API : split iterator headers from babeltrace.h
[babeltrace.git] / include / babeltrace / callbacks-internal.h
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1#ifndef _BABELTRACE_CALLBACKS_INTERNAL_H
2#define _BABELTRACE_CALLBACKS_INTERNAL_H
3
4/*
5 * BabelTrace
6 *
7 * Internal callbacks header
8 *
9 * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
10 *
11 * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
12 *
13 * Permission is hereby granted, free of charge, to any person obtaining a copy
14 * of this software and associated documentation files (the "Software"), to deal
15 * in the Software without restriction, including without limitation the rights
16 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
17 * copies of the Software, and to permit persons to whom the Software is
18 * furnished to do so, subject to the following conditions:
19 *
20 * The above copyright notice and this permission notice shall be included in
21 * all copies or substantial portions of the Software.
22 */
23
24struct bt_callback {
25 int prio; /* Callback order priority. Lower first. Dynamically assigned from dependency graph. */
26 void *private_data;
27 int flags;
28 struct bt_dependencies *depends;
29 struct bt_dependencies *weak_depends;
30 struct bt_dependencies *provides;
31 enum bt_cb_ret (*callback)(struct bt_ctf_data *ctf_data,
32 void *private_data);
33};
34
35struct bt_callback_chain {
36 GArray *callback; /* Array of struct bt_callback, ordered by priority */
37};
38
39/*
40 * per id callbacks need to be per stream class because event ID vs
41 * event name mapping can vary from stream to stream.
42 */
43struct bt_stream_callbacks {
44 GArray *per_id_callbacks; /* Array of struct bt_callback_chain */
45};
46
47struct bt_dependencies {
48 GArray *deps; /* Array of GQuarks */
49 int refcount; /* free when decremented to 0 */
50};
51
52void process_callbacks(struct babeltrace_iter *iter,
53 struct ctf_stream *stream);
54
55#endif /* _BABELTRACE_CALLBACKS_INTERNAL_H */
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