XMX man page on DragonFly

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XMX(LOCAL)							    XMX(LOCAL)

NAME
       xmx  - an X protocol multiplexor

SYNOPSIS
       xmx [:displaynum] [-option ...] [display ...]

DESCRIPTION
       Xmx  is	an  X  protocol	 multiplexor.  It connects to some number of X
       servers as a client, then accepts connections, as an X  server  itself,
       from some number of X clients.  It passes packets unaltered between the
       clients and one controlling server.  As it is doing  this,  it  filters
       and modifies the requests and passes them along to some number of slave
       servers.

       The effect is of an X session controlled by one server broadcast to the
       other  servers.	 The windows controlled by xmx on the slave servers do
       not accept input, they are a visual echo of the controlling process.

OPTIONS
       :displaynum
	       Specifies the display number for which to be an X server.  This
	       number  need not correspond to a real display - in fact it must
	       not if a real X server is running on the same machine.

       -display display
	       Specifies the name of the master X server to  connect  to.   If
	       this  option  is	 not  specified,  the value of the environment
	       variable DISPLAY is used.  If DISPLAY is	 not  set,  the	 first
	       slave server listed becomes the master.

       -f filename
	       Specifies  a file which contains a whitespace-separated list of
	       display names to use as slave servers.

       -p      Echo pointer motion of master server to slaves.

       -i      Run in interactive mode.	 Commands are read from stdin.

       -S      Run in slave only mode.	No controlling	X  server  display  is
	       opened.	 This option should only be used to run an xmx process
	       whose only client will be another xmx process.  No  interaction
	       is  possible  unless the topmost xmx has a master X server con‐
	       nection.	 This  option  is  used	 to  fan-out  multiplexing  to
	       increase	 speed	or overcome system resource limits when broad‐
	       casting to a large number of displays.

       -maxfd  Set NOFILE to the maximum possible value.  On systems that per‐
	       mit  it, the number of active file descriptors is raised to the
	       system maximum.

       -msb num
	       Increase the size of the outgoing slave socket buffers (SNDBUF)
	       by  a  factor of num.  Can improve performance dramatically for
	       protocol intensive applications (clients	 that  putimage	 large
	       images  will  benefit, for instance).  However, making the buf‐
	       fers very large can wedge  xmx's	 host  machine.	  Setting  num
	       larger than 4 is not advised.

       -help   Print a helpful message describing usage and options.

       display...
	       The  list of slave server displays can also be specified on the
	       command line.  If the -f option is also	specified,  the	 lists
	       are merged.

SEE ALSO
       rx(LOCAL), X(1), Xserver(1)

BUGS
       Pointer	motion	could  be  improved.   Interactive mode is currently a
       hack.  Does not support any extensions yet.

AUTHOR
       John Bazik

				    8/29/90			    XMX(LOCAL)
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