3cecfc1dd8b3f99f3afdb505935775dd901ef4f8
[lttng-tools.git] / include / lttng / condition / condition.h
1 /*
2 * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
3 *
4 * This library is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU Lesser General Public License, version 2.1 only,
6 * as published by the Free Software Foundation.
7 *
8 * This library is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
11 * for more details.
12 *
13 * You should have received a copy of the GNU Lesser General Public License
14 * along with this library; if not, write to the Free Software Foundation,
15 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
16 */
17
18 #ifndef LTTNG_CONDITION_H
19 #define LTTNG_CONDITION_H
20
21 #ifdef __cplusplus
22 extern "C" {
23 #endif
24
25 struct lttng_condition;
26
27 enum lttng_condition_type {
28 LTTNG_CONDITION_TYPE_UNKNOWN = -1,
29 LTTNG_CONDITION_TYPE_SESSION_CONSUMED_SIZE = 100,
30 LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH = 101,
31 LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW = 102,
32 LTTNG_CONDITION_TYPE_SESSION_ROTATION_ONGOING = 103,
33 LTTNG_CONDITION_TYPE_SESSION_ROTATION_COMPLETED = 104,
34 };
35
36 enum lttng_condition_status {
37 LTTNG_CONDITION_STATUS_OK = 0,
38 LTTNG_CONDITION_STATUS_ERROR = -1,
39 LTTNG_CONDITION_STATUS_UNKNOWN = -2,
40 LTTNG_CONDITION_STATUS_INVALID = -3,
41 LTTNG_CONDITION_STATUS_UNSET = -4,
42 };
43
44 /*
45 * Get the type of a condition.
46 *
47 * Returns the type of a condition on success, LTTNG_CONDITION_TYPE_UNKNOWN on
48 * error.
49 */
50 extern enum lttng_condition_type lttng_condition_get_type(
51 const struct lttng_condition *condition);
52
53 /*
54 * Destroy (release) a condition object.
55 */
56 extern void lttng_condition_destroy(struct lttng_condition *condition);
57
58 #ifdef __cplusplus
59 }
60 #endif
61
62 #endif /* LTTNG_CONDITION_H */
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