girepository: Use g_atomic for refcounting

They could be freed in separate threads (e.g. language binding GC
thread).  But no particular reason to change other than noticing it
during code inspection for a different bug.

https://bugzilla.gnome.org/show_bug.cgi?id=688694

1 files changed, 7 insertions, 2 deletions

diff --git a/girepository/girepository-private.h b/girepository/girepository-private.h
index 275776d8..bbd34e3e 100644
--- a/girepository/girepository-private.h
+++ b/girepository/girepository-private.h
@@ -33,6 +33,11 @@
 
 typedef struct _GIRealInfo GIRealInfo;
 
+/* We changed a gint32 -> gint in the structure below, which should be
+ * valid everywhere we care about.
+ */
+G_STATIC_ASSERT (sizeof (int) == sizeof (gint32));
+
 /*
  * We just use one structure for all of the info object
  * types; in general, we should be reading data directly
@@ -43,7 +48,7 @@ struct _GIRealInfo
 {
   /* Keep this part in sync with GIUnresolvedInfo below */
   gint32 type;
-  gint32 ref_count;
+  volatile gint ref_count;
   GIRepository *repository;
   GIBaseInfo *container;
 
@@ -62,7 +67,7 @@ struct _GIUnresolvedInfo
 {
   /* Keep this part in sync with GIBaseInfo above */
   gint32 type;
-  gint32 ref_count;
+  volatile gint ref_count;
   GIRepository *repository;
   GIBaseInfo *container;