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bpo-29703: asyncio: Fix creating new event loops in child processes. (#404) (#410)

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This commit is contained in:
Yury Selivanov 2017-03-02 22:06:15 -05:00 • committed by GitHub
parent a6e84933d2
commit 01e5230ef0
4 changed files with 36 additions and 2 deletions
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8
Lib/asyncio/events.py
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@ -11,6 +11,7 @@ __all__ = ['AbstractEventLoopPolicy',
import functools
import inspect
import os
import reprlib
import socket
import subprocess
@ -611,6 +612,9 @@ _lock = threading.Lock()
# A TLS for the running event loop, used by _get_running_loop.
class _RunningLoop(threading.local):
_loop = None
_pid = None
_running_loop = _RunningLoop()
@ -620,7 +624,8 @@ def _get_running_loop():
This is a low-level function intended to be used by event loops.
This function is thread-specific.
"""
return _running_loop._loop
if _running_loop._pid == os.getpid():
return _running_loop._loop
def _set_running_loop(loop):
@ -629,6 +634,7 @@ def _set_running_loop(loop):
This is a low-level function intended to be used by event loops.
This function is thread-specific.
"""
_running_loop._pid = os.getpid()
_running_loop._loop = loop