Issue #13854: Properly handle non-integer, non-string arg to SystemExit
Previously multiprocessing only expected int or str. It also wrongly
used an exit code of 1 when the argument was a string instead of zero.
diff --git a/Lib/multiprocessing/process.py b/Lib/multiprocessing/process.py
index 2b61ee9..3262b50 100644
--- a/Lib/multiprocessing/process.py
+++ b/Lib/multiprocessing/process.py
@@ -271,11 +271,11 @@
except SystemExit as e:
if not e.args:
exitcode = 1
- elif type(e.args[0]) is int:
+ elif isinstance(e.args[0], int):
exitcode = e.args[0]
else:
- sys.stderr.write(e.args[0] + '\n')
- exitcode = 1
+ sys.stderr.write(str(e.args[0]) + '\n')
+ exitcode = 0 if isinstance(e.args[0], str) else 1
except:
exitcode = 1
import traceback