From 96a194de890f7ef1e6e5e036b32848e0f9d1bcf5 Mon Sep 17 00:00:00 2001 From: Markus Lehtonen Date: Thu, 2 Feb 2017 12:42:12 +0200 Subject: build-perf-test-wrapper.sh: implement locking In order to prevent multiple instances of the script running at the same time. Signed-off-by: Markus Lehtonen Signed-off-by: Ross Burton --- scripts/contrib/build-perf-test-wrapper.sh | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'scripts/contrib') diff --git a/scripts/contrib/build-perf-test-wrapper.sh b/scripts/contrib/build-perf-test-wrapper.sh index e03ea978b9..a4c19290a7 100755 --- a/scripts/contrib/build-perf-test-wrapper.sh +++ b/scripts/contrib/build-perf-test-wrapper.sh @@ -67,6 +67,17 @@ if [ $# -ne 0 ]; then exit 1 fi +# Open a file descriptor for flock and acquire lock +LOCK_FILE="/tmp/oe-build-perf-test-wrapper.lock" +if ! exec 3> "$LOCK_FILE"; then + echo "ERROR: Unable to open lock file" + exit 1 +fi +if ! flock -n 3; then + echo "ERROR: Another instance of this script is running" + exit 1 +fi + echo "Running on `uname -n`" if ! git_topdir=$(git rev-parse --show-toplevel); then echo "The current working dir doesn't seem to be a git clone. Please cd there before running `basename $0`" -- cgit 1.2.3-korg