| #!/bin/bash |
| # Copyright (C) 2011 Citrix Systems, Inc. All rights reserved |
| # |
| # This software is licensed under the GNU General Public License v3 or later. |
| # |
| # It is free software: you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation, either version 3 of the License, or any later version. |
| # This program 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 General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| # |
| |
| rm /tmp/biglock* |
| echo |
| |
| #Test task A would acquire one lock again and again in little interval |
| ./test_task.sh A 0.3 & |
| |
| sleep 1 |
| #At the same time, task B would try to acquire the lock as well. |
| ./test_task.sh B 0.5 & |
| |
| #For the original version, task B would essiental fail, because task A do it |
| # quicker and task B, so task B may not have time to execute. But for new |
| # version, since it's ordered by time, then nobody should fail. |
| |
| read end |
| pkill test_task |