From 2bbdeb1171f8b2544a8e479021810d782fd0d02e Mon Sep 17 00:00:00 2001
From: Thomas A Caswell <tcaswell@gmail.com>
Date: Wed, 8 Nov 2023 19:41:23 -0500
Subject: [PATCH] Backport PR #27290: Ensure GIL while releasing buffer

---
 src/_macosx.m | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/_macosx.m b/src/_macosx.m
index dcb236a861f3..3e52fdf81459 100755
--- a/src/_macosx.m
+++ b/src/_macosx.m
@@ -1287,8 +1287,10 @@ - (void)setCanvas: (PyObject*)newCanvas
 }
 
 static void _buffer_release(void* info, const void* data, size_t size) {
+    PyGILState_STATE gstate = PyGILState_Ensure();
     PyBuffer_Release((Py_buffer *)info);
     free(info);
+    PyGILState_Release(gstate);
 }
 
 static int _copy_agg_buffer(CGContextRef cr, PyObject *renderer)