diff --git a/adb/adb.h b/adb/adb.h
index 85922bf..03a7393 100644
--- a/adb/adb.h
+++ b/adb/adb.h
@@ -86,6 +86,11 @@
         */
     int    closing;
 
+        /* flag: quit adbd when both ends close the
+        ** local service socket
+        */
+    int    exit_on_close;
+
         /* the asocket we are connected to
         */