Bug if i set write deadline, that means i hold two timers. it`s stranged

在 2017年2月9日星期四 UTC+8下午5:52:32,Jakob Borg写道:
>
> Yeah, for Close() on TLS connections you want to set a write deadline 
> before calling Close(). 
>
> //jb 
>
> > On 9 Feb 2017, at 10:28, liudi...@gmail.com <javascript:> wrote: 
> > 
> > OH sorry. it seems has some wrong in my demo code. it should import 
> "crypto/tls". So Close() is in crypto/tls/conn.go. 
> > And i found it blocked in "c.handshakeMutex.Lock()".  I suspect that 
> someone goroutine blocked in "c.sendAlert(alertCloseNotify)", case it`s an 
> network IO, and i didn`t setDeadLine(). 
> > But i want to hold the Close() by self timer, than is it a wrong usage? 
> > 
> > 在 2017年2月8日星期三 UTC+8下午9:29:13,liudi...@gmail.com写道: 
> > go version: 1.7.4 
> > OS: debian 
> > code like:  https://play.golang.org/p/DMIrSr2PLg 
> > 
> > this project just like IM, there are both goroutine for each client 
> connection, one to Read, another to Write. 
> > recently i found conn.Close() (line 9) occasional block while high 
> concurrency, then there are a large of ESTABLISHED status connections, and 
> they won`t closed forever. Unless i restart the program 
> > So In what case will it block? 
> > 
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