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|
#!/bin/bash
#
# Starts the OSS sound driver
#
### BEGIN INIT INFO
# Provides: oss4-base
# Required-Start: $remote_fs $local_fs
# Required-Stop: $remote_fs $local_fs
# Default-Start: S
# Default-Stop: 0 1 6
# Short-Description: Start and Stop the OSS4 subsystem
### END INIT INFO
OSSETCDIR=/etc/oss4
OSSVARDIR=/var/lib/oss4
. /etc/oss.conf
. /lib/lsb/init-functions
# Exit if oss4 is not installed
test -x /usr/sbin/ossdetect || exit 0
echo_procs_using_sound()
{
echo $( fuser /dev/mixer* /dev/dsp* /dev/midi* /dev/oss/*/* 2>/dev/null )
}
kill_procs_using_sound()
{
procs_using_sound="$(echo_procs_using_sound)"
if [ "$procs_using_sound" ] ; then
echo -n "Terminating processes:"
for attempt in 1 2 3 4 ; do
echo -n " ${procs_using_sound}"
kill $procs_using_sound || :
sleep 1
procs_using_sound="$(echo_procs_using_sound)"
[ "$procs_using_sound" ] || break
done
# Either no more procs using sound or attempts ran out
if [ "$procs_using_sound" ] ; then
echo -n " (with SIGKILL:) ${procs_using_sound}"
kill -9 $procs_using_sound || :
sleep 1
fi
procs_using_sound="$(echo_procs_using_sound)"
if [ "$procs_using_sound" ] ; then
echo " (failed: processes still using sound devices: $(echo_with_command_names $procs_using_sound))."
return 1
fi
echo "."
fi
return 0
}
unload_modules()
{
procs_using_sound="$(echo_procs_using_sound)"
if test "$procs_using_sound " != " "
then
log_action_end_msg 2 'Some applications are still using OSS'
exit 2
fi
# Unload oss drivers
for n in `cat $OSSETCDIR/installed_drivers | sed 's/#.*//'`
do
if ! /sbin/rmmod $n
then
log_warning_msg "Unloading module $n failed - ignored"
fi
done
if ! /sbin/rmmod osscore
then
log_action_end_msg 3 'Cannot unload the OSS driver modules'
exit 3
fi
}
case "$1" in
start)
log_begin_msg 'Starting Open Sound System: '
# Check if OSS is already running
if test -f /proc/opensound/devfiles
then
log_action_end_msg 0 'OSS is already loaded'
exit 0
fi
# Check if oss kernel modules are installed
if ! test -f /lib/modules/`uname -r`/kernel/oss4/osscore.ko && ! test -f /lib/modules/`uname -r`/updates/dkms/osscore.ko
then
log_action_end_msg 1 'No kernel modules detected'
exit 0
fi
# Detect hardware
if ! test -f $OSSETCDIR/installed_drivers
then
/usr/sbin/ossdetect -v
fi
if ! test -f $OSSETCDIR/installed_drivers
then
log_action_end_msg 10 "No $OSSETCDIR/installed_drivers - cannot continue (problem with ossdetect?)"
exit 10
fi
# Load osscore
OPTIONS=
if test -f $OSSETCDIR/conf/osscore.conf
then
OPTIONS="`grep -v -h '^#' $OSSETCDIR/conf/osscore.conf|sed 's/ //g'`"
fi
if ! /sbin/modprobe osscore $OPTIONS
then
log_action_end_msg 60 "Cannot load the osscore module"
exit 60
fi
# Load oss drivers
for n in `cat $OSSETCDIR/installed_drivers | sed 's/#.*//'`
do
OPTIONS=
if test -f $OSSETCDIR/conf/$n.conf
then
OPTIONS="`grep -v -h '^#' $OSSETCDIR/conf/$n.conf|sed 's/ //g'`"
fi
if ! /sbin/modprobe $n $OPTIONS
then
log_warning_msg "Loading module $n failed - ignored"
fi
done
# Check if everything is OK
if ! test -f /proc/opensound/devfiles
then
log_action_end_msg 70 'OSS Core module refused to start'
exit 70
fi
# Create device file
/usr/sbin/ossdetect -d -m 660 -g audio
# Create basic links
/usr/sbin/ossdevlinks
if test -f $OSSVARDIR/legacy_devices
then
sh $OSSVARDIR/legacy_devices
fi
/usr/sbin/savemixer -L
log_action_end_msg 0
;;
stop)
log_begin_msg 'Stopping Open Sound System: '
if ! test -f /proc/opensound/devfiles
then
log_action_end_msg 0 'OSS not loaded'
exit 0
fi
/usr/sbin/savemixer
log_action_end_msg 0
;;
unload)
log_begin_msg 'Unloading Open Sound System kernel modules: '
if ! test -f /proc/opensound/devfiles
then
log_action_end_msg 0 'OSS not loaded'
exit 0
fi
/usr/sbin/savemixer
unload_modules
log_action_end_msg 0
;;
force-unload)
log_begin_msg 'Unloading Open Sound System kernel modules: '
if ! test -f /proc/opensound/devfiles
then
log_action_end_msg 0 'OSS not loaded'
exit 0
fi
/usr/sbin/savemixer
kill_procs_using_sound
unload_modules
log_action_end_msg 0
;;
restart)
$0 stop
sleep 1
$0 start
;;
force-reload)
$0 force-unload
sleep 1
$0 start
;;
*)
echo "Usage: $0 {start|stop|unload|force-unload|restart|force-reload}"
exit 3
esac
|
