return 1
fi
while ! mkdir "$lock" 2>&-; do
block="$(cat "$lock/pid" || printf 1)"
if ! { ps -eo pid |grep -qwF "$block"; }; then
return 1
fi
while ! mkdir "$lock" 2>&-; do
block="$(cat "$lock/pid" || printf 1)"
if ! { ps -eo pid |grep -qwF "$block"; }; then