Start work on lock stuff, for threadsafe SLV2 and using SLV2 with apps that use Redland themselves.

git-svn-id: http://svn.drobilla.net/lad/slv2@621 a436a847-0d15-0410-975c-d299462d15a1

1 files changed, 25 insertions, 0 deletions

diff --git a/slv2/world.h b/slv2/world.h
index e4e135d..a133010 100644
--- a/slv2/world.h
+++ b/slv2/world.h
@@ -70,6 +70,31 @@ slv2_world_new_using_rdf_world(librdf_world* world);
 void
 slv2_world_free(SLV2World world);
 
+#if 0
+/** Set the RDF lock function.
+ *
+ * If set, this function will be called before any calls to librdf functions.
+ * This can be used to make SLV2 thread-safe.
+ *
+ * \a lock will be called with \a data as a parameter, whenever SLV2 is going
+ * to perform an RDF operation.
+ */
+void
+slv2_world_set_rdf_lock_function(SLV2World world, void (*lock)(void*), void* data);
+
+
+/** Set the unlock function.
+ *
+ * This is the counterpart to the RDF lock function set with
+ * slv2_world_set_rdf_lock_function.  Be sure to call this after locking,
+ * or a deadlock will occur.
+ *
+ * \a unlock will be called with the same data pointer set with
+ * slv2_world_set_rdf_lock_function.
+ */
+void
+slv2_world_set_rdf_unlock_function(SLV2World world, void (*unlock)(void*));
+#endif
 
 /** Load all installed LV2 bundles on the system.
  *