thread: remove except fd set

The fd_set exceptfd is never used by any Quagga thread.

According to documentation it is only meaningful for out of band
data, and no routing protocol uses out of band data. It saves some small
amount of kernel overhead to not use it.

1 files changed, 0 insertions, 1 deletions

diff --git a/lib/thread.h b/lib/thread.h
index b52bc541..09cb2d99 100644
--- a/lib/thread.h
+++ b/lib/thread.h
@@ -53,7 +53,6 @@ struct thread_master
   struct thread_list background;
   fd_set readfd;
   fd_set writefd;
-  fd_set exceptfd;
   unsigned long alloc;
 };