retrace: Join with runner threads before destroy runner objects.

This fixes segfaults when exiting on windows.

1 files changed, 6 insertions, 0 deletions

diff --git a/retrace/retrace_main.cpp b/retrace/retrace_main.cpp
index 492deca4..5e31c020 100644
--- a/retrace/retrace_main.cpp
+++ b/retrace/retrace_main.cpp
@@ -284,6 +284,12 @@ public:
         }
     }
 
+    ~RelayRunner() {
+        if (thread.joinable()) {
+            thread.join();
+        }
+    }
+
     /**
      * Thread main loop.
      */