prevent multiple threads from removing and creating the fifo file

diff --git a/plugins.d/loopsleepms.sh.inc b/plugins.d/loopsleepms.sh.inc
index 3112d033574b552dcbe992a22ccc4f353a1184c4..55a75bfa4eb4740465d932864c3447d92e0d5cb7 100644 (file)
--- a/plugins.d/loopsleepms.sh.inc
+++ b/plugins.d/loopsleepms.sh.inc
@@ -83,8 +83,8 @@ fi
 mysleep="mysleep_read"
 
 mysleep_fifo="${NETDATA_CACHE_DIR-/tmp}/.netdata_bash_sleep_timer_fifo"
-[ -e "${mysleep_fifo}" ] && rm "${mysleep_fifo}"
-mkfifo "${mysleep_fifo}" || mysleep="sleep"
+[ ! -e "${mysleep_fifo}" ] && mkfifo "${mysleep_fifo}"
+[ ! -e "${mysleep_fifo}" ] && mysleep="sleep"
 
 mysleep_read() {
     read -t "${1}" <>"${mysleep_fifo}"