blob: e99efc3e927717cd80b89b519cccf31c2881055a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
# Copyright 2016 gRPC authors.
#
# 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 threading
from concurrent import futures
class RecordingThreadPool(futures.Executor):
"""A thread pool that records if used."""
def __init__(self, max_workers):
self._tp_executor = futures.ThreadPoolExecutor(max_workers=max_workers)
self._lock = threading.Lock()
self._was_used = False
def submit(self, fn, *args, **kwargs):
with self._lock:
self._was_used = True
self._tp_executor.submit(fn, *args, **kwargs)
def was_used(self):
with self._lock:
return self._was_used
|
