commit 94b9e8203919e206be7bc68abda4ba898d2fcc80
author Dean Troyer <dtroyer@gmail.com> Thu Feb 27 11:13:36 2014 -0600
committer Dean Troyer <dtroyer@gmail.com> Thu Feb 27 11:14:05 2014 -0600
tree 86f7a5be883b66e7f81ef37f945cc44b7bbc2e67
parent 003a6a3e1032d882aeff250d3098d48e1315ef1f

Fix exit_trap() error if no child processes

Bug-Id: 1285776
Change-Id: Iad7a9f2c03cc39159beda55345f232cefed10520

stack.sh

diff --git a/stack.sh b/stack.sh
index 4333fb2..f4342dd 100755
--- a/stack.sh
+++ b/stack.sh
@@ -587,8 +587,11 @@
 trap exit_trap EXIT
 function exit_trap {
     local r=$?
-    echo "exit_trap called, cleaning up child processes"
-    kill 2>&1 $(jobs -p)
+    jobs=$(jobs -p)
+    if [[ -n $jobs ]]; then
+        echo "exit_trap: cleaning up child processes"
+        kill 2>&1 $jobs
+    fi
     exit $r
 }