Commit | Line | Data |
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273b65be | 1 | /* |
1c822dfb | 2 | * ref.c: reference counting |
273b65be | 3 | * |
1c822dfb | 4 | * Babeltrace Library |
273b65be | 5 | * |
1c822dfb | 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 | ||
1c822dfb JG |
27 | #include <babeltrace/ref-internal.h> |
28 | #include <babeltrace/object-internal.h> | |
273b65be | 29 | |
d69f0101 | 30 | BT_HIDDEN |
1c822dfb | 31 | void *bt_get(void *ptr) |
273b65be | 32 | { |
1c822dfb | 33 | struct bt_object *obj = ptr; |
273b65be | 34 | |
1c822dfb JG |
35 | if (!obj) { |
36 | goto end; | |
37 | } | |
38 | ||
39 | if (obj->parent && bt_object_get_ref_count(obj) == 0) { | |
40 | bt_get(obj->parent); | |
41 | } | |
42 | bt_ref_get(&obj->ref_count); | |
43 | end: | |
44 | return obj; | |
273b65be JG |
45 | } |
46 | ||
d69f0101 | 47 | BT_HIDDEN |
1c822dfb | 48 | void bt_put(void *ptr) |
273b65be | 49 | { |
1c822dfb JG |
50 | struct bt_object *obj = ptr; |
51 | ||
52 | if (!obj) { | |
53 | return; | |
273b65be | 54 | } |
273b65be | 55 | |
1c822dfb JG |
56 | bt_ref_put(&obj->ref_count); |
57 | } |