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Re: is SO_KEEPALIVE broken?

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The following message is a courtesy copy of an article
that has been posted to comp.os.linux.networking as well.


Johann> Hello, I have two programs, which communicate via a TCP
Johann> socket. one client which sends one-byte commands and a server
Johann> which interprets them. The server uses read() to get those
Johann> bytes.

Johann> The manual page for recv says:

>> The return value will be 0 when the peer has performed an orderly
>> shutdown.

Johann> (allegedly recv and read behave roughly the same)

Shouldn't both just block until there's something to read?  Or do you
turn on nonblocking mode?

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Ian Zimmerman
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Thread

is SO_KEEPALIVE broken? Johann Klammer <klammerj@NOSPAM.a1.net> - 2012-10-06 07:18 +0200
  Re: is SO_KEEPALIVE broken? telsar <noone@nowhere.com> - 2012-10-06 13:59 -0500
    Re: is SO_KEEPALIVE broken? Johann Klammer <klammerj@NOSPAM.a1.net> - 2012-10-07 00:12 +0200
      Re: is SO_KEEPALIVE broken? Richard Kettlewell <rjk@greenend.org.uk> - 2012-10-07 11:52 +0100
        Re: is SO_KEEPALIVE broken? Johann Klammer <klammerj@NOSPAM.a1.net> - 2012-10-08 05:09 +0200
  Re: is SO_KEEPALIVE broken? Ian Zimmerman <itz@buug.org> - 2012-10-14 12:52 -0700
    Re: is SO_KEEPALIVE broken? Johann Klammer <klammerj@NOSPAM.a1.net> - 2012-10-18 14:17 +0200

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