[glib] Add g_dbus_object_manager_server_is_exported()

[Matthew Barnes <mbarnes src gnome org>]

commit 49e50757076b589bd21274221b3f69f7b2b785f3
Author: Matthew Barnes <mbarnes redhat com>
Date:   Thu Jun 21 23:39:14 2012 -0400

    Add g_dbus_object_manager_server_is_exported()
    
    Returns whether a GDBusObjectSkeleton is exported on a
    GDBusObjectManagerServer.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=678539

 docs/reference/gio/gio-sections.txt |    1 +
 gio/gdbusobjectmanagerserver.c      |   34 ++++++++++++++++++++++++++++++++++
 gio/gdbusobjectmanagerserver.h      |    2 ++
 gio/gio.symbols                     |    1 +
 4 files changed, 38 insertions(+), 0 deletions(-)
---
diff --git a/docs/reference/gio/gio-sections.txt b/docs/reference/gio/gio-sections.txt
index 5e25b5d..79b5dfc 100644
--- a/docs/reference/gio/gio-sections.txt
+++ b/docs/reference/gio/gio-sections.txt
@@ -3652,6 +3652,7 @@ g_dbus_object_manager_server_get_connection
 g_dbus_object_manager_server_set_connection
 g_dbus_object_manager_server_export
 g_dbus_object_manager_server_export_uniquely
+g_dbus_object_manager_server_is_exported
 g_dbus_object_manager_server_unexport
 <SUBSECTION Standard>
 G_DBUS_OBJECT_MANAGER_SERVER
diff --git a/gio/gdbusobjectmanagerserver.c b/gio/gdbusobjectmanagerserver.c
index cc436f8..4802c65 100644
--- a/gio/gdbusobjectmanagerserver.c
+++ b/gio/gdbusobjectmanagerserver.c
@@ -598,6 +598,40 @@ g_dbus_object_manager_server_export_uniquely (GDBusObjectManagerServer *manager,
 
 }
 
+/**
+ * g_dbus_object_manager_server_is_exported:
+ * @manager: A #GDBusObjectManagerServer.
+ * @object: An object.
+ *
+ * Returns whether @object is currently exported on @manager.
+ *
+ * Returns: %TRUE if @object is exported
+ *
+ * Since: 2.34
+ **/
+gboolean
+g_dbus_object_manager_server_is_exported (GDBusObjectManagerServer *manager,
+                                          GDBusObjectSkeleton      *object)
+{
+  RegistrationData *data = NULL;
+  const gchar *object_path;
+  gboolean object_is_exported;
+
+  g_return_val_if_fail (G_IS_DBUS_OBJECT_MANAGER_SERVER (manager), FALSE);
+  g_return_val_if_fail (G_IS_DBUS_OBJECT (object), FALSE);
+
+  g_mutex_lock (&manager->priv->lock);
+
+  object_path = g_dbus_object_get_object_path (G_DBUS_OBJECT (object));
+  if (object_path != NULL)
+    data = g_hash_table_lookup (manager->priv->map_object_path_to_data, object_path);
+  object_is_exported = (data != NULL);
+
+  g_mutex_unlock (&manager->priv->lock);
+
+  return object_is_exported;
+}
+
 /* ---------------------------------------------------------------------------------------------------- */
 
 static gboolean
diff --git a/gio/gdbusobjectmanagerserver.h b/gio/gdbusobjectmanagerserver.h
index 5abe00f..90668dd 100644
--- a/gio/gdbusobjectmanagerserver.h
+++ b/gio/gdbusobjectmanagerserver.h
@@ -77,6 +77,8 @@ void                      g_dbus_object_manager_server_export              (GDBu
                                                                             GDBusObjectSkeleton       *object);
 void                      g_dbus_object_manager_server_export_uniquely     (GDBusObjectManagerServer  *manager,
                                                                             GDBusObjectSkeleton       *object);
+gboolean                  g_dbus_object_manager_server_is_exported         (GDBusObjectManagerServer  *manager,
+                                                                            GDBusObjectSkeleton       *object);
 gboolean                  g_dbus_object_manager_server_unexport            (GDBusObjectManagerServer  *manager,
                                                                             const gchar               *object_path);
 
diff --git a/gio/gio.symbols b/gio/gio.symbols
index c30c8d1..fcba6a3 100644
--- a/gio/gio.symbols
+++ b/gio/gio.symbols
@@ -1644,6 +1644,7 @@ g_dbus_object_manager_client_new_for_bus_sync
 g_dbus_object_manager_client_new_sync
 g_dbus_object_manager_server_export
 g_dbus_object_manager_server_export_uniquely
+g_dbus_object_manager_server_is_exported
 g_dbus_object_manager_server_get_connection
 g_dbus_object_manager_server_set_connection
 g_dbus_object_manager_server_get_type