Remove Babeltrace 1 files and reorganize the tree

[babeltrace.git] / lib / registry.c

diff --git a/lib/registry.c b/lib/registry.c
deleted file mode 100644 (file)
index bc2be95..0000000
--- a/lib/registry.c
+++ /dev/null
@@ -1,154 +0,0 @@
-/*
- * BabelTrace
- *
- * Format Registry
- *
- * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
- *
- * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include <babeltrace/format.h>
-#include <glib.h>
-#include <errno.h>
-#include <stdio.h>
-#include <assert.h>
-
-struct walk_data {
-       FILE *fp;
-       int iter;
-};
-
-/*
- * Format registry hash table contains the registered formats. Format
- * registration is typically performed by a format plugin.
- */
-static GHashTable *format_registry;
-static int format_refcount;
-static int init_done;
-
-static __attribute__((constructor)) void format_init(void);
-
-static
-void format_refcount_inc(void)
-{
-       format_refcount++;
-}
-
-static
-void format_cleanup(void)
-{
-       if (format_registry)
-               g_hash_table_destroy(format_registry);
-}
-
-static
-void format_refcount_dec(void)
-{
-       if (!--format_refcount)
-               format_cleanup();
-}
-
-struct bt_format *bt_lookup_format(bt_intern_str name)
-{
-       if (!init_done)
-               return NULL;
-
-       return g_hash_table_lookup(format_registry,
-                                  (gconstpointer) GUINT_TO_POINTER(name));
-}
-
-static void show_format(gpointer key, gpointer value, gpointer user_data)
-{
-       struct walk_data *data = user_data;
-
-       fprintf(data->fp, "%s%s", data->iter ? ", " : "",
-               g_quark_to_string((GQuark) GPOINTER_TO_UINT(key)));
-       data->iter++;
-}
-
-void bt_fprintf_format_list(FILE *fp)
-{
-       struct walk_data data;
-
-       assert(fp);
-
-       data.fp = fp;
-       data.iter = 0;
-
-       fprintf(fp, "Formats available: ");
-       if (!init_done)
-               return;
-       g_hash_table_foreach(format_registry, show_format, &data);
-       if (data.iter == 0)
-               fprintf(fp, "<none>");
-       fprintf(fp, ".\n");
-}
-
-int bt_register_format(struct bt_format *format)
-{
-       if (!format)
-               return -EINVAL;
-
-       if (!init_done)
-               format_init();
-
-       if (bt_lookup_format(format->name))
-               return -EEXIST;
-
-       format_refcount_inc();
-       g_hash_table_insert(format_registry,
-                           GUINT_TO_POINTER(format->name),
-                           format);
-       return 0;
-}
-
-void bt_unregister_format(struct bt_format *format)
-{
-       assert(bt_lookup_format(format->name));
-       g_hash_table_remove(format_registry,
-                           GUINT_TO_POINTER(format->name));
-       format_refcount_dec();
-}
-
-/*
- * We cannot assume that the constructor and destructor order will be
- * right: another library might be loaded before us, and initialize us
- * from bt_register_format(). This is why we use a reference count to
- * handle cleanup of this module. The format_finalize destructor
- * refcount decrement matches format_init refcount increment.
- */
-static __attribute__((constructor))
-void format_init(void)
-{
-       if (init_done)
-               return;
-       format_refcount_inc();
-       format_registry = g_hash_table_new(g_direct_hash, g_direct_equal);
-       assert(format_registry);
-       init_done = 1;
-}
-
-static __attribute__((destructor))
-void format_finalize(void)
-{
-       format_refcount_dec();
-}