From 9fc88f42e04bc228f0fa359c324d0fd93cf18d7e Mon Sep 17 00:00:00 2001
From: Sam Gross <colesbury@gmail.com>
Date: Tue, 12 Mar 2024 17:49:10 +0000
Subject: [PATCH] gh-116749: Disable GIL by default in free-threaded build

Switch GIL to disabled by default in free-threaded build so that the
free-threaded CIs catch thread-safety issues.
---
 Lib/test/test_cmd_line.py | 2 +-
 Lib/test/test_embed.py    | 2 +-
 Python/initconfig.c       | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/Lib/test/test_cmd_line.py b/Lib/test/test_cmd_line.py
index 9624d35d0c3948..15932022ee111a 100644
--- a/Lib/test/test_cmd_line.py
+++ b/Lib/test/test_cmd_line.py
@@ -884,7 +884,7 @@ def test_pythondevmode_env(self):
     def test_python_gil(self):
         cases = [
             # (env, opt, expected, msg)
-            (None, None, 'None', "no options set"),
+            (None, None, '0', "no options set"),
             ('0', None, '0', "PYTHON_GIL=0"),
             ('1', None, '1', "PYTHON_GIL=1"),
             ('1', '0', '0', "-X gil=0 overrides PYTHON_GIL=1"),
diff --git a/Lib/test/test_embed.py b/Lib/test/test_embed.py
index d94c63a13b8ea4..14026095a76d6f 100644
--- a/Lib/test/test_embed.py
+++ b/Lib/test/test_embed.py
@@ -534,7 +534,7 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
     if support.Py_DEBUG:
         CONFIG_COMPAT['run_presite'] = None
     if support.Py_GIL_DISABLED:
-        CONFIG_COMPAT['enable_gil'] = -1
+        CONFIG_COMPAT['enable_gil'] = 0
     if MS_WINDOWS:
         CONFIG_COMPAT.update({
             'legacy_windows_stdio': 0,
diff --git a/Python/initconfig.c b/Python/initconfig.c
index d91a8199b544dc..d70413f21ea954 100644
--- a/Python/initconfig.c
+++ b/Python/initconfig.c
@@ -847,7 +847,7 @@ _PyConfig_InitCompatConfig(PyConfig *config)
     config->code_debug_ranges = 1;
     config->cpu_count = -1;
 #ifdef Py_GIL_DISABLED
-    config->enable_gil = _PyConfig_GIL_DEFAULT;
+    config->enable_gil = _PyConfig_GIL_DISABLE;
 #endif
 }