tree cc625a0efd30abab06167b5d003bf6a4a18b3070
parent fd7bab3cdf2650168e9eca625fd5311ffc7b1f5a
author Huxing Zhang <huxing.zhang@gmail.com> 1527754040 +0800
committer ken.lj <ken.lj.hz@gmail.com> 1527754040 +0800

Merge pull request #1820, improve graceful shutdown.