source: drbl_ui/backup/test_busybox/busybox-1.7.2/examples/devfsd.conf @ 179

# Sample /etc/devfsd.conf configuration file.
# Richard Gooch  <rgooch@atnf.csiro.au>   17-FEB-2002
#
# adapted for busybox devfsd implementation by Tito <farmatito@tiscali.it>
#
# Enable full compatibility mode for old device names. You may comment these
# out if you don't use the old device names. Make sure you know what you're
# doing!
REGISTER  .*    MKOLDCOMPAT
UNREGISTER  .*    RMOLDCOMPAT

# You may comment out the above and uncomment the following if you've
# configured your system to use the original "new" devfs names or the really
# new names
#REGISTER ^vc/    MKOLDCOMPAT
#UNREGISTER ^vc/    RMOLDCOMPAT
#REGISTER ^pty/   MKOLDCOMPAT
#UNREGISTER ^pty/   RMOLDCOMPAT
#REGISTER ^misc/    MKOLDCOMPAT
#UNREGISTER ^misc/    RMOLDCOMPAT

# You may comment these out if you don't use the original "new" names
REGISTER  .*    MKNEWCOMPAT
UNREGISTER  .*    RMNEWCOMPAT

# Enable module autoloading. You may comment this out if you don't use
# autoloading
# Supported by busybox when CONFIG_DEVFSD_MODLOAD is set.
# This actually doesn't work with busybox  modutils but needs
# the real modutils' modprobe
LOOKUP    .*    MODLOAD

# Uncomment the following if you want to set the group to "tty" for the
# pseudo-tty devices. This is necessary so that mesg(1) can later be used to
# enable/disable talk requests and wall(1) messages.
REGISTER  ^pty/s.*  PERMISSIONS -1.tty  0600
#REGISTER ^pts/.*   PERMISSIONS -1.tty  0600

# Restoring /dev/log on startup would trigger the minilogd/initlog deadlock
# (minilogd falsely assuming syslogd has been started).
REGISTER  ^log$   IGNORE
CREATE    ^log$   IGNORE
CHANGE    ^log$   IGNORE
DELETE    ^log$   IGNORE

#
# Uncomment this if you want permissions to be saved and restored
# Do not do this for pseudo-terminal devices
REGISTER  ^pt[sy]   IGNORE
CREATE    ^pt[sy]   IGNORE
CHANGE    ^pt[sy]   IGNORE
DELETE    ^pt[sy]   IGNORE
REGISTER  .*    COPY  /lib/dev-state/$devname $devpath
CREATE    .*    COPY  $devpath /lib/dev-state/$devname
CHANGE    .*    COPY  $devpath /lib/dev-state/$devname
#DELETE   .*    CFUNCTION GLOBAL unlink /lib/dev-state/$devname
# Busybox
DELETE    .*    EXECUTE /bin/rm -f    /lib/dev-state/$devname

RESTORE   /lib/dev-state

#
# Uncomment this if you want the old /dev/cdrom symlink
#REGISTER ^cdroms/cdrom0$ CFUNCTION GLOBAL mksymlink $devname cdrom
#UNREGISTER ^cdroms/cdrom0$ CFUNCTION GLOBAL unlink cdrom
# busybox
REGISTER  ^cdroms/cdrom0$ EXECUTE /bin/ln -sf $devname cdrom
UNREGISTER  ^cdroms/cdrom0$ EXECUTE /bin/rm -f cdrom

#REGISTER ^v4l/video0$  CFUNCTION GLOBAL mksymlink v4l/video0 video
#UNREGISTER ^v4l/video0$  CFUNCTION GLOBAL unlink video
#REGISTER ^radio0$  CFUNCTION GLOBAL mksymlink radio0 radio
#UNREGISTER ^radio0$  CFUNCTION GLOBAL unlink radio
# Busybox
REGISTER  ^v4l/video0$  EXECUTE /bin/ln -sf v4l/video0 video
UNREGISTER  ^v4l/video0$  EXECUTE /bin/rm -f video
REGISTER  ^radio0$    EXECUTE /bin/ln -sf  radio0 radio
UNREGISTER  ^radio0$    EXECUTE /bin/rm -f radio

# ALSA stuff
#LOOKUP     snd     MODLOAD ACTION snd

# Uncomment this to let PAM manage devfs
# Not supported by busybox
#REGISTER .*    CFUNCTION /lib/security/pam_console_apply_devfsd.so pam_console_apply_single $devpath

# Uncomment this to manage USB mouse
# Not supported by busybox
#REGISTER ^input/mouse0$  CFUNCTION GLOBAL mksymlink $devname usbmouse
#UNREGISTER ^input/mouse0$  CFUNCTION GLOBAL unlink usbmouse
# Busybox
#REGISTER ^input/mouse0$  EXECUTE /bin/ln -sf $devname usbmouse
#UNREGISTER ^input/mouse0$  EXECUTE /bin/rm -f usbmouse
# Not supported by busybox
#REGISTER ^input/mice$  CFUNCTION GLOBAL mksymlink $devname usbmouse
#UNREGISTER ^input/mice$  CFUNCTION GLOBAL unlink usbmouse
# Busybox
REGISTER  ^input/mice$  EXECUTE /bin/ln -sf $devname usbmouse
UNREGISTER  ^input/mice$  EXECUTE /bin/rm -f usbmouse

# If you have removable media and want to force media revalidation when looking
# up new or old compatibility names, uncomment the following lines
# SCSI NEWCOMPAT  /dev/sd/* names
LOOKUP    ^(sd/c[0-9]+b[0-9]+t[0-9]+u[0-9]+)p[0-9]+$  EXECUTE /bin/dd if=$mntpnt/\1 of=/dev/null count=1
# SCSI OLDCOMPAT  /dev/sd?? names
LOOKUP    ^(sd[a-z]+)[0-9]+$  EXECUTE /bin/dd if=$mntpnt/\1 of=/dev/null count=1
# IDE NEWCOMPAT   /dev/ide/hd/* names
LOOKUP    ^(ide/hd/c[0-9]+b[0-9]+t[0-9]+u[0-9]+)p[0-9]+$  EXECUTE /bin/dd if=$mntpnt/\1 of=/dev/null count=1
# IDE OLDCOMPAT   /dev/hd?? names
LOOKUP    ^(hd[a-z])[0-9]+$ EXECUTE /bin/dd if=$mntpnt/\1 of=/dev/null count=1
# IDE-SCSI NEWCOMPAT  /dev/sd/* names
#LOOKUP   ^(sd/c[0-9]+b[0-9]+t[0-9]+u[0-9]+)p[0-9]+$  EXECUTE /bin/dd if=$mntpnt/\1 of=/dev/null count=1
#SCSI OLDCOMPAT  /dev/scd? names
LOOKUP    ^(scd+)[0-9]+$  EXECUTE /bin/dd if=$mntpnt/\1 of=/dev/null count=1


REGISTER ^dvb/card[0-9]+/[^/]+$ PERMISSIONS root.video 0660
# Not supported by busybox
#REGISTER ^dvb/card([0-9]+)/([^/0-9]*)[0-9]+$ CFUNCTION GLOBAL mksymlink /dev/$devname ost/\2\1
#UNREGISTER ^dvb/card([0-9]+)/([^/0-9]*)[0-9]+$ CFUNCTION GLOBAL unlink ost/\2\1
# Busybox
REGISTER  ^dvb/card([0-9]+)/([^/0-9]*)[0-9]+$ EXECUTE /bin/ln -sf /dev/$devname ost/\2\1
UNREGISTER  ^dvb/card([0-9]+)/([^/0-9]*)[0-9]+$ EXECUTE /bin/rm -f ost/\2\1

# Include package-generated files from /etc/devfs/conf.d
# Supported by busybox
# INCLUDE   /etc/devfs/conf.d/
INCLUDE   /etc/devfs/busybox/
# Busybox: just for testing
#INCLUDE      /etc/devfs/nothing/
#INCLUDE      /etc/devfs/nothing/nothing
#OPTIONAL_INCLUDE /etc/devfs/nothing/
#OPTIONAL_INCLUDE /etc/devfs/nothing/nothing