qinling/qinling_tempest_plugin/functions/python/test_python_process_limit.py

42 lines
1.2 KiB
Python

# Copyright 2017 Catalyst IT Ltd
#
# 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.
from multiprocessing import Process
import resource
import time
def main(number=10, **kwargs):
soft, hard = resource.getrlimit(resource.RLIMIT_NPROC)
print('(soft, hard): %20s %20s' % (soft, hard))
# We set a small number inside the function to avoid being affected by
# outside.
resource.setrlimit(resource.RLIMIT_NPROC, (number, hard))
processes = []
for i in range(0, number+1):
p = Process(
target=_sleep,
args=(i,)
)
p.start()
processes.append(p)
for p in processes:
p.join()
def _sleep(index):
time.sleep(10)