Fix: lttng-ctl: erroneous uses of LTTNG_PACKED
[lttng-tools.git] / include / lttng / snapshot-internal.h
1 /*
2 * Copyright (C) 2013 David Goulet <dgoulet@efficios.com>
3 *
4 * SPDX-License-Identifier: LGPL-2.1-only
5 *
6 */
7
8 #ifndef LTTNG_SNAPSHOT_INTERNAL_ABI_H
9 #define LTTNG_SNAPSHOT_INTERNAL_ABI_H
10
11 #include <limits.h>
12 #include <stdint.h>
13 #include <lttng/constant.h>
14 #include <common/macros.h>
15
16 /*
17 * Object used for the snapshot API. This is opaque to the public library.
18 */
19 struct lttng_snapshot_output {
20 /*
21 * ID of the snapshot output. This is only used when they are listed. It is
22 * assigned by the session daemon so when adding an output, this value will
23 * not be used.
24 */
25 uint32_t id;
26 /*
27 * Maximum size in bytes of the snapshot meaning the total size of all
28 * stream combined. A value of 0 is unlimited.
29 */
30 uint64_t max_size;
31 /* Name of the output so it can be recognized easily when listing them. */
32 char name[LTTNG_NAME_MAX];
33 /* Destination of the output. See lttng(1) for URL format. */
34 char ctrl_url[PATH_MAX];
35 /* Destination of the output. See lttng(1) for URL format. */
36 char data_url[PATH_MAX];
37 } LTTNG_PACKED;
38
39 /*
40 * Snapshot output list object opaque to the user.
41 */
42 struct lttng_snapshot_output_list {
43 /*
44 * The position in the output array. This is changed by a get_next call.
45 */
46 int index;
47
48 /*
49 * Number of element in the array.
50 */
51 size_t count;
52
53 /*
54 * Contains snapshot output object.
55 */
56 struct lttng_snapshot_output *array;
57 };
58
59 #endif /* LTTNG_SNAPSHOT_INTERNAL_ABI_H */
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