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# The sleep process is frozen. We then thaw the process before it exits. 24# We expect the process to still be alive as we cleanup the test. 25# 26 27. "${CGROUPS_TESTROOT}/libcgroup_freezer" 28SETS_DEFAULTS="${TCID=freeze_thaw.sh} ${TST_COUNT=1} ${TST_TOTAL=1}" 29declare -r TCID 30declare -r TST_COUNT 31declare -r TST_TOTAL 32export TCID TST_COUNT TST_TOTAL 33 34running_cgroup_test 35mount_freezer && { 36make_sample_cgroup && { 37start_sample_proc && { 38 39while /bin/true ; do 40 trap 'break' ERR 41 assert_cgroup_freezer_state "THAWED" \ 42 "ERROR: cgroup freezer started in non-THAWED state" 43 add_sample_proc_to_cgroup 44 issue_freeze_cmd 45 wait_until_frozen 46 assert_sample_proc_is_frozen 47 48 issue_thaw_cmd 49 wait_until_thawed 50 assert_sample_proc_not_frozen 51 52 result=$FINISHED 53 break 54done 55trap '' ERR 56cleanup_cgroup_test 57tst_resm TINFO " Cleaning up $0" 58 59# We need to kill the sample process. 60kill_sample_proc ; } 61rm_sample_cgroup ; } 62umount_freezer ; } 63 64# Failsafe cleanup 65cleanup_freezer || /bin/true 66 67exit $result 68