chenshuo/muduo — pull request #82 by weizili (2014-09-15 13:56:17+00:00)
Title: Fix coredump problem described at pull request #80.

Add EventLoop::looping() for querying the state of EventLoop.
Modify the EventLoopThread::startLoop() return value to EventLoop*&
After the tow code adjusting, we can fix the coredump of #80 gracefully.