lib: graph: add "self" and some "private" APIs
[babeltrace.git] / lib / object.c
CommitLineData
273b65be 1/*
83509119 2 * Copyright (c) 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com>
273b65be
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3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
65300d60 23#define BT_LOG_TAG "OBJECT"
f6b2f71d 24#include <babeltrace/lib-logging-internal.h>
40547d22 25
312c056a 26#include <babeltrace/assert-pre-internal.h>
0f5e83e5 27#include <babeltrace/object-internal.h>
f6b2f71d 28
65300d60 29void *bt_object_get_ref(void *ptr)
273b65be 30{
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31 struct bt_object *obj = ptr;
32
a041af48 33 if (unlikely(!obj)) {
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34 goto end;
35 }
273b65be 36
312c056a 37 BT_ASSERT_PRE(obj->is_shared, "Object is not shared: addr=%p", obj);
3fea54f6 38 bt_object_get_no_null_check(obj);
b1912a65 39
47601e5f 40end:
3fea54f6 41 return ptr;
273b65be
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42}
43
65300d60 44void bt_object_put_ref(void *ptr)
83509119 45{
b703b34e 46 struct bt_object *obj = ptr;
83509119 47
a041af48 48 if (unlikely(!obj)) {
b703b34e 49 return;
83509119 50 }
b703b34e 51
312c056a 52 BT_ASSERT_PRE(obj->is_shared, "Object is not shared: addr=%p", obj);
3fea54f6
PP
53 BT_ASSERT_PRE(bt_object_get_ref_count(obj) > 0,
54 "Decrementing a reference count set to 0: addr=%p", ptr);
55 bt_object_put_no_null_check(obj);
83509119 56}
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