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# Copyright (c) 2017 Intel Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import logging
import multiprocessing
import os
LOG = logging.getLogger(__name__)
def check_if_process_failed(proc, timeout=1):
if proc is not None:
proc.join(timeout)
# Only abort if the process aborted
if proc.exitcode is not None and proc.exitcode > 0:
raise RuntimeError("{} exited with status {}".format(proc.name, proc.exitcode))
def terminate_children(timeout=3):
current_proccess = multiprocessing.current_process()
active_children = multiprocessing.active_children()
if not active_children:
LOG.debug("no children to terminate")
return
for child in active_children:
LOG.debug("%s %s %s, child: %s %s", current_proccess.name, current_proccess.pid,
os.getpid(), child, child.pid)
LOG.debug("joining %s", child)
child.join(timeout)
child.terminate()
active_children = multiprocessing.active_children()
if not active_children:
LOG.debug("no children to terminate")
for child in active_children:
LOG.debug("%s %s %s, after terminate child: %s %s", current_proccess.name,
current_proccess.pid, os.getpid(), child, child.pid)
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