1#!/bin/bash 2 3# Copyright (c) International Business Machines Corp., 2008 4# Author: Matt Helsley <matthltc@us.ibm.com> 5# 6# This library is free software; you can redistribute it and/or 7# modify it under the terms of the GNU Lesser General Public 8# License as published by the Free Software Foundation; either 9# version 2.1 of the License, or (at your option) any later version. 10# 11# This library is distributed in the hope that it will be useful, 12# but WITHOUT ANY WARRANTY; without even the implied warranty of 13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14# Lesser General Public License for more details. 15# 16# You should have received a copy of the GNU Lesser General Public 17# License along with this library; if not, write to the Free Software 18# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19# 20 21# 22# This bash script tests freezer code by starting a long sleep process. 23# We initially try to freeze the cgroup but then try to cancel that. 24# After we cancel the sleep process should eventually reach the thawed state. 25# We expect the process to still be alive as we cleanup the test. 26# 27 28. "${CGROUPS_TESTROOT}/libcgroup_freezer" 29SETS_DEFAULTS="${TCID=freeze_cancel.sh} ${TST_COUNT=1} ${TST_TOTAL=1}" 30declare -r TCID 31declare -r TST_COUNT 32declare -r TST_TOTAL 33export TCID TST_COUNT TST_TOTAL 34 35running_cgroup_test 36mount_freezer && { 37make_sample_cgroup && { 38start_sample_proc && { 39 40while /bin/true ; do 41 trap 'break' ERR 42 assert_cgroup_freezer_state "THAWED" \ 43 "ERROR: cgroup freezer started in non-THAWED state" 44 add_sample_proc_to_cgroup 45 issue_freeze_cmd 46 wait_until_freezing 47 issue_thaw_cmd 48 wait_until_thawed 49 assert_sample_proc_not_frozen 50 result=$FINISHED 51 break 52done 53trap '' ERR 54cleanup_cgroup_test 55tst_resm TINFO " Cleaning up $0" 56 57# We need to kill the sample process. 58kill_sample_proc ; } 59rm_sample_cgroup ; } 60umount_freezer ; } 61 62# Failsafe cleanup 63cleanup_freezer || /bin/true 64 65exit $result 66