From 4af1aa670b532f00cd7babda0dfe0fcb90bcfd1a Mon Sep 17 00:00:00 2001
From: Brian Seymour <imbrianseymour@gmail.com>
Date: Thu, 18 Feb 2021 16:26:11 -0600
Subject: [PATCH] replace pkill loop with pgrep while loop

---
 lxc/execute | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/lxc/execute b/lxc/execute
index 66e1daf..3f893fb 100755
--- a/lxc/execute
+++ b/lxc/execute
@@ -27,7 +27,7 @@ exec 200>&-
 
 # prevent users from spying on each other
 lxc-attach --clear-env -n piston -- \
-    /bin/bash -l -c "
+    /bin/bash -c "
         chown runner$runner: -R /tmp/$id
         chmod 700 /tmp/$id
     " > /dev/null 2>&1
@@ -35,12 +35,12 @@ lxc-attach --clear-env -n piston -- \
 # runner
 timeout -s KILL 20 \
     lxc-attach --clear-env -n piston -- \
-        /bin/bash -l -c "runuser runner$runner /exec/$language $id"
+        /bin/bash -c "runuser runner$runner /exec/$language $id"
 
 # process janitor
 lxc-attach --clear-env -n piston -- \
-    /bin/bash -l -c "
-        for i in {1..100}
+    /bin/bash -c "
+        while pgrep -u runner$runner > /dev/null
         do
             pkill -u runner$runner --signal SIGKILL
         done