From 159ffe3bc335b27bf74ceee25c0d0fae9f13d6da Mon Sep 17 00:00:00 2001
From: wiredfool <eric-github@soroos.net>
Date: Mon, 3 Feb 2025 20:34:40 +0000
Subject: [PATCH] Fix mutex for Free-tread pythons

---
 src/libImaging/Arrow.c   | 12 ++++++------
 src/libImaging/Storage.c |  6 +++---
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/src/libImaging/Arrow.c b/src/libImaging/Arrow.c
index 29aadb5e1..493c2a87e 100644
--- a/src/libImaging/Arrow.c
+++ b/src/libImaging/Arrow.c
@@ -165,9 +165,9 @@ export_single_channel_array(Imaging im, struct ArrowArray *array) {
         length = im->xsize * im->lines_per_block;
     }
 
-    MUTEX_LOCK(im->mutex);
+    MUTEX_LOCK(&im->mutex);
     im->refcount++;
-    MUTEX_UNLOCK(im->mutex);
+    MUTEX_UNLOCK(&im->mutex);
     // Initialize primitive fields
     *array = (struct ArrowArray){// Data description
                                  .length = length,
@@ -208,9 +208,9 @@ export_fixed_pixel_array(Imaging im, struct ArrowArray *array) {
         length = im->xsize * im->lines_per_block;
     }
 
-    MUTEX_LOCK(im->mutex);
+    MUTEX_LOCK(&im->mutex);
     im->refcount++;
-    MUTEX_UNLOCK(im->mutex);
+    MUTEX_UNLOCK(&im->mutex);
     // Initialize primitive fields
     // Fixed length arrays are 1 buffer of validity, and the length in pixels.
     // Data is in a child array.
@@ -246,9 +246,9 @@ export_fixed_pixel_array(Imaging im, struct ArrowArray *array) {
         goto err;
     }
 
-    MUTEX_LOCK(im->mutex);
+    MUTEX_LOCK(&im->mutex);
     im->refcount++;
-    MUTEX_UNLOCK(im->mutex);
+    MUTEX_UNLOCK(&im->mutex);
     *array->children[0] = (struct ArrowArray){// Data description
                                               .length = length * 4,
                                               .offset = 0,
diff --git a/src/libImaging/Storage.c b/src/libImaging/Storage.c
index 76e5108af..4ee1af436 100644
--- a/src/libImaging/Storage.c
+++ b/src/libImaging/Storage.c
@@ -299,14 +299,14 @@ ImagingDelete(Imaging im) {
         return;
     }
 
-    MUTEX_LOCK(im->mutex);
+    MUTEX_LOCK(&im->mutex);
     im->refcount--;
 
     if (im->refcount > 0) {
-        MUTEX_UNLOCK(im->mutex);
+        MUTEX_UNLOCK(&im->mutex);
         return;
     }
-    MUTEX_UNLOCK(im->mutex);
+    MUTEX_UNLOCK(&im->mutex);
 
     if (im->palette) {
         ImagingPaletteDelete(im->palette);