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#!/bin/sh
# Based on:
# FreeBSD: src/etc/rc.d/dumpon,v 1.12.2.1.4.1 2010/06/14 02:09:06 kensmith Exp
# FreeBSD: src/etc/rc.d/savecore,v 1.16.2.2.4.1 2010/06/14 02:09:06 kensmith Exp
dumpon_try()
{
if /sbin/dumpon "${1}" ; then
# Make a symlink in devfs for savecore
echo "Using ${1} for dump device."
ln -fs "${1}" /dev/dumpdev
return 0
fi
echo "Unable to specify $1 as a dump device."
return 1
}
# Enable dumpdev so that savecore can see it. Enable it
# early so a crash early in the boot process can be caught.
#
while read dev mp type more ; do
[ "${type}" = "swap" ] || continue
[ -c "${dev}" ] || continue
dumpon_try "${dev}" && works=true
done </etc/fstab
if [ "${works}" != "true" ]; then
echo "No suitable dump device was found." 1>&2
exit
fi
dumpdev=`/bin/realpath /dev/dumpdev`
dumpdir='/var/crash'
if [ ! -c "${dumpdev}" ]; then
echo "Dump device does not exist. Savecore not run."
exit
fi
if [ ! -d "${dumpdir}" ]; then
echo "Dump directory does not exist. Savecore not run."
exit
fi
if savecore -C "${dumpdir}" "${dumpdev}" >/dev/null; then
savecore ${dumpdir} ${dumpdev}
else
echo 'No core dumps found.'
fi
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