[erlang-questions] gen_tcp question

Joe Armstrong (TN/EAB) <>
Mon Sep 18 09:54:37 CEST 2006

Hi Sean,

Your assumption is correct - I did read the manual first
and Jani answered a question that I had not asked.

My origonal example opened the socket in active mode,
and I'm not using gen_tcp:recv to receive data at all
so the behaviour of recv is irrelevant.

>From what's been said here, it seems I should be setting
active=false and using recv, rather than doing things the way I was

Why all the questions:? I'm writing THE book (at last) this
means you'll just have to put up with loads of very detailed
questions. This is because when I say in the book

   " so and so works like this ..."

I want it to be correct



> -----Original Message-----
> From:  
> [mailto:] On Behalf Of Sean Hinde
> Sent: den 14 september 2006 15:46
> To: Erlang Questions
> Subject: Re: [erlang-questions] gen_tcp question
> On 14 Sep 2006, at 14:32, Jani Hakala wrote:
> > "Joe Armstrong (TN/EAB)" <> writes:
> >
> >> The behaviour appears not to be documented
> >>
> > Meaning of {packet,N} is explained in man inet, inet:setopts The 
> > behaviour of gen_tcp:recv is explained in man gen_tcp
> Well observed!
> My assumption (there we go again) was that Joe must have read 
> the documentation in order to have discover the existence of 
> {packet, N}, but found it lacking. Reading the page more 
> carefully now it is clear that it does specify the behaviour.
> Where you perchance peeking under the hood to discover this 
> option Joe ? :-)
> Sean
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