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 # Freeze the cgroup and then make sure that writing "FREEZING" into 23 # freezer.state reports an error (EIO) and doesn't change the freezer's state 24 # (which was "FROZEN"). 25 # 26 27 . "${CGROUPS_TESTROOT}/libcgroup_freezer" 28 SETS_DEFAULTS="${TCID=freeze_write_freezing.sh} ${TST_COUNT=1} ${TST_TOTAL=1}" 29 declare -r TCID 30 declare -r TST_COUNT 31 declare -r TST_TOTAL 32 export TCID TST_COUNT TST_TOTAL 33 34 running_cgroup_test 35 mount_freezer && { 36 make_sample_cgroup && { 37 38 while /bin/true ; do 39 trap 'break' ERR 40 assert_cgroup_freezer_state "THAWED" \ 41 "ERROR: cgroup freezer started in non-THAWED state" 42 issue_freeze_cmd 43 wait_until_frozen 44 "${CG_FILE_WRITE}" "FREEZING" > freezer.state 2>&1 | \ 45 grep -E 'Input/output error$' 46 assert_cgroup_freezer_state "FROZEN" "ERROR: writing FREEZING to freezer.state should not change freezer state from FROZEN (expected IO error)" 47 result=$FINISHED 48 break 49 done 50 trap '' ERR 51 cleanup_cgroup_test 52 tst_resm TINFO " Cleaning up $0" 53 54 rm_sample_cgroup ; } 55 umount_freezer ; } 56 57 # Failsafe cleanup 58 cleanup_freezer || /bin/true 59 60 exit $result 61
