Add missing include for ssize_t on Cygwin
[lttng-tools.git] / include / lttng / condition / evaluation.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_EVALUATION_H
19 #define LTTNG_EVALUATION_H
20
21 #include <lttng/condition/condition.h>
22
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26
27 struct lttng_evaluation;
28
29 enum lttng_evaluation_status {
30 LTTNG_EVALUATION_STATUS_OK = 0,
31 LTTNG_EVALUATION_STATUS_ERROR = -1,
32 LTTNG_EVALUATION_STATUS_INVALID = -2,
33 LTTNG_EVALUATION_STATUS_UNKNOWN = -3,
34 LTTNG_EVALUATION_STATUS_UNSET = -4,
35 };
36
37 /*
38 * Get the condition type associated with an evaluation.
39 *
40 * Returns the type of a condition on success, LTTNG_CONDITION_TYPE_UNKNOWN on
41 * error.
42 */
43 extern enum lttng_condition_type lttng_evaluation_get_type(
44 const struct lttng_evaluation *evaluation);
45
46 /*
47 * Destroy (frees) an evaluation object.
48 */
49 extern void lttng_evaluation_destroy(struct lttng_evaluation *evaluation);
50
51 #ifdef __cplusplus
52 }
53 #endif
54
55 #endif /* LTTNG_EVALUATION_H */
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