From e6dd2056c46728f03f704bc57ef83bdc74b5cd8e Mon Sep 17 00:00:00 2001
From: Greelan <53196309+Greelan@users.noreply.github.com>
Date: Wed, 11 Oct 2023 13:46:05 +1100
Subject: [PATCH] Arma3: improve exit handling for headless clients (#476)

---
 arma3runhc.sh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arma3runhc.sh b/arma3runhc.sh
index de6cee4..0c675d1 100644
--- a/arma3runhc.sh
+++ b/arma3runhc.sh
@@ -38,13 +38,14 @@ for i in $(seq 1 "$1"); do
 done
 
 # Monitor server process and terminate headless clients
-# when server terminates
-trap 'kill "${clients[@]}" >/dev/null 2>&1' SIGTERM
+# when server terminates or SIGTERM/SIGINT received
+trap 'for client in "${clients[@]}"; do kill "$client" >/dev/null 2>&1; done; wait' SIGTERM SIGINT
 while true; do
   if ! $netcommand -uln | grep -q ":$3 "; then
     for client in "${clients[@]}"; do
       kill "$client" >/dev/null 2>&1
     done
+    wait
     exit 0
   fi
   sleep 1