From a21251dfea7bbee1669c556b4e21cc2434f4b6ea Mon Sep 17 00:00:00 2001
From: Michael Vines <mvines@gmail.com>
Date: Fri, 19 Jul 2019 08:32:03 -0700
Subject: [PATCH] Fix up signal handling

---
 multinode-demo/fullnode.sh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/multinode-demo/fullnode.sh b/multinode-demo/fullnode.sh
index 815755266..b7f4cf3f6 100755
--- a/multinode-demo/fullnode.sh
+++ b/multinode-demo/fullnode.sh
@@ -380,6 +380,7 @@ kill_fullnode() {
     kill "$_pid" || true
     wait "$_pid" || true
   fi
+  exit
 }
 trap 'kill_fullnode' INT TERM ERR
 
@@ -498,8 +499,8 @@ EOF
   secs_to_next_genesis_poll=5
   secs_to_next_snapshot=30
   while true; do
-    if ! kill -0 "$pid"; then
-      wait "$pid" || true
+    if [[ -z $pid ]] || ! kill -0 "$pid"; then
+      [[ -z $pid ]] || wait "$pid"
       echo "############## $node_type exited, restarting ##############"
       break
     fi