projects / lttngtop.git / blame
| Commit | Line | Data |
|---|---|---|
| 12a91e9d JD |
1 | #ifndef BABELTRACE_CTF_WRITER_REF_INTERNAL_H |
| 2 | #define BABELTRACE_CTF_WRITER_REF_INTERNAL_H | |
| 3 | ||
| 4 | /* | |
| 5 | * BabelTrace - CTF Writer: Reference count | |
| 6 | * | |
| 4a325d7e | 7 | * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| 12a91e9d JD |
8 | * |
| 9 | * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
| 10 | * | |
| 11 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
| 12 | * of this software and associated documentation files (the "Software"), to deal | |
| 13 | * in the Software without restriction, including without limitation the rights | |
| 14 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
| 15 | * copies of the Software, and to permit persons to whom the Software is | |
| 16 | * furnished to do so, subject to the following conditions: | |
| 17 | * | |
| 18 | * The above copyright notice and this permission notice shall be included in | |
| 19 | * all copies or substantial portions of the Software. | |
| 20 | * | |
| 21 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| 22 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| 23 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
| 24 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
| 25 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
| 26 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
| 27 | * SOFTWARE. | |
| 28 | */ | |
| 29 | ||
| 30 | #include <assert.h> | |
| 31 | ||
| 32 | struct bt_ctf_ref { | |
| 33 | long refcount; | |
| 34 | }; | |
| 35 | ||
| 36 | static inline | |
| 37 | void bt_ctf_ref_init(struct bt_ctf_ref *ref) | |
| 38 | { | |
| 39 | assert(ref); | |
| 40 | ref->refcount = 1; | |
| 41 | } | |
| 42 | ||
| 43 | static inline | |
| 44 | void bt_ctf_ref_get(struct bt_ctf_ref *ref) | |
| 45 | { | |
| 46 | assert(ref); | |
| 47 | ref->refcount++; | |
| 48 | } | |
| 49 | ||
| 50 | static inline | |
| 51 | void bt_ctf_ref_put(struct bt_ctf_ref *ref, | |
| 52 | void (*release)(struct bt_ctf_ref *)) | |
| 53 | { | |
| 54 | assert(ref); | |
| 55 | assert(release); | |
| 56 | if ((--ref->refcount) == 0) { | |
| 57 | release(ref); | |
| 58 | } | |
| 59 | } | |
| 60 | ||
| 61 | #endif /* BABELTRACE_CTF_WRITER_REF_INTERNAL_H */ |