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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 | ||
24 | struct 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 | ||
35 | struct 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 | */ | |
43 | struct bt_stream_callbacks { | |
44 | GArray *per_id_callbacks; /* Array of struct bt_callback_chain */ | |
45 | }; | |
46 | ||
47 | struct bt_dependencies { | |
48 | GArray *deps; /* Array of GQuarks */ | |
49 | int refcount; /* free when decremented to 0 */ | |
50 | }; | |
51 | ||
52 | void process_callbacks(struct babeltrace_iter *iter, | |
53 | struct ctf_stream *stream); | |
54 | ||
55 | #endif /* _BABELTRACE_CALLBACKS_INTERNAL_H */ |