Staging
v0.5.1
v0.5.1
Revision a5cbab552d294d99fde864306632d7e511a75d3c authored by Thomas Moreau on 16 February 2020, 18:09:26 UTC, committed by GitHub on 16 February 2020, 18:09:26 UTC
As reported initially by @rad-pat in #6084, the following script causes a deadlock.
```
from concurrent.futures import ProcessPoolExecutor
class ObjectWithPickleError():
"""Triggers a RuntimeError when sending job to the workers"""
def __reduce__(self):
raise RuntimeError()
if __name__ == "__main__":
e = ProcessPoolExecutor()
f = e.submit(id, ObjectWithPickleError())
e.shutdown(wait=False)
f.result() # Deadlock on get
```
This is caused by the fact that the main process is closing communication channels that might be necessary to the `queue_management_thread` later. To avoid this, this PR let the `queue_management_thread` manage all the closing.
https://bugs.python.org/issue39104
Automerge-Triggered-By: @pitrou 1 parent 1ed6161
| File | Mode | Size |
|---|---|---|
| appendix.rst | -rw-r--r-- | 4.5 KB |
| appetite.rst | -rw-r--r-- | 4.4 KB |
| classes.rst | -rw-r--r-- | 36.3 KB |
| controlflow.rst | -rw-r--r-- | 32.2 KB |
| datastructures.rst | -rw-r--r-- | 24.0 KB |
| errors.rst | -rw-r--r-- | 16.9 KB |
| floatingpoint.rst | -rw-r--r-- | 10.9 KB |
| index.rst | -rw-r--r-- | 2.3 KB |
| inputoutput.rst | -rw-r--r-- | 18.6 KB |
| interactive.rst | -rw-r--r-- | 2.4 KB |
| interpreter.rst | -rw-r--r-- | 6.4 KB |
| introduction.rst | -rw-r--r-- | 17.5 KB |
| modules.rst | -rw-r--r-- | 23.8 KB |
| stdlib.rst | -rw-r--r-- | 11.0 KB |
| stdlib2.rst | -rw-r--r-- | 14.8 KB |
| venv.rst | -rw-r--r-- | 7.5 KB |
| whatnow.rst | -rw-r--r-- | 3.3 KB |
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