[gegl] operation: Move the hash table creation to gegl_init

[Michael Henning <mhenning src gnome org>]

commit 2aaacd4b7e78d369ace88713e03373581e003fe9
Author: Michael Henning <drawoc darkrefraction com>
Date:   Tue Aug 6 22:46:59 2013 -0400

    operation: Move the hash table creation to gegl_init
    
    This time, call it from gegl_post_parse_hook

 gegl/gegl-init.c                 |    2 ++
 gegl/operation/gegl-operations.c |   21 +++++++++++----------
 gegl/operation/gegl-operations.h |    1 +
 3 files changed, 14 insertions(+), 10 deletions(-)
---
diff --git a/gegl/gegl-init.c b/gegl/gegl-init.c
index fb07890..01db56b 100644
--- a/gegl/gegl-init.c
+++ b/gegl/gegl-init.c
@@ -559,6 +559,8 @@ gegl_post_parse_hook (GOptionContext *context,
 
   GEGL_INSTRUMENT_START();
 
+  gegl_operation_gtype_init ();
+
   if (!module_db)
     {
       const gchar *gegl_path = g_getenv ("GEGL_PATH");
diff --git a/gegl/operation/gegl-operations.c b/gegl/operation/gegl-operations.c
index 5a6d340..410dbda 100644
--- a/gegl/operation/gegl-operations.c
+++ b/gegl/operation/gegl-operations.c
@@ -48,12 +48,6 @@ gegl_operation_class_register_name (GeglOperationClass *klass,
 
   G_LOCK (gtype_hash);
 
-  /* FIXME: Maybe move initialization to gegl_init()? */
-  if (!gtype_hash)
-    {
-      gtype_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
-    }
-
   check_type = (GType) g_hash_table_lookup (gtype_hash, name);
   if (check_type && check_type != this_type)
     {
@@ -109,10 +103,6 @@ gegl_operation_gtype_from_name (const gchar *name)
       gtype_hash_serial = latest_serial;
     }
 
-  /* should only happen if no operations are found */
-  if (!gtype_hash)
-    return G_TYPE_INVALID;
-
   return (GType) g_hash_table_lookup (gtype_hash, name);
 }
 
@@ -161,6 +151,17 @@ gchar **gegl_list_operations (guint *n_operations_p)
 }
 
 void
+gegl_operation_gtype_init (void)
+{
+  G_LOCK (gtype_hash);
+
+  if (!gtype_hash)
+    gtype_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
+
+  G_UNLOCK (gtype_hash);
+}
+
+void
 gegl_operation_gtype_cleanup (void)
 {
   G_LOCK (gtype_hash);
diff --git a/gegl/operation/gegl-operations.h b/gegl/operation/gegl-operations.h
index 821ae07..58c373a 100644
--- a/gegl/operation/gegl-operations.h
+++ b/gegl/operation/gegl-operations.h
@@ -27,6 +27,7 @@
  */
 GType      gegl_operation_gtype_from_name   (const gchar *name);
 gchar   ** gegl_list_operations             (guint *n_operations_p);
+void       gegl_operation_gtype_init        (void);
 void       gegl_operation_gtype_cleanup     (void);
 
 void       gegl_operation_class_register_name (GeglOperationClass *klass,