/usr/src/blcr-0.8.2/tests/ash_test.sh is in blcr-dkms 0.8.2-15ubuntu2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 | #!/bin/sh
#
# Test of checkpoint/restart of a ash script.
# Note that the outer script is bash
# Check for ash
ash -c true || exit 77
. ${cr_testsdir:-`dirname $0`}/shellinit
\rm -f Context[123] .Context[123].tmp 2>/dev/null
bash <<-'__OUTER__'
exec 2>/dev/null # Drop job control message(s) from the outer script
echo '#ST_ALARM:120'
$cr_run ash 2>&1 <<-'__INNER__'
echo '#ST_IGNORE:^\[1\]' # Tell seq_wrapper to ignore job-control msgs
echo '#ST_IGNORE:^[0-9]*:' # Tell seq_wrapper to ignore job-control msgs
echo '#ST_IGNORE:^[[:space:]]*$' # ...and the whitespace lines that may accompany them.
ash -c 'for i in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15; do echo $i Hello; sleep 1; done' &
pid=$!
sleep 3
echo "# Checkpoint original child"
$cr_checkpoint --file=Context1 --tree --term $pid
wait
sleep 1
echo "# Restart 1"
$cr_restart Context1 &
pid=$!
sleep 3
echo "# Checkpoint restarted child"
$cr_checkpoint --file=Context2 --tree --term $pid
wait
sleep 1
echo "# Restart^2"
$cr_restart Context2 &
pid=$!
sleep 3
echo "# Checkpoint self"
$cr_checkpoint --file=Context3 --term --tree $$
wait
echo "16 DONE"
__INNER__
exec 2>&1
sleep 3
echo "# Restart shell"
$cr_restart Context3
__OUTER__
\rm -f Context[123] .Context[123].tmp 2>/dev/null
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