mkdir_p: check for null not \0, and fail if enomem

[mirror_lxcfs.git] / tests / test_cgroup

#!/bin/sh -eux

PASS=0

cleanup() {
    [ "$PASS" = "1" ] || (echo FAIL && exit 1)
}

LXCFSDIR=${LXCFSDIR:-/var/lib/lxcfs}

trap cleanup EXIT HUP INT TERM

if ! mountpoint -q ${LXCFSDIR}; then
    echo "lxcfs isn't mounted on ${LXCFSDIR}"
    exit 1
fi

# Initial cleanup
cgm remove freezer lxcfs_test_cgroup/sub >/dev/null 2>&1 || true
cgm remove all lxcfs_test_cgroup >/dev/null 2>&1 || true

# Check that the fs is readable
find ${LXCFSDIR}/cgroup/ >/dev/null

# Do some fs checks
cgm create all lxcfs_test_cgroup
cgm removeonempty all lxcfs_test_cgroup
cgm movepid all lxcfs_test_cgroup $$

CGPATH=$(cgm getpidcgroupabs freezer $$)

echo $((1024*1024)) > \
    ${LXCFSDIR}/cgroup/memory/$CGPATH/memory.limit_in_bytes
echo 0 > \
    ${LXCFSDIR}/cgroup/cpuset/$CGPATH/cpuset.cpus

[ "$(cgm getvalue memory $CGPATH memory.limit_in_bytes)" = "$((1024*1024))" ]
[ "$(cgm getvalue cpuset $CGPATH cpuset.cpus)" = "0" ]

mkdir ${LXCFSDIR}/cgroup/freezer/$CGPATH/sub
echo $$ > ${LXCFSDIR}/cgroup/freezer/$CGPATH/sub/tasks

[ "$(cgm getpidcgroupabs freezer $$)" = "$CGPATH/sub" ]

PASS=1
echo PASS