#!/bin/bash # Copyright (c) International Business Machines Corp., 2008 # Author: Matt Helsley # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # # # Freeze the cgroup and then make sure that writing "FREEZING" into # freezer.state reports an error (EIO) and doesn't change the freezer's state # (which was "FROZEN"). # . "${CGROUPS_TESTROOT}/libcgroup_freezer" SETS_DEFAULTS="${TCID=freeze_write_freezing.sh} ${TST_COUNT=1} ${TST_TOTAL=1}" declare -r TCID declare -r TST_COUNT declare -r TST_TOTAL export TCID TST_COUNT TST_TOTAL running_cgroup_test mount_freezer && { make_sample_cgroup && { while /bin/true ; do trap 'break' ERR assert_cgroup_freezer_state "THAWED" \ "ERROR: cgroup freezer started in non-THAWED state" issue_freeze_cmd wait_until_frozen "${CG_FILE_WRITE}" "FREEZING" > freezer.state 2>&1 | \ grep -E 'Input/output error$' assert_cgroup_freezer_state "FROZEN" "ERROR: writing FREEZING to freezer.state should not change freezer state from FROZEN (expected IO error)" result=$FINISHED break done trap '' ERR cleanup_cgroup_test tst_resm TINFO " Cleaning up $0" rm_sample_cgroup ; } umount_freezer ; } # Failsafe cleanup cleanup_freezer || /bin/true exit $result