1 #!/bin/bash 2 3 # Copyright (c) International Business Machines Corp., 2008 4 # Author: Matt Helsley <matthltc (at] 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 . "${CGROUPS_TESTROOT}/libcgroup_freezer" 28 SETS_DEFAULTS="${TCID=freeze_thaw.sh} ${TST_COUNT=1} ${TST_TOTAL=1}" 29 declare -r TCID 30 declare -r TST_COUNT 31 declare -r TST_TOTAL 32 export TCID TST_COUNT TST_TOTAL 33 34 running_cgroup_test 35 mount_freezer && { 36 make_sample_cgroup && { 37 start_sample_proc && { 38 39 while /bin/true ; do 40 trap 'break' ERR 41 assert_cgroup_freezer_state "THAWED" \ 42 "ERROR: cgroup freezer started in non-THAWED state" 43 add_sample_proc_to_cgroup 44 issue_freeze_cmd 45 wait_until_frozen 46 assert_sample_proc_is_frozen 47 48 issue_thaw_cmd 49 wait_until_thawed 50 assert_sample_proc_not_frozen 51 52 result=$FINISHED 53 break 54 done 55 trap '' ERR 56 cleanup_cgroup_test 57 tst_resm TINFO " Cleaning up $0" 58 59 # We need to kill the sample process. 60 kill_sample_proc ; } 61 rm_sample_cgroup ; } 62 umount_freezer ; } 63 64 # Failsafe cleanup 65 cleanup_freezer || /bin/true 66 67 exit $result 68