tree 444ceb3dcd0ce11ddb23f391b9ff7308bfe995c8
parent 7ee3281c3e158b97d172ac9ea8f90d61bfa8ff43
author Chaoyi Bian <tlyzbcy@gmail.com> 1331357138 -0800
committer Chaoyi Bian <tlyzbcy@gmail.com> 1331357138 -0800

initialize a new thread to wait instead of directly sleep