#!/bin/bash # Copyright 2012 Citrix Systems, Inc. Licensed under the # Apache License, Version 2.0 (the "License"); you may not use this # file except in compliance with the License. Citrix Systems, Inc. # reserves all rights not expressly granted by 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. # # Automatically generated by addcopyright.py at 04/03/2012 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