Use atomic boxing instead of manual refcounting

Artisanal, homegrown, locally sourced, vegan reference counting has been
replaced by the appropriate API in GLib, which does small things like
saturation and type checking.

1 files changed, 4 insertions, 11 deletions

diff --git a/gsk/gsktransform.c b/gsk/gsktransform.c
index 1dfd9b9740..428132bdfb 100644
--- a/gsk/gsktransform.c
+++ b/gsk/gsktransform.c
@@ -42,8 +42,7 @@ typedef struct _GskTransformClass GskTransformClass;
 struct _GskTransform
 {
   const GskTransformClass *transform_class;
-  
-  volatile int ref_count;
+
   GskTransformCategory category;
   GskTransform *next;
 };
@@ -113,10 +112,9 @@ gsk_transform_alloc (const GskTransformClass *transform_class,
 
   g_return_val_if_fail (transform_class != NULL, NULL);
 
-  self = g_malloc0 (transform_class->struct_size);
+  self = g_atomic_rc_box_alloc0 (transform_class->struct_size);
 
   self->transform_class = transform_class;
-  self->ref_count = 1;
   self->category = next ? MIN (category, next->category) : category;
   self->next = gsk_transform_is_identity (next) ? NULL : next;
 
@@ -1217,8 +1215,6 @@ gsk_transform_finalize (GskTransform *self)
   self->transform_class->finalize (self);
 
   gsk_transform_unref (self->next);
-
-  g_free (self);
 }
 
 /**
@@ -1235,9 +1231,7 @@ gsk_transform_ref (GskTransform *self)
   if (self == NULL)
     return NULL;
 
-  g_atomic_int_inc (&self->ref_count);
-
-  return self;
+  return g_atomic_rc_box_acquire (self);
 }
 
 /**
@@ -1255,8 +1249,7 @@ gsk_transform_unref (GskTransform *self)
   if (self == NULL)
     return;
 
-  if (g_atomic_int_dec_and_test (&self->ref_count))
-    gsk_transform_finalize (self);
+  g_atomic_rc_box_release_full (self, (GDestroyNotify) gsk_transform_finalize);
 }
 
 /**