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# -*- sh -*-
# vim:ft=sh:ts=8:sw=4:noet
AddConfigHandler XHacksOptions
AddConfigHelp "SwitchToTextMode <boolean>" "If your X driver is unable to resume properly, you can try switching to a text console first by setting this to yes."
AddConfigHelp "SwitchToTextModeOnResume <boolean>" "Use this to, on resume, switch to a text console and back. Some X drivers need this to properly resume."
AddConfigHelp "UseDummyXServer <boolean>" "Some X drivers can be reinitialised by launching a dummy X server after resuming to restore the state of the graphics card. Set this to yes to do so."
AddConfigHelp "DummyXServerConfig <filename>" "When using a dummy X server, use /etc/X11/<filename> as its configuration."
XHacksSuspend() {
if [ x"$XHACKS_LEAVE_X" = "x1" ] || [ x"$XHACKS_LEAVE_X_ON_RESUME" = "x1" ] ; then
if command -v fgconsole > /dev/null 2>&1 ; then
XHACKS_ORIGINAL_VT=`fgconsole`
else
XHACKS_ORIGINAL_VT=1
fi
fi
if [ x"$XHACKS_LEAVE_X" = "x1" ] ; then
local dest_vt
[ -z "$SWSUSPVT" ] && dest_vt=15 || dest_vt="$SWSUSPVT"
vecho 3 "xhacks: changing console from $XHACKS_ORIGINAL_VT to $dest_vt"
chvt $dest_vt || return 1
fi
return 0
}
XHacksResume() {
if [ x"$XHACKS_NVIDIA" = "x1" ] ; then
# Launch a dummy X server to reinitialise the graphics card
PATH=$PATH:/usr/bin/X11:/usr/X11R6/bin
if ! command -v X > /dev/null 2>&1 ; then
vecho 1 "X not in path. Not starting dummy X server."
else
vecho 2 "Launching dummy X server."
unset XAUTHORITY # Make sure we don't clobber the user's .Xauthority
if [ -f /etc/X11/$XHACKS_CONFIG ] ; then
XHACKS_CONFIG="-config $XHACKS_CONFIG"
else
XHACKS_CONFIG=""
fi
xinit /bin/true -- `command -v X` :9 $XHACKS_CONFIG -auth /dev/null -audit 0 -nolisten tcp > /dev/null 2>&1
fi
fi
if [ -n "$XHACKS_LEAVE_X_ON_RESUME" ] ; then
vecho 3 "xhacks: changing to text mode"
local dest_vt
[ -z "$SWSUSPVT" ] && dest_vt=15 || dest_vt="$SWSUSPVT"
chvt $dest_vt
fi
if [ -n "$XHACKS_ORIGINAL_VT" ] ; then
vecho 3 "xhacks: changing console back to $XHACKS_ORIGINAL_VT"
chvt $XHACKS_ORIGINAL_VT
fi
}
# Hook1's called when using bootsplash and chvt needs to be performed earlier on
XHacksSuspendHook1() {
if [ x"$USE_BOOTSPLASH" = "x1" ] || [ x"$USE_FBSPLASH" = "x1" ] || \
[ -n "$SWSUSPVT" ] ; then
XHACKS_EARLY_SWITCH=1
XHacksSuspend
fi
return 0
}
XHacksResumeHook1() {
[ -n "$XHACKS_EARLY_SWITCH" ] && XHacksResume
return 0
}
# Hook2's called when not using bootsplash or redirecting output and chvt can
# wait a while.
XHacksSuspendHook2() {
[ -z "$XHACKS_EARLY_SWITCH" ] && XHacksSuspend
return 0
}
XHacksResumeHook2() {
[ -z "$XHACKS_EARLY_SWITCH" ] && XHacksResume
return 0
}
XHacksOptions() {
case $1 in
leavexbeforesuspend)
vecho 0 "The LeaveXBeforeSuspend option is deprecated and may disappear in"
vecho 0 "future releases. Please use SwitchToTextMode instead."
BoolIsOn "$1" "$2" && XHACKS_LEAVE_X=1 || return 0
# only break from case statement if we need something done
;;
switchtotextmode)
BoolIsOn "$1" "$2" && XHACKS_LEAVE_X=1 || return 0
# only break from case statement if we need something done
;;
switchtotextmodeonresume)
BoolIsOn "$1" "$2" && XHACKS_LEAVE_X_ON_RESUME=1 || return 0
# only break from case statement if we need something done
;;
nvidiahack)
vecho 0 "The NvidiaHack option is deprecated and may disappear in"
vecho 0 "future releases. Please use UseDummyXServer instead."
BoolIsOn "$1" "$2" && XHACKS_NVIDIA=1 || return 0
# only break from case statement if we need something done
;;
usedummyxserver)
BoolIsOn "$1" "$2" && XHACKS_NVIDIA=1 || return 0
# only break from case statement if we need something done
;;
dummyxserverconfig)
shift
XHACKS_CONFIG="$@"
;;
*)
return 1
esac
if [ -z "$XHACKS_HOOKED" ] ; then
AddSuspendHook 11 XHacksSuspendHook1
AddSuspendHook 95 XHacksSuspendHook2
AddResumeHook 11 XHacksResumeHook1
AddResumeHook 85 XHacksResumeHook2
# The switch back has to occur after modules have been loaded in order
# to allow for anything X might need (eg, psmouse)
XHACKS_HOOKED=1
fi
return 0
}
# $Id$
|
