skypopen: added a proof of concept standalone OSS audio driver (for Skype-oss clients)

src/mod/endpoints/mod_skypopen/oss/scull.init

-#!/bin/bash
-# Sample init script for the a driver module <rubini@linux.it>
-
-DEVICE="scull"
-SECTION="misc"
-
-# The list of filenames and minor numbers: $PREFIX is prefixed to all names
-PREFIX="scull"
-FILES="     0 0         1 1         2 2        3 3    priv 16 
-        pipe0 32    pipe1 33    pipe2 34   pipe3 35
-       single 48      uid 64     wuid 80"
-
-INSMOD=/sbin/insmod; # use /sbin/modprobe if you prefer
-
-function device_specific_post_load () {
-    true; # fill at will
-}
-function device_specific_pre_unload () {
-    true; # fill at will
-}
-
-# Everything below this line should work unchanged for any char device.
-# Obviously, however, no options on the command line: either in
-# /etc/${DEVICE}.conf or /etc/modules.conf (if modprobe is used)
-
-# Optional configuration file: format is
-#    owner  <ownername>
-#    group  <groupname>
-#    mode   <modename>
-#    options <insmod options>
-CFG=/etc/${DEVICE}.conf
-
-# kernel version, used to look for modules
-KERNEL=`uname -r`
-
-#FIXME: it looks like there is no misc section. Where should it be?
-MODDIR="/lib/modules/${KERNEL}/kernel/drivers/${SECTION}"
-if [ ! -d $MODDIR ]; then MODDIR="/lib/modules/${KERNEL}/${SECTION}"; fi
-
-# Root or die
-if [ "$(id -u)" != "0" ]
-then
-  echo "You must be root to load or unload kernel modules"
-  exit 1
-fi
-
-# Read configuration file
-if [ -r $CFG ]; then
-    OWNER=`awk "\\$1==\"owner\" {print \\$2}" $CFG`
-    GROUP=`awk "\\$1==\"group\" {print \\$2}" $CFG`
-    MODE=`awk "\\$1==\"mode\" {print \\$2}" $CFG`
-    # The options string may include extra blanks or only blanks
-    OPTIONS=`sed -n '/^options / s/options //p' $CFG`
-fi
-
-
-# Create device files
-function create_files () {
-    cd /dev
-    local devlist=""
-    local file
-    while true; do
-	if [ $# -lt 2 ]; then break; fi
-	file="${DEVICE}$1"
-	mknod $file c $MAJOR $2
-	devlist="$devlist $file"
-	shift 2
-    done
-    if [ -n "$OWNER" ]; then chown $OWNER $devlist; fi
-    if [ -n "$GROUP" ]; then chgrp $GROUP $devlist; fi
-    if [ -n "$MODE"  ]; then chmod $MODE  $devlist; fi
-}
-
-# Remove device files
-function remove_files () {
-    cd /dev
-    local devlist=""
-    local file
-    while true; do
-	if [ $# -lt 2 ]; then break; fi
-	file="${DEVICE}$1"
-	devlist="$devlist $file"
-	shift 2
-    done
-    rm -f $devlist
-}
-
-# Load and create files
-function load_device () {
-    
-    if [ -f $MODDIR/$DEVICE.o ]; then
-	devpath=$MODDIR/$DEVICE.o
-    else if [ -f ./$DEVICE.o ]; then
-	devpath=./$DEVICE.o
-    else
-	devpath=$DEVICE; # let insmod/modprobe guess
-    fi; fi
-    if [ "$devpath" != "$DEVICE" ]; then
-	echo -n " (loading file $devpath)"
-    fi
-
-    if $INSMOD $devpath $OPTIONS; then
-	MAJOR=`awk "\\$2==\"$DEVICE\" {print \\$1}" /proc/devices`
-	remove_files $FILES
-	create_files $FILES
-	device_specific_post_load
-    else
-	echo " FAILED!"
-     fi
-}
-
-# Unload and remove files
-function unload_device () {
-    device_specific_pre_unload 
-    /sbin/rmmod $DEVICE
-    remove_files $FILES
-}
-
-
-case "$1" in
-  start)
-     echo -n "Loading $DEVICE"
-     load_device
-     echo "."
-     ;;
-  stop)
-     echo -n "Unloading $DEVICE"
-     unload_device
-     echo "."
-     ;;
-  force-reload|restart)
-     echo -n "Reloading $DEVICE"
-     unload_device
-     load_device
-     echo "."
-     ;;
-  *)
-     echo "Usage: $0 {start|stop|restart|force-reload}"
-     exit 1
-esac
-
-exit 0