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#!/bin/sh
# description: Test creation and deletion of trace instances
if [ ! -d instances ] ; then
echo "no instance directory with this kernel"
exit_unsupported;
fi
fail() { # mesg
rmdir x y z 2>/dev/null
echo $1
set -e
exit $FAIL
}
cd instances
# we don't want to fail on error
set +e
mkdir x
rmdir x
result=$?
if [ $result -ne 0 ]; then
echo "instance rmdir not supported"
exit_unsupported
fi
instance_slam() {
while :; do
mkdir x
mkdir y
mkdir z
rmdir x
rmdir y
rmdir z
done 2>/dev/null
}
instance_slam &
p1=$!
echo $p1
instance_slam &
p2=$!
echo $p2
instance_slam &
p3=$!
echo $p3
instance_slam &
p4=$!
echo $p4
instance_slam &
p5=$!
echo $p5
ls -lR >/dev/null
sleep 1
kill -1 $p1
kill -1 $p2
kill -1 $p3
kill -1 $p4
kill -1 $p5
echo "Wait for processes to finish"
wait $p1 $p2 $p3 $p4 $p5
echo "all processes finished, wait for cleanup"
mkdir x y z
ls x y z
rmdir x y z
for d in x y z; do
if [ -d $d ]; then
fail "instance $d still exists"
fi
done
set -e
exit 0
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