[issue38780] SysLogHandler crash atexit

[Jason R. Coombs]

Jason R. Coombs <jaraco at jaraco.com> added the comment:

I've applied the patches and pushed them to https://github.com/jaraco/cpython/tree/bugfix/bpo-38780.

```
cpython master $ http https://bugs.python.org/file48933/0001-bpo-38780-Harden-socket-use-in-logging.handlers.patch | git apply
cpython master $ git commit -a -m "bpo-38780: Initialize self.socket to None early in __init__() and check for None in close() and e
mit()" --author "Erlend E. Aasland <erlend.aasland at innova.no>" --date '28 Feb 2020 22:38:12 +0100'
[master e05b7d6c52] bpo-38780: Initialize self.socket to None early in __init__() and check for None in close() and emit()
 Author: Erlend E. Aasland <erlend.aasland at innova.no>
 Date: Fri Feb 28 22:38:12 2020 +0100
 1 file changed, 7 insertions(+), 2 deletions(-)
cpython master $ http https://bugs.python.org/file48934/0002-Improve-emit.patch | git apply
cpython master $ git commit -a -m "bpo-38780: Address uncertainty in handling of emit() case." --author "Erlend E. Aasland <erlend.a
asland at innova.no>" --date '28 Feb 2020 23:22:58 +0100'
[master 045b6381b5] bpo-38780: Address uncertainty in handling of emit() case.
 Author: Erlend E. Aasland <erlend.aasland at innova.no>
 Date: Fri Feb 28 23:22:58 2020 +0100
 1 file changed, 7 insertions(+), 5 deletions(-)
cpython master $ git checkout -b bugfix/bpo-38780
Switched to a new branch 'bugfix/bpo-38780'
cpython bugfix/bpo-38780 $ gpj
To https://github.com/jaraco/cpython
 * [new branch]            bugfix/bpo-38780 -> bugfix/bpo-38780
 * [new tag]               v3.10.0a2 -> v3.10.0a2
Branch 'bugfix/bpo-38780' set up to track remote branch 'bugfix/bpo-38780' from 'jaraco'.
```

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue38780>
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