#! /bin/sh

if [ x$MXDIR = x ]; then
	MXDIR=/opt/mx
fi

MXAUTOSAVE=${MXDIR}/sbin/mxautosave

if [ x$LD_LIBRARY_PATH = x ]; then
	LD_LIBRARY_PATH=${MXDIR}/lib
else
	LD_LIBRARY_PATH="${MXDIR}/lib:${LD_LIBRARY_PATH}"
fi

if [ x$DYLD_LIBRARY_PATH = x ]; then
	DYLD_LIBRARY_PATH=${MXDIR}/lib
else
	DYLD_LIBRARY_PATH="${MXDIR}/lib:${DYLD_LIBRARY_PATH}"
fi

if [ x$SHLIB_PATH = x ]; then
	SHLIB_PATH=${MXDIR}/lib
else
	SHLIB_PATH="${MXDIR}/lib:${SHLIB_PATH}"
fi

export MXDIR LD_LIBRARY_PATH DYLD_LIBRARY_PATH SHLIB_PATH

#
# If mxautosave.dat exists and has a non-zero size, then we start mxautosave.
#

if [ -s ${MXDIR}/etc/mxautosave.dat ]; then

	if [ -x $MXAUTOSAVE ]; then
		cd ${MXDIR}/run

		echo $$ > ${MXDIR}/run/mxautosave.pid

		exec $MXAUTOSAVE $* ${MXDIR}/etc/mxautosave.dat \
			${MXDIR}/state/mxsave.1 ${MXDIR}/state/mxsave.2
	fi
else
	#
	# Otherwise, announce that mxautosave was not started.
	#

	DATE=`date +'%b %d %H:%M:%S'`

	echo \
"${DATE} *** mxautosave was not started, since ${MXDIR}/etc/mxautosave.dat is empty or does not exist. ***"

	#
	# Make sure that mxautosave.pid does not exist.
	#
	if [ -f ${MXDIR}/run/mxautosave.pid ]; then
		rm -f ${MXDIR}/run/mxautosave.pid
	fi
fi