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#! /bin/sh
#
# Output something to stdout every so often so buildd won't kill
# the build when building
#
builddir=$1
echo $$ > buildwatch.pid
time_unit="m"
timer=0
sleep_for=3
time_up_at=180
upd_every=30 # use a multiple of $sleep_for
reset_timer() { timer=0; }
inc_timer() { timer=$(expr $timer + $sleep_for); }
time_up() { [ $timer -ge $time_up_at ]; }
can_update() { [ $(expr $timer % $upd_every) -eq 0 ]; }
do_sleep() { sleep ${sleep_for}${time_unit} && inc_timer; }
is_running() {
ps x | grep -v grep | egrep -qs $@
return $?
}
while ! time_up; do
if [ ! -f buildwatch.pid ]; then
echo "[$0] pidfile removed" && break
fi
if ! is_running '/make'; then
echo "[$0] no make process detected (build done?)" && break
fi
do_sleep
can_update || continue
new_noisy=$(ls -l test/jtreg_output-* 2>&1 | md5sum)
new_quiet=$(ls -l $builddir/openjdk*/build/*/tmp/rt-orig.jar $builddir/openjdk*/build/*/lib/tools.jar $builddir/openjdk*/build/*/lib/ct.sym 2>&1 | md5sum)
if [ -n "$old_noisy" -a "$old_noisy" != "$new_noisy" ]; then
# jtreg updated test files, so it should be updating stdout in its own
# keep quiet and restart timer
reset_timer
elif [ -n "$old_quiet" -a "$old_quiet" != "$new_quiet" ]; then
reset_timer
echo "[$0] assembling jar file ..."
elif is_running '/cc1|jar|java|gij'; then
echo "[$0] compiler/java/jar running ..."
reset_timer
fi
old_noisy=$new_noisy
old_quiet=$new_quiet
done
echo "[$0] exiting"
rm -f buildwatch.pid
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