Qian Wang 239647c5b2 Fix a race, some cleanup		2018-11-24 00:55:26 +00:00
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ck-client	Fix a race, some cleanup	2018-11-24 00:55:26 +00:00
ck-server	Use sync.Once to close die ch	2018-11-23 23:57:35 +00:00