summaryrefslogtreecommitdiff
path: root/engine/dconf-engine-source-file.c
diff options
context:
space:
mode:
Diffstat (limited to 'engine/dconf-engine-source-file.c')
-rw-r--r--engine/dconf-engine-source-file.c77
1 files changed, 77 insertions, 0 deletions
diff --git a/engine/dconf-engine-source-file.c b/engine/dconf-engine-source-file.c
new file mode 100644
index 0000000..d5a7284
--- /dev/null
+++ b/engine/dconf-engine-source-file.c
@@ -0,0 +1,77 @@
+/*
+ * Copyright © 2010 Codethink Limited
+ * Copyright © 2012 Canonical Limited
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the licence, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author: Ryan Lortie <desrt@desrt.ca>
+ */
+
+#include "config.h"
+
+#include "dconf-engine-source-private.h"
+
+#include <sys/mman.h>
+#include <fcntl.h>
+#include <errno.h>
+
+static void
+dconf_engine_source_file_init (DConfEngineSource *source)
+{
+ source->bus_type = G_BUS_TYPE_NONE;
+ source->bus_name = NULL;
+ source->object_path = NULL;
+}
+
+static gboolean
+dconf_engine_source_file_needs_reopen (DConfEngineSource *source)
+{
+ return !source->values;
+}
+
+static GvdbTable *
+dconf_engine_source_file_reopen (DConfEngineSource *source)
+{
+ GError *error = NULL;
+ GvdbTable *table;
+
+ table = gvdb_table_new (source->name, FALSE, &error);
+
+ if (table == NULL)
+ {
+ if (!source->did_warn)
+ {
+ g_warning ("unable to open file '%s': %s; expect degraded performance", source->name, error->message);
+ source->did_warn = TRUE;
+ }
+
+ g_error_free (error);
+ }
+
+ return table;
+}
+
+static void
+dconf_engine_source_file_finalize (DConfEngineSource *source)
+{
+}
+
+G_GNUC_INTERNAL
+const DConfEngineSourceVTable dconf_engine_source_file_vtable = {
+ .instance_size = sizeof (DConfEngineSource),
+ .init = dconf_engine_source_file_init,
+ .finalize = dconf_engine_source_file_finalize,
+ .needs_reopen = dconf_engine_source_file_needs_reopen,
+ .reopen = dconf_engine_source_file_reopen
+};