actions: introduce lttng_action_init
[lttng-tools.git] / src / common / actions / notify.c
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a58c490f 1/*
ab5be9fa 2 * Copyright (C) 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
a58c490f 3 *
ab5be9fa 4 * SPDX-License-Identifier: LGPL-2.1-only
a58c490f 5 *
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6 */
7
8#include <lttng/action/action-internal.h>
9#include <lttng/action/notify-internal.h>
10#include <common/macros.h>
11#include <assert.h>
12
13static
14void lttng_action_notify_destroy(struct lttng_action *action)
15{
16 free(action);
17}
18
19static
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20int lttng_action_notify_serialize(struct lttng_action *action,
21 struct lttng_dynamic_buffer *buf)
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22{
23 return 0;
24}
25
26struct lttng_action *lttng_action_notify_create(void)
27{
28 struct lttng_action_notify *notify;
29
30 notify = zmalloc(sizeof(struct lttng_action_notify));
31 if (!notify) {
32 goto end;
33 }
34
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35 lttng_action_init(&notify->parent, LTTNG_ACTION_TYPE_NOTIFY, NULL,
36 lttng_action_notify_serialize,
37 lttng_action_notify_destroy);
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38end:
39 return &notify->parent;
40}
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41
42ssize_t lttng_action_notify_create_from_buffer(
43 const struct lttng_buffer_view *view,
44 struct lttng_action **action)
45{
46 ssize_t consumed_length;
47
48 *action = lttng_action_notify_create();
49 if (!*action) {
50 consumed_length = -1;
51 goto end;
52 }
53
54 consumed_length = 0;
55end:
56 return consumed_length;
57}
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