#!/bin/sh
# PCP QA Test No. 577
# pmlogger leaves zombie pmcpp process?
#
# Copyright (c) 2017 Ken McDonell.  All Rights Reserved.
#

seq=`basename $0`
echo "QA output created by $seq"

# get standard environment, filters and checks
. ./common.product
. ./common.filter
. ./common.check

_cleanup()
{
    cd $here
    $sudo rm -rf $tmp $tmp.*
}

status=1	# failure is the default!
$sudo rm -rf $tmp $tmp.* $seq.full
trap "_cleanup; exit \$status" 0 1 2 3 15

cat <<End-of-File >$tmp.config
log mandatory on 1sec { sample.long }
End-of-File

# real QA test starts here
pmlogger -c $tmp.config -l $tmp.log $tmp &
pid=$!

rm -f $tmp.ok
for i in 1 2 3 4 5
do
    if [ -s $tmp.meta ]
    then
	touch $tmp.ok
	break
    fi
    sleep 1
done

if [ ! -f $tmp.ok ]
then
    echo "Arrgh ... pmlogger not started after 5 seconds"
    cat $tmp.log
    kill -KILL $pid
    exit
fi

# ps lines first is expected, second shows the bug ...
#
# kenj     14024 13998  0 06:35 pts/28   00:00:00 pmlogger -c ...
# kenj     14027 14024  0 06:35 pts/28   00:00:00 [pmcpp] <defunct>
#
$PCP_PS_PROG $PCP_PS_ALL_FLAGS \
| grep "$pid" \
| tee -a $here/$seq.full \
| $PCP_AWK_PROG '
$2 == "'$pid'"	{ print "Parent pmlogger found" }
$3 == "'$pid'"	{ print "oops, child process found: " $0 }'

kill -TERM $pid
wait

cat $tmp.log >>$here/$seq.full

# success, all done
status=0
exit
