--- /dev/null
+#ifndef _BABELTRACE_CALLBACKS_INTERNAL_H
+#define _BABELTRACE_CALLBACKS_INTERNAL_H
+
+/*
+ * BabelTrace
+ *
+ * Internal callbacks header
+ *
+ * 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 <glib.h>
+#include <babeltrace/ctf/events.h>
+
+struct bt_callback {
+ int prio; /* Callback order priority. Lower first. Dynamically assigned from dependency graph. */
+ void *private_data;
+ int flags;
+ struct bt_dependencies *depends;
+ struct bt_dependencies *weak_depends;
+ struct bt_dependencies *provides;
+ enum bt_cb_ret (*callback)(struct bt_ctf_event *ctf_data,
+ void *private_data);
+};
+
+struct bt_callback_chain {
+ GArray *callback; /* Array of struct bt_callback, ordered by priority */
+};
+
+/*
+ * per id callbacks need to be per stream class because event ID vs
+ * event name mapping can vary from stream to stream.
+ */
+struct bt_stream_callbacks {
+ GArray *per_id_callbacks; /* Array of struct bt_callback_chain */
+};
+
+struct bt_dependencies {
+ GArray *deps; /* Array of GQuarks */
+ int refcount; /* free when decremented to 0 */
+};
+
+BT_HIDDEN
+void process_callbacks(struct bt_ctf_iter *iter, struct ctf_stream_definition *stream);
+
+#endif /* _BABELTRACE_CALLBACKS_INTERNAL_H */