zebra: When shutting down actually close the socket

When shutting down and we have a very large table to shutdown
and after we've intentionally closed all the client connections
close the zebra zserv client socket.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/zebra/zserv.c b/zebra/zserv.c
index 6532491cef..f5bb3aabb7 100644
--- a/zebra/zserv.c
+++ b/zebra/zserv.c
@@ -773,6 +773,18 @@ static int zserv_accept(struct thread *thread)
 	return 0;
 }
 
+void zserv_close(void)
+{
+	/*
+	 * On shutdown, let's close the socket down
+	 * so that long running processes of killing the
+	 * routing table doesn't leave us in a bad
+	 * state where a client tries to reconnect
+	 */
+	close(zsock);
+	zsock = -1;
+}
+
 void zserv_start(char *path)
 {
 	int ret;