actions: introduce start session action
[lttng-tools.git] / include / lttng / action / start-session-internal.h
1 /*
2 * Copyright (C) 2019 Simon Marchi <simon.marchi@efficios.com>
3 *
4 * SPDX-License-Identifier: LGPL-2.1-only
5 *
6 */
7
8 #ifndef LTTNG_ACTION_START_SESSION_INTERNAL_H
9 #define LTTNG_ACTION_START_SESSION_INTERNAL_H
10
11 #include <sys/types.h>
12
13 #include <common/macros.h>
14
15 struct lttng_action;
16 struct lttng_buffer_view;
17
18 /*
19 * Create a "start session" action from a buffer view.
20 *
21 * On success, return the number of bytes consumed from `view`, and the created
22 * action in `*action`. On failure, return -1.
23 */
24 LTTNG_HIDDEN
25 extern ssize_t lttng_action_start_session_create_from_buffer(
26 const struct lttng_buffer_view *view,
27 struct lttng_action **action);
28
29 #endif /* LTTNG_ACTION_START_SESSION_INTERNAL_H */
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