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Use multiprocessing start_method "spawn" #4305

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Use multiprocessing start_method "spawn" #4305

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02bf5c9
Use `multiprocessing` `start_method` `"spawn"`
rwgk Nov 1, 2022
14e6371
Use `multiprocessing.set_start_method("spawn")` in conftest.py (very …
rwgk Nov 2, 2022
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5 changes: 5 additions & 0 deletions tests/conftest.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,8 @@
import contextlib
import difflib
import gc
import multiprocessing
import os
import re
import textwrap

Expand All @@ -15,6 +17,9 @@
# Early diagnostic for failed imports
import pybind11_tests

if os.name != "nt":
multiprocessing.set_start_method("spawn")

_long_marker = re.compile(r"([0-9])L")
_hexadecimal = re.compile(r"0x[0-9a-fA-F]+")

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2 changes: 1 addition & 1 deletion tests/test_gil_scoped.py
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Expand Up @@ -144,7 +144,7 @@ def _intentional_deadlock():


ALL_BASIC_TESTS_PLUS_INTENTIONAL_DEADLOCK = ALL_BASIC_TESTS + (_intentional_deadlock,)
SKIP_IF_DEADLOCK = True # See PR #4216
SKIP_IF_DEADLOCK = False # See PR #4216


def _run_in_process(target, *args, **kwargs):
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