stop-gtk-server

gtk_server的源代码

#!/bin/sh
#
# Script to kill GTK-server processes which have not been exited
# properly by a client program.
#
# October 6, 2006 until july 8, 2008 - PvE.
# December 2009: adjustments for MacOSX - PvE.
#---------------------------------------------------------------

# Define temporary file to dump processlist
PROCESS=/tmp/process.txt

# Determine platform
PLATFORM=`uname`

# Check usage
if [ "$#" -eq 0 ]
then
    echo
    echo "*** Stop GTK-server processes ***"
    echo
    echo "Usage: stop-gtk-server <[-]stdin> | <[-]tcp> | <[-]udp> | <[-]fifo> | <[-]ipc> | <[-]all> | <[-]show>"
    echo
    exit 1
fi

# Dump processlist in temporary file
ps aux | grep -v stop-gtk-server > $PROCESS

# Check if we are going to kill FIFO gtk-server processes
if [ $1 = "fifo" ]
then
    # Determine FIFO processes
    GTK=`awk '/gtk-server fifo/ {print $2}' $PROCESS`
    # Determine pipe files
    FILES=`awk '{gsub(/=/, " ")} /gtk-server fifo/ {print $13}' $PROCESS`
elif [ $1 = "-fifo" ]
then
    # Determine FIFO processes
    GTK=`awk '/gtk-server -fifo/ {print $2}' $PROCESS`
    # Determine pipe files
    FILES=`awk '{gsub(/=/, " ")} /gtk-server -fifo/ {print $13}' $PROCESS`

# Check on TCP process
elif [ $1 = "tcp" ]
then
    GTK=`awk '/gtk-server tcp/ {print $2}' $PROCESS`
elif [ $1 = "-tcp" ]
then
    GTK=`awk '/gtk-server -tcp/ {print $2}' $PROCESS`

# Check on UDP process
elif [ $1 = "udp" ]
then
    GTK=`awk '/gtk-server udp/ {print $2}' $PROCESS`
elif [ $1 = "-udp" ]
then
    GTK=`awk '/gtk-server -udp/ {print $2}' $PROCESS`

# Check if we are going to kill STDIN gtk-server processes
elif [ $1 = "stdin" ]
then
    GTK=`awk '/gtk-server stdin/ {print $2}' $PROCESS`
elif [ $1 = "-stdin" ]
then
    GTK=`awk '/gtk-server -stdin/ {print $2}' $PROCESS`

# Check if we are going to kill IPC gtk-server processes
elif [ $1 = "ipc" ]
then
    GTK=`awk '/gtk-server ipc/ {print $2}' $PROCESS`
    # Determine message queues
    IPC=`awk '{gsub(/=/, " ")} /gtk-server ipc/ {print $13}' $PROCESS`
elif [ $1 = "-ipc" ]
then
    GTK=`awk '/gtk-server -ipc/ {print $2}' $PROCESS`
    # Determine message queues
    IPC=`awk '{gsub(/=/, " ")} /gtk-server -ipc/ {print $13}' $PROCESS`

# Check if we are going to kill ALL gtk-server processes
elif [ $1 = "all" -o $1 = "-all" ]
then
    # Determine processes
    GTK=`awk '/gtk-server / {print $2}' $PROCESS`
    # Determine pipe files
    FILES=`awk '{gsub(/=/, " ")} /gtk-server fifo/ {print $13}' $PROCESS`
    FILES="$FILES `awk '{gsub(/=/, " ")} /gtk-server -fifo/ {print $13}' $PROCESS`"
    # Determine message queues
    IPC=`awk '{gsub(/=/, " ")} /gtk-server ipc/ {print $13}' $PROCESS`
    IPC="$IPC `awk '{gsub(/=/, " ")} /gtk-server -ipc/ {print $13}' $PROCESS`"

# Check if we are going to kill ALL gtk-server processes
elif [ $1 = "show" -o $1 = "-show" ]
then
    # Determine processes
    echo
    GTK=`awk '/gtk-server / {print}' $PROCESS`
    if [ -z "${GTK}" ]
    then
	echo "No GTK-server processes found!"
    else
	awk '/gtk-server / {print $1, $2, $9, $11, $12, $13, $14, $15, $16, $17, $18}' $PROCESS
    fi
    echo
    exit 0

# Generate error warning -> argument not recognized
else
    echo "Argument not recognized!"
    echo "Run 'stop-gtk-server' to see usage."
    exit -1
fi

# Kill the GTK-server processes
for i in $GTK
do
    kill -9 ${i}
    echo "Process ${i} stopped."
done

# Remove PIPE files if they exist
for i in $FILES
do
    if [ -p "${i}" ]
    then
	rm ${i}
	echo "Pipefile ${i} removed."
    fi
done

# Remove message queues if they exist
if [ "`expr "$PLATFORM" : '.*\(BSD\)'`" = "BSD" ]
then
    QUEUE=`ipcs -q | awk '/[0123456789]/ {printf "%d ", $3}'`
elif [ "`expr "$PLATFORM" : '.*\(Darwin\)'`" = "Darwin" ]
then
    QUEUE=`ipcs -q | awk '/0x/ {printf "%d ", $3}'`
else
    QUEUE=`ipcs -q | awk '/[0123456789]/ {printf "%d ", strtonum($1)}'`
fi

for k in $IPC
do
    for j in $QUEUE
    do
	if [ "$k" = "$j" ]
	then
	    if [ "`expr "$PLATFORM" : '.*\(BSD\)'`" = "BSD" ]
	    then
		ID=`ipcs -q | awk -v ARG=$k '/[0123456789]/ {if ($3==ARG) print $2}'`
	    elif [ "`expr "$PLATFORM" : '.*\(Darwin\)'`" = "Darwin" ]
	    then
		ID=`ipcs -q | awk -v ARG=$k '/0x/ {if ($3==ARG) print $2}'`
	    else
		ID=`ipcs -q | awk -v ARG=$k '/[0123456789]/ {if (strtonum($1)==ARG) print $2}'`
	    fi
	    ipcrm -q $ID
	    echo "Message queue ${ID} removed."
	fi
    done
done

# Tell if there are no processes found
if [ -z "$GTK" ]
then
    echo
    echo "No GTK-server processes found!"
    echo
fi

# Remove temporary file
rm $PROCESS

exit 0