Date: Fri, 14 Mar 1997 09:59:06 +0100 From: j@uriah.heep.sax.de (J Wunsch) To: jehamby@lightside.com (Jake Hamby) Cc: hackers@freebsd.org Subject: Re: My pipe is getting muddled?! Message-ID: <19970314095906.UD59927@uriah.heep.sax.de> In-Reply-To: <199703140630.WAA01171@hamby1>; from Jake Hamby on Mar 13, 1997 22:30:27 -0800 References: <199703140630.WAA01171@hamby1>
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As Jake Hamby wrote: > The thing is, I've been trying to figure out (using truss), how > Solaris manages to do a very similar thing in the X server with > FIFO's, and I can't for the life of me figure out what crazy STREAMS > nonsense they're using. The nearest I can tell, there is some sort > of multiplexor in there, because when a new client connects, the > server does an ioctl(fd, I_RECVFD, &buf), and pulls a new file > descriptor out of the stream, and communicates with the client on > that. Isn't this what the STREAMS people call cloning? (I have no clues about STREAMS, but i'm sure Terry will respond with a message not below 200 lines very quickly. :-) > Any light you can shed on this will be appreciated. In the > meantime, I'm going to start exploring UNIX-domain sockets, because > they have the behavior I want. But I vaguely remember hearing that > the Solaris method is faster (well, at least for Solaris :). I think local domain sockets are your best bet. Their handling is supposedly not much different from PF_INET sockets. I think they don't support OOB messages, but that's probably not what you're looking for anyway. Btw., somebody should symlink unix(4) to local(4). -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)
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