b76f82e180ce8ea208ef0b0a7508470a3fcb6872
[babeltrace.git] / include / babeltrace / ctf / callbacks-internal.h
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
24 #include <glib.h>
25 #include <babeltrace/ctf/events.h>
26
27 struct bt_callback {
28 int prio; /* Callback order priority. Lower first. Dynamically assigned from dependency graph. */
29 void *private_data;
30 int flags;
31 struct bt_dependencies *depends;
32 struct bt_dependencies *weak_depends;
33 struct bt_dependencies *provides;
34 enum bt_cb_ret (*callback)(struct bt_ctf_event *ctf_data,
35 void *private_data);
36 };
37
38 struct bt_callback_chain {
39 GArray *callback; /* Array of struct bt_callback, ordered by priority */
40 };
41
42 /*
43 * per id callbacks need to be per stream class because event ID vs
44 * event name mapping can vary from stream to stream.
45 */
46 struct bt_stream_callbacks {
47 GArray *per_id_callbacks; /* Array of struct bt_callback_chain */
48 };
49
50 struct bt_dependencies {
51 GArray *deps; /* Array of GQuarks */
52 int refcount; /* free when decremented to 0 */
53 };
54
55 void process_callbacks(struct bt_ctf_iter *iter, struct ctf_stream_definition *stream);
56
57 #endif /* _BABELTRACE_CALLBACKS_INTERNAL_H */
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