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net: wrong sample code in package document #8607

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gopherbot opened this issue Aug 28, 2014 · 4 comments

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commented Aug 28, 2014

by xiezhenye:

sample of net.Conn.Accept:

ln, err := net.Listen("tcp", ":8080")
if err != nil {
    // handle error
}
for {
    conn, err := ln.Accept()
    if err != nil {
        // handle error
        continue
    }
    go handleConnection(conn)
}

When err that Accept returns is not nil, it must not continue the loop.
recoverable err like syscall.EAGAIN, syscall.ECONNABORTED has been handler in Accept,
and all the err that returned is not recoverable. continue the loop will cause dead loop.

the sample should be:

ln, err := net.Listen("tcp", ":8080")
if err != nil {
    // handle error
}
for {
    conn, err := ln.Accept()
    if err != nil {
        // handle error
        break
    }
    go handleConnection(conn)
}
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commented Sep 4, 2014

Comment 1:

Mr. Fitzpatrick wrote it, so leave it to him.

Owner changed to @bradfitz.

@bradfitz

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commented Sep 29, 2014

Comment 2:

https://golang.org/cl/146470043

Labels changed: added release-go1.4, repo-main, documentation.

Status changed to Started.

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commented Sep 29, 2014

Comment 3:

CL https://golang.org/cl/146470043 mentions this issue.
@bradfitz

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commented Sep 29, 2014

Comment 4:

This issue was closed by revision dca4605.

Status changed to Fixed.

@rsc rsc added this to the Go1.4 milestone Apr 14, 2015

@rsc rsc removed the release-go1.4 label Apr 14, 2015

@golang golang locked and limited conversation to collaborators Jun 25, 2016

wheatman added a commit to wheatman/go-akaros that referenced this issue Jun 25, 2018

wheatman added a commit to wheatman/go-akaros that referenced this issue Jun 26, 2018

wheatman added a commit to wheatman/go-akaros that referenced this issue Jul 9, 2018

wheatman added a commit to wheatman/go-akaros that referenced this issue Jul 30, 2018

This issue was closed.

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