Add missing include for ssize_t on Cygwin
[lttng-tools.git] / include / lttng / condition / condition-internal.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_INTERNAL_H
19 #define LTTNG_CONDITION_INTERNAL_H
20
21 #include <lttng/condition/condition.h>
22 #include <common/macros.h>
23 #include <common/buffer-view.h>
24 #include <stdbool.h>
25 #include <urcu/list.h>
26 #include <stdint.h>
27 #include <sys/types.h>
28
29 typedef void (*condition_destroy_cb)(struct lttng_condition *condition);
30 typedef bool (*condition_validate_cb)(const struct lttng_condition *condition);
31 typedef ssize_t (*condition_serialize_cb)(
32 const struct lttng_condition *condition, char *buf);
33 typedef bool (*condition_equal_cb)(const struct lttng_condition *a,
34 const struct lttng_condition *b);
35 typedef ssize_t (*condition_create_from_buffer_cb)(
36 const struct lttng_buffer_view *view,
37 struct lttng_condition **condition);
38
39 struct lttng_condition {
40 enum lttng_condition_type type;
41 condition_validate_cb validate;
42 condition_serialize_cb serialize;
43 condition_equal_cb equal;
44 condition_destroy_cb destroy;
45 };
46
47 struct lttng_condition_comm {
48 /* enum lttng_condition_type */
49 int8_t condition_type;
50 char payload[];
51 };
52
53 LTTNG_HIDDEN
54 void lttng_condition_init(struct lttng_condition *condition,
55 enum lttng_condition_type type);
56
57 LTTNG_HIDDEN
58 bool lttng_condition_validate(const struct lttng_condition *condition);
59
60 LTTNG_HIDDEN
61 ssize_t lttng_condition_create_from_buffer(
62 const struct lttng_buffer_view *buffer,
63 struct lttng_condition **condition);
64
65 LTTNG_HIDDEN
66 ssize_t lttng_condition_serialize(const struct lttng_condition *condition,
67 char *buf);
68
69 LTTNG_HIDDEN
70 bool lttng_condition_is_equal(const struct lttng_condition *a,
71 const struct lttng_condition *b);
72
73 #endif /* LTTNG_CONDITION_INTERNAL_H */
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