#

# Copyright 2004 Sun Microsystems, Inc.  All Rights Reserved.

# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

#

# This code is free software; you can redistribute it and/or modify it

# under the terms of the GNU General Public License version 2 only, as

# published by the Free Software Foundation.

#

# This code is distributed in the hope that it will be useful, but WITHOUT

# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

# version 2 for more details (a copy is included in the LICENSE file that

# accompanied this code).

#

# You should have received a copy of the GNU General Public License version

# 2 along with this work; if not, write to the Free Software Foundation,

# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

#

# Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

# CA 95054 USA or visit www.sun.com if you need additional information or

# have any questions.

#

#

setup() {

    # Verify directory context variables are set

    if [ "${TESTJAVA}" = "" ] ; then

        echo "TESTJAVA not set. Test cannot execute.  Failed."

        exit 1

    fi

    if [ "${TESTCLASSES}" = "" ] ; then

        TESTCLASSES="."

    fi

    if [ "${TESTSRC}" = "" ] ; then

        TESTSRC="."

    fi

    OS=`uname -s`

    case ${OS} in

    Windows_*)

        PS=";"

        FS="\\"

        ;;

    *)

        PS=":"

        FS="/"

        ;;

    esac

}

verify_os() {

    OS=`uname -s`

    case ${OS} in

    Windows_95 | Windows_98 | Windows_ME)

        echo "Test bypassed: jvmstat feature not supported on ${OS}"

        exit 0

        ;;

    Windows_*)

        # verify that the tmp directory supports persistent ACLs, which

        # are required for jvmstat to enable its shared memory feature.

        # NOTE: FAT type files systems do not support ACLs, but NTFS files

        # systems do.

        #

        echo "temp directory is in: `windir -t`"

        TMPDRIVE=`windir -t | cut -d: -f1`

        if [ "${TMPDRIVE}" = "" ] ; then

            echo "Could not get temp directory drive letter"

            exit 1

        fi

        echo "temp file system characteristics:"

        sysinf drives -a | grep "^${TMPDRIVE}"

        sysinf drives -a | grep "^${TMPDRIVE}" | grep PERSISTENT_ACLS > /dev/null

        case $? in

        0)

            ;;

        1)

            echo "Test bypassed: jvmstat feature disabled because the temp"

            echo "directory doesn't support persistent ACLs"

            exit 0

            ;;

        2)

            echo "Could not get temp directory file system features"

            exit 1

            ;;

        *)

            echo "Unexpected return code from grep - $?"

            exit 1

            ;;

        esac

        ;;

    esac

}

# function to kill the process with the given process id

kill_proc() {

    kill_pid=$1

    if [ "${kill_pid}" = "" ]

    then

        echo "kill_proc(): null pid: ignored"

        return

    fi

    if [ ${kill_pid} -le 0 ]

    then

        echo "kill_proc(): invalid pid: ${kill_pid}: ignored"

        return

    fi

    OS=`uname -s`

    case $OS in

    Windows_*)

        case ${SHELL_VERSION} in

        [1234567].* | 8.[12345].*)

            # when starting processes in the background, mks creates an

            # intervening between the parent process and the background

            # process. The pid acquired for background process as acquired

            # by the $! shell variable is actually the pid of the invervening

            # shell and not that of the background process. Sending a specific

            # signal to the intervening shell will only effects the intervening 

            # shell and not the background process, thus leaving the background

            # process running. The following code assumes that the pid passed

            # into this function as ${kill_pid}, was acquired by $!. Therefore,

            # in order to kill the background process, we must first find the

            # children of ${kill_pid} (should be only one child) and kill them.

            ps -o pid,ppid | grep "${kill_pid}$"

            children=`mks_children ${kill_pid}`

            echo "killing children of ${kill_pid}: ${children}"

            for child in ${children} ; do

                kill_proc_common ${child}

            done

            ;;

        *)

            # in mks 8.6 and later, the pid returned in $! is now the pid

            # of the background process and not that of the intervening shell.

            kill_proc_common ${kill_pid}

            ;;

        esac

        ;;

    *)

        kill_proc_common ${kill_pid}

        ;;

    esac

}

mks_children() {

    ppid=$1

    ps -o pid,ppid | grep "${ppid}$" | awk '

BEGIN	{ pids="" }

	{ pids = pids $1 " " }

END	{ print pids }'

}

kill_proc_common() {

   kpid=$1

    # verify that the process exists and we can signal it

    kill -0 ${kpid} 2>/dev/null

    if [ $? -ne 0 ]

    then

        echo "Could not signal >${kpid}<"

        echo "user id = `id`"

        echo "process information :"

        ps -l -p ${kpid}

        return

    fi

    kill -TERM ${kpid}		# hit it easy first

    if [ $? -eq 0 ]

    then

        sleep 2

        kill -0 ${kpid} 2>/dev/null

        # check if it's still hanging around

        if [ $? -eq 0 ]

        then

            # it's still lingering, now it it hard

            kill -KILL ${kpid} 2>/dev/null

            if [ $? -ne 0 ]

            then

                echo "Could not kill ${kpid}!"

            fi

        fi

    else

        echo "Error sending term signal to ${kpid}!"

    fi

}