1f08c3bdfSopenharmony_ci#!/bin/bash 2f08c3bdfSopenharmony_ci 3f08c3bdfSopenharmony_ci# Copyright (c) International Business Machines Corp., 2009 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 thaw the process before it exits. 24f08c3bdfSopenharmony_ci# We expect the process to still be alive as we cleanup the test. 25f08c3bdfSopenharmony_ci# 26f08c3bdfSopenharmony_ci 27f08c3bdfSopenharmony_ciSETS_DEFAULTS="${CGROUPS_TESTROOT=..} ${TCID=fork_freeze.sh} ${TST_COUNT=1} ${TST_TOTAL=1}" 28f08c3bdfSopenharmony_ci. "${CGROUPS_TESTROOT}/libcgroup_freezer" 29f08c3bdfSopenharmony_ci. "${CGROUPS_TESTROOT}/libltp" 30f08c3bdfSopenharmony_cideclare -r TCID 31f08c3bdfSopenharmony_cideclare -r TST_COUNT 32f08c3bdfSopenharmony_cideclare -r TST_TOTAL 33f08c3bdfSopenharmony_ciexport TCID TST_COUNT TST_TOTAL 34f08c3bdfSopenharmony_ci 35f08c3bdfSopenharmony_cirunning_cgroup_test 36f08c3bdfSopenharmony_cimount_freezer && { 37f08c3bdfSopenharmony_cimake_sample_cgroup && { 38f08c3bdfSopenharmony_cistart_sample_proc "${CGROUPS_TESTROOT}/timed_forkbomb" 4 && { 39f08c3bdfSopenharmony_ci 40f08c3bdfSopenharmony_ciwhile /bin/true ; do 41f08c3bdfSopenharmony_ci trap 'break' ERR 42f08c3bdfSopenharmony_ci assert_cgroup_freezer_state "THAWED" \ 43f08c3bdfSopenharmony_ci "ERROR: cgroup freezer started in non-THAWED state" 44f08c3bdfSopenharmony_ci add_sample_proc_to_cgroup 45f08c3bdfSopenharmony_ci echo "go" >> /proc/$sample_proc/fd/0 46f08c3bdfSopenharmony_ci sleep "0.5s" 47f08c3bdfSopenharmony_ci issue_freeze_cmd 48f08c3bdfSopenharmony_ci wait_until_frozen 49f08c3bdfSopenharmony_ci assert_sample_proc_is_frozen 50f08c3bdfSopenharmony_ci 51f08c3bdfSopenharmony_ci issue_thaw_cmd 52f08c3bdfSopenharmony_ci wait_until_thawed 53f08c3bdfSopenharmony_ci assert_sample_proc_not_frozen 54f08c3bdfSopenharmony_ci 55f08c3bdfSopenharmony_ci sleep 4 56f08c3bdfSopenharmony_ci 57f08c3bdfSopenharmony_ci result=$FINISHED 58f08c3bdfSopenharmony_ci break 59f08c3bdfSopenharmony_cidone 60f08c3bdfSopenharmony_citrap '' ERR 61f08c3bdfSopenharmony_cicleanup_cgroup_test 62f08c3bdfSopenharmony_citst_resm TINFO " Cleaning up $0" 63f08c3bdfSopenharmony_ci 64f08c3bdfSopenharmony_ci# We need to kill the sample process. 65f08c3bdfSopenharmony_cikill_sample_proc ; } 66f08c3bdfSopenharmony_cirm_sample_cgroup ; } 67f08c3bdfSopenharmony_ciumount_freezer ; } 68f08c3bdfSopenharmony_ci 69f08c3bdfSopenharmony_ci# Failsafe cleanup 70f08c3bdfSopenharmony_cicleanup_freezer || /bin/true 71f08c3bdfSopenharmony_ci 72f08c3bdfSopenharmony_ciexit $result 73