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Date:      Sat, 18 Dec 1999 15:43:58 -0800
From:      "Ronald F. Guilmette" <rfg@monkeys.com>
To:        hackers@FreeBSD.ORG
Subject:   Re: Practical limit for number of TCP connections? 
Message-ID:  <43945.945560638@monkeys.com>
In-Reply-To: Your message of Sat, 18 Dec 1999 15:28:33 -0800. <Pine.BSF.4.21.9912181523530.12109-100000@fw.wintelcom.net> 

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In message <Pine.BSF.4.21.9912181523530.12109-100000@fw.wintelcom.net>,
Alfred Perlstein <bright@wintelcom.net> wrote:

>On Sat, 18 Dec 1999, Kevin Day wrote:
>
>> > The _clean_ way of doing it would be to write your multi-user server using
>> > threads, and to assign one thread to each connection.  If you can do that,
>> > then the logic in the program becomes quite simple.  Each thread just sits
>> > there, blocked on a call to read(), until something comes in, and then it
>> > just parses the command, does whatever it is supposed to do in response to
>> > that command, and then goes back to the read() again.
>> > 
>> > But as I understand it, there is not yet sufficient threads support in the
>> > FreeBSD kernel to make this work well/properly.  (I may perhaps be misinfo
>rmed
>> > about that, but that's what I have been told anyway.)
>> 
>> I believe this is how ConferenceRoom works, so it seems ok, but I remember
>> the comments that FreeBSD was their least preferred platform because of
>> thread problems.
>
>Using a thread per connection has always been a bogus way of programming,
>it's easy, but it doesn't work very well.


OK, even if nobody else does, I'll bite.

Why not?


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