| #!/bin/bash |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| |
| 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 |
| |
| read end |
| pkill test_task |
