Commit | Line | Data |
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273b65be | 1 | /* |
83509119 JG |
2 | * ref.c: reference counting |
3 | * | |
4 | * Babeltrace Library | |
273b65be | 5 | * |
83509119 | 6 | * Copyright (c) 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
273b65be JG |
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 | 33 | void *bt_get(void *ptr) |
273b65be | 34 | { |
47601e5f JG |
35 | struct bt_object *obj = ptr; |
36 | ||
a041af48 | 37 | if (unlikely(!obj)) { |
47601e5f JG |
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 | 44 | end: |
1d7bf349 | 45 | return ptr; |
273b65be JG |
46 | } |
47 | ||
b703b34e | 48 | void 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); |
1d7bf349 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 | } |