|  | #!/usr/bin/env python3 | 
|  | # group: quick | 
|  | # | 
|  | # Regression test for throttle group member unregister segfault with iothread | 
|  | # | 
|  | # Copyright (c) 2019 Red Hat, Inc. | 
|  | # | 
|  | # This program is free software; you can redistribute it and/or modify | 
|  | # it under the terms of the GNU General Public License as published by | 
|  | # the Free Software Foundation; either version 2 of the License, or | 
|  | # (at your option) any later version. | 
|  | # | 
|  | # This program is distributed in the hope that it will be useful, | 
|  | # but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
|  | # GNU General Public License for more details. | 
|  | # | 
|  | # You should have received a copy of the GNU General Public License | 
|  | # along with this program.  If not, see <http://www.gnu.org/licenses/>. | 
|  | # | 
|  |  | 
|  | import sys | 
|  | import os | 
|  | import iotests | 
|  | from iotests import log | 
|  |  | 
|  | iotests.script_initialize() | 
|  |  | 
|  | vm = iotests.VM() | 
|  | vm.launch() | 
|  |  | 
|  | log(vm.qmp('blockdev-add', node_name='hd0', driver='null-co', read_zeroes=True)) | 
|  | log(vm.qmp('object-add', qom_type='iothread', id='iothread0')) | 
|  | log(vm.qmp('device_add', id='scsi0', driver='virtio-scsi', iothread='iothread0')) | 
|  | log(vm.qmp('device_add', id='scsi-hd0', driver='scsi-hd', drive='hd0')) | 
|  | log(vm.qmp('block_set_io_throttle', id='scsi-hd0', bps=0, bps_rd=0, bps_wr=0, | 
|  | iops=1000, iops_rd=0, iops_wr=0, conv_keys=False)) | 
|  | log(vm.qmp('device_del', id='scsi-hd0')) | 
|  |  | 
|  | vm.shutdown() |