WSMUX(4)                NetBSD Kernel Interfaces Manual               WSMUX(4)

NAME
     wsmux -- console keyboard/mouse multiplexor for wscons

SYNOPSIS
     wskbd*    at ... mux 1
     wsbell*   at ... mux 1
     wsmouse*  at ... mux 0

     pseudo-device wsmux

DESCRIPTION
     The wsmux is a pseudo-device driver that allows several wscons(4) input
     devices to have their events multiplexed into one stream.

     The typical usage for this device is to have two multiplexors, one for
     mouse events and one for keyboard and bell events.  All wsmouse(4)
     devices should direct their events to the mouse mux (normally 0) and all
     keyboard devices, except the console, should direct their events to the
     keyboard mux (normally 1).  A device will send its events to the mux
     indicated by the mux locator.  If none is given the device will not use a
     multiplexor.  The keyboard multiplexor should be connected to the dis-
     play, using the wsconscfg(8) command.  It will then receive all key-
     strokes from all keyboards and, furthermore, keyboards can be dynamically
     attached and detached without further user interaction.  Additionally,
     bell events generated for the display will be directed to all attached
     wsbell(4) devices.  In a similar way, the window system will open the
     mouse multiplexor and receive all mouse events; mice can also be dynami-
     cally attached and detached.

     If a wskbd(4), wsbell(4), or wsmouse(4) device is opened despite having a
     mux it will be detached from the mux.

     It is also possible to inject events into a multiplexor from a user pro-
     gram.

FILES
     For each mux device, /dev/wsmuxN there is a control device
     /dev/wsmuxctlN.  The control device has a minor number 128 greater than
     the regular mux device.  It can be used to control the mux even when it
     is open, e.g., by wsmuxctl(8).

     /dev/wsmouse a.k.a.  /dev/wsmux0

     /dev/wskbd a.k.a.  /dev/wsmux1

     /usr/include/dev/wscons/wsconsio.h

SEE ALSO
     wsbell(4), wscons(4), wsdisplay(4), wskbd(4), wsmouse(4), moused(8),
     wsconscfg(8), wsconsctl(8), wsfontload(8), wsmoused(8), wsmuxctl(8)

NetBSD 8.0                       June 13, 2017                      NetBSD 8.0

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