freeze_cancel.sh revision 5d8dc705df73c6e4056d8a05f98caa58096a3fe0 
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