SoW-2019-0002: Dynamic Snapshot
[lttng-tools.git] / include / lttng / action / rotate-session-internal.h
1 /*
2 * Copyright (C) 2019 EfficiOS, Inc.
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_ACTION_ROTATE_SESSION_INTERNAL_H
19 #define LTTNG_ACTION_ROTATE_SESSION_INTERNAL_H
20
21 #include <sys/types.h>
22
23 #include <common/macros.h>
24
25 struct lttng_action;
26 struct lttng_buffer_view;
27
28 /*
29 * Create a "rotate session" action from a buffer view.
30 *
31 * On success, return the number of bytes consumed from `view`, and the created
32 * action in `*action`. On failure, return -1.
33 */
34 LTTNG_HIDDEN
35 extern ssize_t lttng_action_rotate_session_create_from_buffer(
36 const struct lttng_buffer_view *view,
37 struct lttng_action **action);
38
39 #endif /* LTTNG_ACTION_ROTATE_SESSION_INTERNAL_H */
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