/source/Commands/CommandObjectBreakpointCommand.cpp
@@ -193,10 +193,12 @@ are no syntax errors may indicate that a function was declared but never called.
   Options *GetOptions() override { return &m_all_options; }
 
   void IOHandlerActivated(IOHandler &io_handler, bool interactive) override {
-    StreamFileSP output_sp(io_handler.GetOutputStreamFileSP());
-    if (output_sp && interactive) {
-      output_sp->PutCString(g_reader_instructions);
-      output_sp->Flush();
+    if (interactive) {
+      if (lldb::LockableStreamFileSP output_sp =
+              io_handler.GetOutputStreamFileSP()) {
+        LockedStreamFile locked_stream = output_sp->Lock();
+        locked_stream.PutCString(g_reader_instructions);
+      }
     }
   }