| #!/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 |