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Inserting a small (2s) sleep after starting print_event.
Merge of master-melb:xfs-cmds:29094a by kenmcd.

#! /bin/sh
# FSQA Test No. 168
#
# Check for DMAPI destroy events when removing files without attributes
# See PV960928 for details
#
#-----------------------------------------------------------------------
#  Copyright (c) 2007 Silicon Graphics, Inc.  All Rights Reserved.
#-----------------------------------------------------------------------
#
# creator
owner=ddiss@sgi.com

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

here=`pwd`
tmp=/tmp/$$
rm -f $seq.full
status=1    # failure is the default!
trap "_cleanup; exit \$status" 0 1 2 3 15

_cleanup()
{
    _cleanup_testdir
}

# get standard environment, filters and checks
. ./common.rc
. ./common.filter
. ./common.dmapi

# real QA test starts here
_supported_fs xfs
_supported_os Linux

_require_scratch
_scratch_mkfs_xfs >/dev/null 2>&1
_dmapi_scratch_mount

qa_file_noattr=$SCRATCH_MNT/dmapi_file_noattr
qa_file_withattr=$SCRATCH_MNT/dmapi_file_withattr

# run dmapi print_event in background to capture events triggered during test
${DMAPI_QASUITE1_DIR}cmd/print_event $SCRATCH_MNT > $tmp.print_event_out 2>&1 &
dmapi_print_event_pid=$!

# give time for print_event to start capturing events
sleep 2

# enable DMAPI set_return_on_destroy for $SCRATCH_MNT
${DMAPI_COMMON_DIR}cmd/set_return_on_destroy -F $SCRATCH_MNT ATTR_NAME_1

echo "# create file"
touch $qa_file_noattr
echo "# remove file"
rm -f $qa_file_noattr

echo "# create file"
touch $qa_file_withattr
echo "# set dmapi attributes on file"
${DMAPI_QASUITE1_DIR}cmd/set_dmattr $qa_file_withattr ATTR_NAME_1 ATTR_VALUE_1
echo "# remove file"
rm -f $qa_file_withattr

# kill off background dmapi print_event process
kill $dmapi_print_event_pid
# give dmapi print_event time to finish writing out any events not yet output
wait

# dmapi destroy events are asyncronous,  don't rely on fixed ordering of events
# in print_event output, use sort.
echo "# here comes the dmapi print_event filtered and sorted output"
cat $tmp.print_event_out | tee -a $here/$seq.full | _filter_dmapi_print_event | LC_COLLATE=POSIX sort
rm $tmp.print_event_out

status=0
exit