From: Kenta Murata <mrkn@users.noreply.github.com>
Date: Tue, 10 Sep 2019 10:29:56 +0000 (+0900)
Subject: Fix calling order of PyEval_InitThreads. (GH-4602)
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=9e61066355b4b55c873d56f5f106a22463b56862;p=python

Fix calling order of PyEval_InitThreads. (GH-4602)

As described in Doc/c-api/init.rst, PyEval_InitThreads() cannot be called
before Py_Initialize() function.
---

diff --git a/Modules/_ctypes/callbacks.c b/Modules/_ctypes/callbacks.c
index 97463b599b..d2d9a6587d 100644
--- a/Modules/_ctypes/callbacks.c
+++ b/Modules/_ctypes/callbacks.c
@@ -422,8 +422,8 @@ CThunkObject *_ctypes_alloc_callback(PyObject *callable,
 static void LoadPython(void)
 {
     if (!Py_IsInitialized()) {
-        PyEval_InitThreads();
         Py_Initialize();
+        PyEval_InitThreads();
     }
 }