iotests: Add "wait" functionality to _cleanup_qemu

The qemu process does not always need to be killed, just waiting for it
can be fine, too. This introduces a way to do so.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1423256778-3340-3-git-send-email-mreitz@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Max Reitz 2015-02-06 16:06:17 -05:00 committed by Stefan Hajnoczi
parent f53a829bb9
commit ea82aa4283

View file

@ -187,13 +187,23 @@ function _launch_qemu()
# Silenty kills the QEMU process
#
# If $wait is set to anything other than the empty string, the process will not
# be killed but only waited for, and any output will be forwarded to stdout. If
# $wait is empty, the process will be killed and all output will be suppressed.
function _cleanup_qemu()
{
# QEMU_PID[], QEMU_IN[], QEMU_OUT[] all use same indices
for i in "${!QEMU_OUT[@]}"
do
kill -KILL ${QEMU_PID[$i]} 2>/dev/null
if [ -z "${wait}" ]; then
kill -KILL ${QEMU_PID[$i]} 2>/dev/null
fi
wait ${QEMU_PID[$i]} 2>/dev/null # silent kill
if [ -n "${wait}" ]; then
cat <&${QEMU_OUT[$i]} | _filter_testdir | _filter_qemu \
| _filter_qemu_io | _filter_qmp
fi
rm -f "${QEMU_FIFO_IN}_${i}" "${QEMU_FIFO_OUT}_${i}"
eval "exec ${QEMU_IN[$i]}<&-" # close file descriptors
eval "exec ${QEMU_OUT[$i]}<&-"