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August 2016

Unix domain (IPC) sockets implementation
by Marcin Moskal 18 Aug '16

18 Aug '16

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/… [4] https://mailman.common-lisp.net/pipermail/usocket-devel/2008-August/000198.… [5] https://mailman.common-lisp.net/pipermail/usocket-devel/2009-February/00025… [6] https://github.com/usocket/usocket/compare/master...tmccombs:unix-sockets -- Regards, Marcin Moskal

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