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- #!/bin/bash
- # Copyright (c) International Business Machines Corp., 2008
- # Author: Matt Helsley <matthltc@us.ibm.com>
- #
- # 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
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