Unix domain (IPC) sockets implementation

[Chun Tian (binghe)]

Hi Marcin,

The main problem is that, no user is asking for this feature and really rare users need it.   (P. S. CLX or CLIM could have such needs, because X11 can be communicated through Unix domain sockets)

Besides those links that you gave, before 2010, I myself have also made a LispWorks version of Unix domain socket support as part of my old project “LispWorks-UDP”:

https://sourceforge.net/p/cl-net-snmp/code/HEAD/tree/lispworks-udp/trunk/unix.lisp

So ... if you want to help, using all current available code plus your own, that will be mostly welcome :)

Regards,

Chun Tian (binghe)

> Il giorno 16/ago/2016, alle ore 21:02, Marcin Moskal <mmos at student.agh.edu.pl> ha scritto:
> 
> As far as I know usocket does not provide implementation of Unix
> domain sockets, nonetheless SBCL[1], CCL[2] and ECL[3] (and maybe
> other) implement them. After doing some research I see that feature in
> usocket is desired (see: usocket-devel question[4], another
> usocket-devel question[5]), even partially implemented[6] by @tmccombs.
> 
> I would like to try to implement this feature without breaking the
> current API. It could be done by assuming that the ``host'' parameter in
> socket-connect function takes pathname -- indicating we mean the *Unix*
> kind of socket. In this particular case we will ignore the ``port''
> portion(or signal condition when it is not ``nil'').
> 
> I am looking for comments and advice.
> 
> [1] http://www.sbcl.org/manual/#Local-_0028Unix_0029-Domain-Sockets
> [2] http://ccl.clozure.com/manual/chapter8.1.html
> [3] https://gitlab.com/embeddable-common-lisp/ecl/blob/develop/contrib/sockets/sockets.lisp#L865
> [4] https://mailman.common-lisp.net/pipermail/usocket-devel/2008-August/000198.html
> [5] https://mailman.common-lisp.net/pipermail/usocket-devel/2009-February/000251.html
> [6] https://github.com/usocket/usocket/compare/master...tmccombs:unix-sockets
> 
> --
> Regards,
> Marcin Moskal
> 
> 

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