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openSUSE:12.2
s390-tools
xpram
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File xpram of Package s390-tools
#! /bin/sh # Copyright (c) 2004 SUSE LINUX AG Nuernberg, Germany. # # Submit feedback to http://www.suse.de/feedback/ # # /etc/init.d/xpram # # and symbolic its link # # /use/sbin/rcxpram # # System startup script for XPRAM device driver # ### BEGIN INIT INFO # Provides: xpram # Required-Start: $remote_fs # Required-Stop: $null # Default-Start: 3 5 # Default-Stop: 0 1 6 # Short-Description: XPRAM device driver # Description: Creates an xpram device and mounts it ### END INIT INFO # XPRAM_CONFIG_FILE=/etc/sysconfig/xpram read_config_file() { if [ config_read = 1 ]; then return 0 fi file=$XPRAM_CONFIG_FILE if [ -s "$file" ]; then source $file config_read=1 else echo -ne "Cannot read $file: empty or nonexistant! " # Means not configured: rc_failed 6 rc_status -v return 6 fi } prepare_xpram() { if [ -z "$XPRAM_MNTPATH" -o -z "$XPRAM_DEVNODE" ]; then echo -n "Cannot mkfs/mount XPRAM: Missing parameters! " rc_failed 6 rc_status -v rc_exit fi grep -q $XPRAM_DEVNODE /proc/mounts 2>&1 > /dev/null if [ $? -eq 0 ] ; then echo -n "$service: $XPRAM_DEVNODE already mounted! " return fi current_fstype=`vol_id -t $XPRAM_DEVNODE 2> /dev/null` if [ $? -ne 0 -o "$XPRAM_FORCE" = "yes" ] then # Does not contain a valid filesystem/swap space if [ "$XPRAM_FSTYPE" = swap ] then mkswap $XPRAM_DEVNODE else mkfs -t "$XPRAM_FSTYPE" -b 4096 "$XPRAM_DEVNODE" fi sleep 1 # workaround current_fstype=$XPRAM_FSTYPE fi if [ ! "$current_fstype" = "$XPRAM_FSTYPE" ] then echo echo -n "Warning: current filessystem and configured filesystem are not the same!" rc_failed 6 rc_status -v rc_exit fi if [ "$XPRAM_FSTYPE" = swap ] then if [ "$XPRAM_SWAP_PRI" = "" ] then swapon $XPRAM_DEVNODE else swapon -p $XPRAM_SWAP_PRI $XPRAM_DEVNODE fi else if [ ! -d "$XPRAM_MNTPATH" ] then mkdir -p "$XPRAM_MNTPATH" fi mount "$XPRAM_DEVNODE" "$XPRAM_MNTPATH" if [ $? -ne 0 ] then echo -n "Mount failed with error code $?" rc_failed 6 rc_status -v rc_exit fi fi } # Shell functions sourced from /etc/rc.status: # rc_check check and set local and overall rc status # rc_status check and set local and overall rc status # rc_status -v ditto but be verbose in local rc status # rc_status -v -r ditto and clear the local rc status # rc_failed set local and overall rc status to failed # rc_failed <num> set local and overall rc status to <num><num> # rc_reset clear local rc status (overall remains) # rc_exit exit appropriate to overall rc status . /etc/rc.status # First reset status of this service config_read=0 rc_reset # Return values acc. to LSB for all commands but status: # 0 - success # 1 - generic or unspecified error # 2 - invalid or excess argument(s) # 3 - unimplemented feature (e.g. "reload") # 4 - insufficient privilege # 5 - program is not installed # 6 - program is not configured # 7 - program is not running # # Note that starting an already running service, stopping # or restarting a not-running service as well as the restart # with force-reload (in case signalling is not supported) are # considered a success. check_config () { if [ -z "$XPRAM_MODULE" ]; then echo -n "$file: parameters XPRAM_MODULE missing! " rc_failed 6 rc_status -v rc_exit fi } quit_disabled() { if [ "$XPRAM_START" != "yes" ]; then # Config file exists but xpram not enabled, do not complain, # but note with exit status 6 that we are not configured. rc_exit fi } check_enabled() { if [ "$XPRAM_START" != "yes" ]; then rc_failed 6 if [ "$XPRAM_MODULE" ]; then if grep -q "$XPRAM_MODULE" /proc/modules; then echo -n "Service $service $_rc_todo " rc_status -v fi fi rc_exit fi } service="xpram" case "$1" in start) # Read in configuration read_config_file || rc_exit check_enabled quit_disabled check_config echo -n "Creating $service device " modprobe "$XPRAM_MODULE" if [ $? -ne 0 ]; then echo -n "- failed to load $XPRAM_MODULE " rc_failed 1 else prepare_xpram fi # Remember status and be verbose rc_status -v ;; stop) # Read in configuration read_config_file || rc_exit # check_enabled # quit_disabled echo -n "Removing $service device " check_config if [ "$XPRAM_DEVNODE" ]; then if grep -q $XPRAM_DEVNODE /proc/mounts; then umount $XPRAM_DEVNODE fi if swapon -s | grep -q $XPRAM_DEVNODE; then swapoff $XPRAM_DEVNODE fi fi if grep -q "$XPRAM_MODULE" /proc/modules; then rmmod "$XPRAM_MODULE" rc_status else rc_failed 7 fi # Remember status and be verbose rc_status -v ;; try-restart) ## Stop the service and if this succeeds (i.e. the ## service was running before), start it again. ## Note: try-restart is not (yet) part of LSB (as of 0.7.5) $0 status >/dev/null && $0 restart # Remember status and be quiet rc_status ;; restart) ## Stop the service and regardless of whether it was ## running or not, start it again. $0 stop $0 start # Remember status and be quiet rc_status ;; force-reload) echo -n "Force-reload $service " $0 stop && $0 start rc_status ;; reload) echo -n "Reloading $service not supported." ## it does not support reload: rc_failed 3 rc_status -v ;; status) echo -n "Checking $service " # Status has a slightly different meaning for the status command: # 0 - service running # 1 - service dead, but /var/run/ pid file exists # 3 - service not running # Read in configuration read_config_file || rc_exit check_config lsmod | grep -q $XPRAM_MODULE if [ $? -eq 0 ]; then if [ "$XPRAM_DEVNODE" ]; then if ! grep -q $XPRAM_DEVNODE /proc/mounts && ! swapon -s | grep -q $XPRAM_DEVNODE; then xpram_result=3 echo -n "loaded, but $XPRAM_DEVNODE not used" rc_failed 3 fi fi else rc_failed 3 fi rc_status -v ;; *) echo "Usage: $0 {start|stop|status|try-restart|restart}" exit 1 ;; esac rc_exit
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