How many sockets can I get from accept()?

[Sergei Organov]

Eric,

You are right, it was CONFIGURE_LIBIO_MAXIMUM_FILE_DESCRIPTORS and as usual
I've found it myself a few minutes after I've posted the question :-)

Thank you anyway for your quick response.

BR,
Sergei.

Eric Norum <eric.norum at usask.ca> writes:
> Sergei Organov wrote:
> > 
> > Hello,
> > 
> > In my application 6'th invocation of accept() on a socket starts to just
> > return -1 after 5 connections have been already accepted and not yet
> > closed. As soon as I close one of previously accepted connections, accept()
> > returns to its normal operation. Is 5 connections an arbitrary limit and if
> > so, where it is defined?
> > 
> > BR,
> > Sergei.
> 
> Did you check the value of errno after the failing calls?  My guess is
> that you're hitting the limit of maximum open file descriptors.  This is
> a simple confdefs.h parameter:
> 
> #define CONFIGURE_LIBIO_MAXIMUM_FILE_DESCRIPTORS 50
> 
> You could perhaps be running out of mbufs, too.   Check the errno -- it
> should help you find the problem.
> 
> -- 
> Eric Norum                                 eric.norum at usask.ca
> Department of Electrical Engineering       Phone: (306) 966-5394
> University of Saskatchewan                 FAX:   (306) 966-5407
> Saskatoon, Canada.