query: make date range retrieval thread safe

We are accessing it from multiple threads of the search, so we need
to make sure we don't free it in the middle.

1 files changed, 16 insertions, 0 deletions

diff --git a/libnautilus-private/nautilus-query.c b/libnautilus-private/nautilus-query.c
index 2912847e2..86dbac4fa 100644
--- a/libnautilus-private/nautilus-query.c
+++ b/libnautilus-private/nautilus-query.c
@@ -506,11 +506,27 @@ nautilus_query_set_search_type (NautilusQuery           *query,
         }
 }
 
+/**
+ * nautilus_query_get_date_range:
+ * @query: a #NautilusQuery
+ *
+ * Retrieves the #GptrArray composed of #GDateTime representing the date range.
+ * This function is thread safe.
+ *
+ * Returns: (transfer full): the #GptrArray composed of #GDateTime representing the date range.
+ */
 GPtrArray*
 nautilus_query_get_date_range (NautilusQuery *query)
 {
+        static GMutex mutex;
+
         g_return_val_if_fail (NAUTILUS_IS_QUERY (query), NULL);
 
+        g_mutex_lock (&mutex);
+        if (query->date_range)
+                g_ptr_array_ref (query->date_range);
+        g_mutex_unlock (&mutex);
+
         return query->date_range;
 }