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File rc.hal of Package hal-doc

#!/bin/sh
# Author: Danny Kukawka <dkukawka@suse.de>
#
# /etc/init.d/rchal
#
### BEGIN INIT INFO
# Provides:          haldaemon
# Required-Start:    boot.localnet dbus 
# Should-Start:      acpid resmgr
# Required-Stop:     $null
# Should-Stop:	     $null
# Default-Start:     2 3 5
# Default-Stop:      
# Short-Description: HAL is a daemon for managing information about the hardware on the system
# Description:       HAL is a hardware abstraction layer and aims to provide a live list of devices present 
#		     in the system at any point in time. HAL tries to understand both physical devices (such 
#	   	     as PCI, USB) and the device classes (such as input, net and block) physical devices have, 
#		     and it allows merging of information from so called device info files specific to a device. 
#		     HAL provides a network API through D-BUS for querying devices and notifying when things 
#		     change. Finally, HAL provides some monitoring (in an unintrusive way) of devices, presently 
#		     ethernet link detection and volume mounts are monitored. This, and more, is all described 
#		     in the HAL specification
#                    
### END INIT INFO

# Check for binary
HALDAEMON_BIN=/usr/sbin/hald
test -x $HALDAEMON_BIN || exit 5

# Parameters (startup)
HALDAEMON_PARA="--daemon=yes";
HALDAEMON_PIDDIR="/var/run/hald";
HALDAEMON_PID=$HALDAEMON_PIDDIR/haldaemon.pid;
DBUSDAEMON_PID=/var/run/dbus/pid;
CPUFREQ_SYSFS_PATH="/sys/devices/system/cpu/cpu0/cpufreq"
LOGGER="/bin/logger -t rchal"

load_governors()
{
    if [ ! -r $CPUFREQ_SYSFS_PATH ];then
	$LOGGER Cannot load cpufreq governors - No cpufreq driver available
	return 1
    fi
    read govs < $CPUFREQ_SYSFS_PATH/scaling_available_governors
    case "$govs" in
	*powersave*) 
	    ;;
	*) 
	    modprobe -q cpufreq_powersave >/dev/null 2>&1
	    [ $? != 0 ] && $LOGGER powersave cpufreq governor could not be loaded
	    ;;
    esac
    case "$govs" in
	*performance*) 
	    ;;
	*) 
	    modprobe -q cpufreq_performance >/dev/null 2>&1
	    [ $? != 0 ] && $LOGGER perfromance cpufreq governor could not be loaded
	    ;;
    esac
    case "$govs" in
	*userspace*) 
	    ;;
	*) 
	    modprobe -q cpufreq_userspace >/dev/null 2>&1
	    [ $? != 0 ] && $LOGGER userspace cpufreq governor could not be loaded
	    ;;
    esac
    case "$govs" in
	*ondemand*)
	    ;;
	*) 
	    modprobe -q cpufreq_ondemand >/dev/null 2>&1
	    [ $? != 0 ] && $LOGGER ondemand cpufreq governor could not be loaded
	    ;;
    esac
    case "$govs" in
	*conservative*)
	    ;;
	*) 
	    modprobe -q cpufreq_conservative >/dev/null 2>&1
	    [ $? != 0 ] && $LOGGER conservative cpufreq governor could not be loaded
	    ;;
    esac
    return 0
}

function load_cpufreq_driver()
{
    CPUFREQ_MODULES="speedstep_centrino powernow_k8 powernow_k7 powernow_k6 longrun speedstep_ich acpi_cpufreq"
    CPUFREQ_MODULES_GREP="^speedstep_centrino\|^speedstep_ich\|^powernow_k8\|^powernow_k7\|^powernow_k6\|^longrun\|^longhaul\|^acpi_cpufreq"
    
    ###### load CPUFREQ modules############
    # if the drivers are compiled in, $CPUFREQ_SYSFS_PATH already exists
    if [ ! -d $CPUFREQ_SYSFS_PATH ]; then
			# test for already loaded modules
	ALREADY_LOADED_MODS=`grep $CPUFREQ_MODULES_GREP /proc/modules`
	if [ -z "$ALREADY_LOADED_MODS" ] ; then 
	    for MODULE in $CPUFREQ_MODULES; do
		modprobe $MODULE &>/dev/null
		RETVAL=$?
		[ "$RETVAL" = 0 ] && break
	    done
	    # skip if no module could be loaded!
	    if [ "$RETVAL" != 0 ]; then
		$LOGGER "CPU frequency scaling is not supported by your processor."
		$LOGGER "boot with 'CPUFREQ=no' in to avoid this warning."
					# remove eventually loaded modules, bug 150381
		rmmod speedstep_lib freq_table 2>/dev/null
	    fi
	fi
    fi
    ###### load CPUFREQ modules############
}

# Source LSB init functions
# providing start_daemon, killproc, pidofproc,
# log_success_msg, log_failure_msg and log_warning_msg.
# This is currently not used by UnitedLinux based distributions and
# not needed for init scripts for UnitedLinux only. If it is used,
# the functions from rc.status should not be sourced or used.
#. /lib/lsb/init-functions

. /etc/rc.status

# Reset status of this service
rc_reset

case "$1" in
    start)
	
	if [ ! -d $HALDAEMON_PIDDIR ]; then
                mkdir -p $HALDAEMON_PIDDIR;
                chown haldaemon:haldaemon $HALDAEMON_PIDDIR;
        fi
        if [ -e $HALDAEMON_PID ]; then
                if checkproc $HALDAEMON_BIN ; then
			echo "HAL already started. Not starting."
			exit 0;
                else
                        echo "Removing stale PID file $HALDAEMON_PID.";
                        rm -f $HALDAEMON_PID;
                fi
        fi

##### CPUFreq stuff #####
	if [ "$CPUFREQ" != "no" -a "$CPUFREQ" != "off" ]; then
	    echo -n "Loading CPUFreq modules"
	    load_cpufreq_driver
	    load_governors
	    
	    if [ "$?" = 0 ]; then
		rc_status -v
	    else
		echo " (CPUFreq not supported)"
	    fi
	fi
 
	echo -n "Starting HAL daemon"
        $HALDAEMON_BIN $HALDAEMON_PARA

if [ -n "$INIT_VERSION" ] ; then
		rm -rf /media/.hal-mtab*
	fi

rc_status -v

;;
    start-with-dbus)
	if [ ! -e $DBUSDAEMON_PID ]; then
               echo -n "DBUS is not running. Starting D-BUS daemon";
                rcdbus start;
        fi
	$0 start
	;;
    stop)
	echo -n "Shutting down HAL daemon"
       	killproc -p $HALDAEMON_PID -TERM $HALDAEMON_BIN
       	rc_status
	rm -f $HALDAEMON_PID;
       	rc_status -v
        ;;
    try-restart)
        $0 status >/dev/null &&  $0 restart
        rc_status
        ;;
    restart)
        $0 stop
        $0 start
        ;;
    force-reload)
        echo -n "Reload service HAL daemon"
        $0 stop  &&  $0 start
        rc_status
        ;;
    reload)
        rc_failed 3
        rc_status -v
        ;;
    status)
        echo -n "Checking for service HAL daemon"
        checkproc $HALDAEMON_BIN
        rc_status -v
        ;;
    probe)
        ## Optional: Probe for the necessity of a reload, print out the
        ## argument to this init script which is required for a reload.
        ## Note: probe is not (yet) part of LSB (as of 1.2)
        # test /etc/FOO/FOO.conf -nt /var/run/FOO.pid && echo reload
        ;;
    *)
        echo "Usage: $0 {start|stop|status|try-restart|restart|force-reload|start-with-dbus|reload|probe}"
        exit 1
        ;;
esac
rc_exit

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File rc.hal of Package hal-doc

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