Cleanup: enforce const-correctness in notification thread
[lttng-tools.git] / include / lttng / notification / notification-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_NOTIFICATION_INTERNAL_H
19 #define LTTNG_NOTIFICATION_INTERNAL_H
20
21 #include <lttng/notification/notification.h>
22 #include <common/macros.h>
23 #include <common/buffer-view.h>
24 #include <common/dynamic-buffer.h>
25 #include <stdint.h>
26 #include <stdbool.h>
27 #include <sys/types.h>
28
29 struct lttng_notification {
30 struct lttng_condition *condition;
31 struct lttng_evaluation *evaluation;
32 };
33
34 struct lttng_notification_comm {
35 /* Size of the payload following this field. */
36 uint32_t length;
37 /* Condition and evaluation objects follow. */
38 char payload[];
39 } LTTNG_PACKED;
40
41 LTTNG_HIDDEN
42 struct lttng_notification *lttng_notification_create(
43 struct lttng_condition *condition,
44 struct lttng_evaluation *evaluation);
45
46 LTTNG_HIDDEN
47 int lttng_notification_serialize(const struct lttng_notification *notification,
48 struct lttng_dynamic_buffer *buf);
49
50 LTTNG_HIDDEN
51 ssize_t lttng_notification_create_from_buffer(
52 const struct lttng_buffer_view *view,
53 struct lttng_notification **notification);
54
55 #endif /* LTTNG_NOTIFICATION_INTERNAL_H */
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