if [ -z "$BTRACE_HOME" -o ! -d "$BTRACE_HOME" ] ; then

# resolve links - $0 could be a link to btrace's home

PRG="$0"

progname=`basename "$0"`

BTRACE_HOME=`dirname "$PRG"`/..

BTRACE_HOME=`cd "$BTRACE_HOME" && pwd`

if [ -f "${BTRACE_HOME}/build/btrace-client.jar" ] ; then

if [ "${JAVA_HOME}" != "" ]; then

TOOLS_JAR="${JAVA_HOME}/lib/tools.jar"

if [ ! -f ${TOOLS_JAR} ] ; then

case "`uname`" in

Darwin*)

# In older JDK versions for Mac OS X, tools.jar is classes.jar

# and is kept in a different location. Check if we can locate

# classes.jar based on ${JAVA_VERSION}

TOOLS_JAR="/System/Library/Frameworks/JavaVM.framework/Versions/${JAVA_VERSION}/Classes/classes.jar"

# if we can't find, try relative path from ${JAVA_HOME}. Usually,

# /System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Home

# is JAVA_HOME. (or whatever version beyond 1.6.0!)

if [ ! -f ${TOOLS_JAR} ] ; then

TOOLS_JAR="${JAVA_HOME}/../Classes/classes.jar"

fi

# If we still can't find, tell the user to set JAVA_VERSION.

# This way, we can avoid zip file errors from the agent side

# and "connection refused" message from client.

if [ ! -f ${TOOLS_JAR} ] ; then

echo "Please set JAVA_VERSION to the target java version"

exit 1

fi

;;

esac

fi

${JAVA_HOME}/bin/java -cp ${BTRACE_HOME}/build/btrace-client.jar:${TOOLS_JAR}:/usr/share/lib/java/dtrace.jar com.sun.btrace.client.Main $*

else

echo "Please set JAVA_HOME before running this script"

exit 1

fi

echo "Please set BTRACE_HOME before running this script"

exit 1