1f08c3bdfSopenharmony_ci#!/bin/bash 2f08c3bdfSopenharmony_ci 3f08c3bdfSopenharmony_ci# Copyright (c) International Business Machines Corp., 2008 4f08c3bdfSopenharmony_ci# Author: Matt Helsley <matthltc@us.ibm.com> 5f08c3bdfSopenharmony_ci# 6f08c3bdfSopenharmony_ci# This library is free software; you can redistribute it and/or 7f08c3bdfSopenharmony_ci# modify it under the terms of the GNU Lesser General Public 8f08c3bdfSopenharmony_ci# License as published by the Free Software Foundation; either 9f08c3bdfSopenharmony_ci# version 2.1 of the License, or (at your option) any later version. 10f08c3bdfSopenharmony_ci# 11f08c3bdfSopenharmony_ci# This library is distributed in the hope that it will be useful, 12f08c3bdfSopenharmony_ci# but WITHOUT ANY WARRANTY; without even the implied warranty of 13f08c3bdfSopenharmony_ci# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14f08c3bdfSopenharmony_ci# Lesser General Public License for more details. 15f08c3bdfSopenharmony_ci# 16f08c3bdfSopenharmony_ci# You should have received a copy of the GNU Lesser General Public 17f08c3bdfSopenharmony_ci# License along with this library; if not, write to the Free Software 18f08c3bdfSopenharmony_ci# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19f08c3bdfSopenharmony_ci# 20f08c3bdfSopenharmony_ci 21f08c3bdfSopenharmony_ci# 22f08c3bdfSopenharmony_ci# This bash script tests freezer code by starting a long sleep process. 23f08c3bdfSopenharmony_ci# The sleep process is frozen. We then wait until the sleep process should 24f08c3bdfSopenharmony_ci# have exited. Then we unfreeze the sleep process. We expect the 25f08c3bdfSopenharmony_ci# sleep process to wakeup almost immediately after the cgroup is thawed, 26f08c3bdfSopenharmony_ci# recognize that its expiration time has long since passed, and exit before 27f08c3bdfSopenharmony_ci# we get a chance to "see" it again. 28f08c3bdfSopenharmony_ci# 29f08c3bdfSopenharmony_ci 30f08c3bdfSopenharmony_ci. "${CGROUPS_TESTROOT}/libcgroup_freezer" 31f08c3bdfSopenharmony_ciSETS_DEFAULTS="${TCID=freeze_sleep_thaw.sh} ${TST_COUNT=1} ${TST_TOTAL=1}" 32f08c3bdfSopenharmony_cideclare -r TCID 33f08c3bdfSopenharmony_cideclare -r TST_COUNT 34f08c3bdfSopenharmony_cideclare -r TST_TOTAL 35f08c3bdfSopenharmony_ciexport TCID TST_COUNT TST_TOTAL 36f08c3bdfSopenharmony_ci 37f08c3bdfSopenharmony_cirunning_cgroup_test 38f08c3bdfSopenharmony_cimount_freezer && { 39f08c3bdfSopenharmony_cimake_sample_cgroup && { 40f08c3bdfSopenharmony_cistart_sample_proc && { 41f08c3bdfSopenharmony_ci 42f08c3bdfSopenharmony_ciwhile /bin/true ; do 43f08c3bdfSopenharmony_ci trap 'break' ERR 44f08c3bdfSopenharmony_ci add_sample_proc_to_cgroup 45f08c3bdfSopenharmony_ci assert_cgroup_freezer_state "THAWED" \ 46f08c3bdfSopenharmony_ci "ERROR: cgroup freezer started in non-THAWED state" 47f08c3bdfSopenharmony_ci issue_freeze_cmd 48f08c3bdfSopenharmony_ci wait_until_frozen 49f08c3bdfSopenharmony_ci assert_sample_proc_is_frozen 50f08c3bdfSopenharmony_ci 51f08c3bdfSopenharmony_ci echo -n "INFO: Waiting until sleep command should have finished ($sample_proc) ... " 52f08c3bdfSopenharmony_ci /bin/sleep $(($sample_sleep * 2)) 53f08c3bdfSopenharmony_ci echo "done." 54f08c3bdfSopenharmony_ci 55f08c3bdfSopenharmony_ci # We expect the task to remain until it is thawed even though its 56f08c3bdfSopenharmony_ci # sleep period has long since expired. 57f08c3bdfSopenharmony_ci assert_sample_proc_is_frozen 58f08c3bdfSopenharmony_ci 59f08c3bdfSopenharmony_ci issue_thaw_cmd 60f08c3bdfSopenharmony_ci wait_until_thawed 61f08c3bdfSopenharmony_ci 62f08c3bdfSopenharmony_ci # We do NOT call 63f08c3bdfSopenharmony_ci # assert_task_not_frozen $sample_proc 64f08c3bdfSopenharmony_ci # here because we've slept past the point in time when the task should've 65f08c3bdfSopenharmony_ci # exited. 66f08c3bdfSopenharmony_ci assert_sample_proc_does_not_exist 67f08c3bdfSopenharmony_ci 68f08c3bdfSopenharmony_ci sample_proc="" 69f08c3bdfSopenharmony_ci result=$FINISHED 70f08c3bdfSopenharmony_ci break 71f08c3bdfSopenharmony_cidone 72f08c3bdfSopenharmony_citrap '' ERR 73f08c3bdfSopenharmony_cicleanup_cgroup_test 74f08c3bdfSopenharmony_citst_resm TINFO " Cleaning up $0" 75f08c3bdfSopenharmony_ci 76f08c3bdfSopenharmony_ci# We may need to stop the sample process because we could have failed before the 77f08c3bdfSopenharmony_ci# rest of the test caused it to stop. 78f08c3bdfSopenharmony_cikill_sample_proc ; } 79f08c3bdfSopenharmony_cirm_sample_cgroup ; } 80f08c3bdfSopenharmony_ciumount_freezer ; } 81f08c3bdfSopenharmony_ci 82f08c3bdfSopenharmony_ci# Failsafe cleanup 83f08c3bdfSopenharmony_cicleanup_freezer || /bin/true 84f08c3bdfSopenharmony_ci 85f08c3bdfSopenharmony_ciexit $result 86