lib: Rename to libbabeltrace2
[babeltrace.git] / lib / ctf-writer / object-pool.c
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e1e02a22
PP
1/*
2 * Copyright (c) 2018 EfficiOS Inc. and Linux Foundation
3 * Copyright (c) 2018 Philippe Proulx <pproulx@efficios.com>
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a copy
6 * of this software and associated documentation files (the "Software"), to deal
7 * in the Software without restriction, including without limitation the rights
8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 * copies of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 */
23
24#define BT_LOG_TAG "OBJECT-POOL"
25#include <babeltrace/lib-logging-internal.h>
26
27#include <stdint.h>
28#include <babeltrace/assert-internal.h>
29#include <babeltrace/ctf-writer/object-pool-internal.h>
30
31int bt_ctf_object_pool_initialize(struct bt_ctf_object_pool *pool,
32 bt_ctf_object_pool_new_object_func new_object_func,
33 bt_ctf_object_pool_destroy_object_func destroy_object_func,
34 void *data)
35{
36 int ret = 0;
37
38 BT_ASSERT(new_object_func);
39 BT_ASSERT(destroy_object_func);
40 BT_LOGD("Initializing object pool: addr=%p, data-addr=%p",
41 pool, data);
42 pool->objects = g_ptr_array_new();
43 if (!pool->objects) {
44 BT_LOGE_STR("Failed to allocate a GPtrArray.");
45 goto error;
46 }
47
48 pool->funcs.new_object = new_object_func;
49 pool->funcs.destroy_object = destroy_object_func;
50 pool->data = data;
51 pool->size = 0;
52 BT_LIB_LOGD("Initialized object pool: %!+o", pool);
53 goto end;
54
55error:
56 if (pool) {
57 bt_ctf_object_pool_finalize(pool);
58 }
59
60 ret = -1;
61
62end:
63 return ret;
64}
65
66void bt_ctf_object_pool_finalize(struct bt_ctf_object_pool *pool)
67{
68 uint64_t i;
69
70 BT_ASSERT(pool);
71 BT_LIB_LOGD("Finalizing object pool: %!+o", pool);
72
73 if (pool->objects) {
74 for (i = 0; i < pool->size; i++) {
75 void *obj = pool->objects->pdata[i];
76
77 if (obj) {
78 pool->funcs.destroy_object(obj, pool->data);
79 }
80 }
81
82 g_ptr_array_free(pool->objects, TRUE);
83 pool->objects = NULL;
84 }
85}
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