From 052ca16e536d5354b57a15320d0a8c8d022a78ee Mon Sep 17 00:00:00 2001
From: Kazuho Oku <kazuhooku@gmail.com>
Date: Thu, 14 Mar 2024 13:24:04 +0900
Subject: [PATCH] report the cause

---
 t/e2e.t | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/t/e2e.t b/t/e2e.t
index cf48ecb5..52faa4de 100755
--- a/t/e2e.t
+++ b/t/e2e.t
@@ -455,7 +455,7 @@ sub spawn_process {
     }
     while (`netstat -na` !~ /^udp.*\s(127\.0\.0\.1|0\.0\.0\.0|\*)[\.:]$listen_port\s/m) {
         if (waitpid($pid, WNOHANG) == $pid) {
-            die "failed to launch @{[$cmd->[0]]}";
+            die "failed to launch @{[$cmd->[0]]}:$?";
         }
         sleep 0.1;
     }