1 files changed, 4 insertions, 0 deletions
diff --git a/sysdep/unix/io-loop.h b/sysdep/unix/io-loop.h
index 4024b6c5..ca4322fc 100644
--- a/sysdep/unix/io-loop.h
+++ b/sysdep/unix/io-loop.h
@@ -21,9 +21,13 @@ struct birdloop
   u8 poll_changed;
   u8 close_scheduled;
 
+  uint ping_pending;
   _Atomic u32 ping_sent;
   int wakeup_fds[2];
 
+  pthread_t thread_id;
+  pthread_attr_t thread_attr;
+
   uint links;
 
   void (*stopped)(void *data);