Values API: standardize function names
[babeltrace.git] / lib / ref.c
CommitLineData
273b65be 1/*
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2 * ref.c: reference counting
3 *
4 * Babeltrace Library
273b65be 5 *
83509119 6 * Copyright (c) 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com>
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7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a copy
9 * of this software and associated documentation files (the "Software"), to deal
10 * in the Software without restriction, including without limitation the rights
11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12 * copies of the Software, and to permit persons to whom the Software is
13 * furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 * SOFTWARE.
25 */
26
f6b2f71d
PP
27#define BT_LOG_TAG "REF"
28#include <babeltrace/lib-logging-internal.h>
40547d22 29
a6918753 30#include <babeltrace/assert-pre-internal.h>
0f5e83e5 31#include <babeltrace/object-internal.h>
f6b2f71d 32
47601e5f 33void *bt_get(void *ptr)
273b65be 34{
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35 struct bt_object *obj = ptr;
36
a041af48 37 if (unlikely(!obj)) {
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38 goto end;
39 }
273b65be 40
a6918753 41 BT_ASSERT_PRE(obj->is_shared, "Object is not shared: addr=%p", obj);
1d7bf349 42 bt_object_get_no_null_check(obj);
b1912a65 43
47601e5f 44end:
1d7bf349 45 return ptr;
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46}
47
b703b34e 48void bt_put(void *ptr)
83509119 49{
b703b34e 50 struct bt_object *obj = ptr;
83509119 51
a041af48 52 if (unlikely(!obj)) {
b703b34e 53 return;
83509119 54 }
b703b34e 55
a6918753 56 BT_ASSERT_PRE(obj->is_shared, "Object is not shared: addr=%p", obj);
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PP
57 BT_ASSERT_PRE(bt_object_get_ref_count(obj) > 0,
58 "Decrementing a reference count set to 0: addr=%p", ptr);
59 bt_object_put_no_null_check(obj);
83509119 60}
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