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1 | #ifndef _UST_PROBE_H |
2 | #define _UST_PROBE_H | |
3 | ||
4 | /* | |
5 | * Copyright (C) 2009 Pierre-Marc Fournier | |
6 | * | |
7 | * This library is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU Lesser General Public | |
9 | * License as published by the Free Software Foundation; either | |
10 | * version 2.1 of the License, or (at your option) any later version. | |
11 | * | |
12 | * This library is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * Lesser General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU Lesser General Public | |
18 | * License along with this library; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
20 | * | |
21 | */ | |
22 | ||
23 | /* Maximum number of callbacks per marker */ | |
24 | #define LTT_NR_CALLBACKS 10 | |
25 | ||
26 | struct ltt_serialize_closure; | |
27 | ||
28 | typedef size_t (*ltt_serialize_cb)(struct ust_buffer *buf, size_t buf_offset, | |
29 | struct ltt_serialize_closure *closure, | |
30 | void *serialize_private, int *largest_align, | |
31 | const char *fmt, va_list *args); | |
32 | ||
33 | struct ltt_available_probe { | |
34 | const char *name; /* probe name */ | |
35 | const char *format; | |
36 | marker_probe_func *probe_func; | |
37 | ltt_serialize_cb callbacks[LTT_NR_CALLBACKS]; | |
38 | struct list_head node; /* registered probes list */ | |
39 | }; | |
40 | ||
41 | extern int ltt_probe_register(struct ltt_available_probe *pdata); | |
42 | extern int ltt_probe_unregister(struct ltt_available_probe *pdata); | |
43 | extern int ltt_marker_connect(const char *channel, const char *mname, | |
44 | const char *pname); | |
45 | extern int ltt_marker_disconnect(const char *channel, const char *mname, | |
46 | const char *pname); | |
47 | ||
48 | #endif /* _UST_PROBE_H */ |