bgpd: block io thread reads once shutdown has started

Signed-off-by: Lou Berger <lberger@labn.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/bgpd/bgp_main.c b/bgpd/bgp_main.c
index 5158717b5d..004bdd90a2 100644
--- a/bgpd/bgp_main.c
+++ b/bgpd/bgp_main.c
@@ -143,6 +143,8 @@ void sighup(void)
 __attribute__((__noreturn__)) void sigint(void)
 {
 	zlog_notice("Terminating on signal");
+	assert(bm->terminating == false);
+	bm->terminating = true;	/* global flag that shutting down */
 
 	if (!retain_mode)
 		bgp_terminate();