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Re: Xquartz on 10.6.8 Server (problem)
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Re: Xquartz on 10.6.8 Server (problem)

  • Subject: Re: Xquartz on 10.6.8 Server (problem)
  • From: Brandon Allbery <email@hidden>
  • Date: Mon, 13 Apr 2015 15:25:12 -0400
On Mon, Apr 13, 2015 at 3:09 PM, JF Mezei <email@hidden> wrote:
But launchd is only invoked when I login and it runs the LaunchAgent
org.macosforge.xquartz.startx.plist , correct ?

The plist would hacve launchd do:

Not immediately, because of the ServiceIPC key. Instead, launchd creates the socket in /tmp and listens on it; when something connects to it, it runs the command, waits for it to report back its real socket (via Mach IPC ports, I think; hence the wrapper, since neither the X server nor startx nor xinit speak Mach ports), and then I think just relays data (there may be another mechanism to link them directly).

Note that the file in /tmp is not an actual file but an AF_UNIX socket. "cat" should just fail on it; open() shouldn't be defined for sockets, only connect() and bind().

When I start the XQuartz.app manually, does it do the same "stub" job as

It runs a specific command which defaults to xterm; when xterm attempts to connect to the /tmp socket, it triggers the above processing.

the printing add-on "foomatic" which uses Ghostscript to generate raster
files to send to various printers (like dot matrix) expects files to be
in /usr/X11 which no longer exists, since you moved everything to
/opt/X11.  Adding a soft link from /usr/X11 to /opt/X11 solved the problem.

I thought installing the XQuartz package created those symlinks (and replaced the Apple stubs).

--
brandon s allbery kf8nh                               sine nomine associates
email@hidden                                  email@hidden
unix, openafs, kerberos, infrastructure, xmonad        http://sinenomine.net
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References: 
 >Xquartz on 10.6.8 Server (problem) (From: JF Mezei <email@hidden>)
 >Re: Xquartz on 10.6.8 Server (problem) (From: Jeremy Huddleston Sequoia <email@hidden>)
 >Re: Xquartz on 10.6.8 Server (problem) (From: JF Mezei <email@hidden>)

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