| 1 | #ifndef BABELTRACE_FD_CACHE_INTERNAL_H |
| 2 | #define BABELTRACE_FD_CACHE_INTERNAL_H |
| 3 | /* |
| 4 | * fd-cache.h |
| 5 | * |
| 6 | * Babeltrace - File descriptor cache |
| 7 | * |
| 8 | * Copyright 2019 Francis Deslauriers <francis.deslauriers@efficios.com> |
| 9 | * |
| 10 | * Author: Francis Deslauriers <francis.deslauriers@efficios.com> |
| 11 | * |
| 12 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 13 | * of this software and associated documentation files (the "Software"), to deal |
| 14 | * in the Software without restriction, including without limitation the rights |
| 15 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 16 | * copies of the Software, and to permit persons to whom the Software is |
| 17 | * furnished to do so, subject to the following conditions: |
| 18 | * |
| 19 | * The above copyright notice and this permission notice shall be included in |
| 20 | * all copies or substantial portions of the Software. |
| 21 | * |
| 22 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 23 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 24 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 25 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 26 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 27 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 28 | * SOFTWARE. |
| 29 | */ |
| 30 | |
| 31 | #include "common/macros.h" |
| 32 | |
| 33 | struct bt_fd_cache_handle { |
| 34 | int fd; |
| 35 | }; |
| 36 | |
| 37 | struct bt_fd_cache { |
| 38 | int log_level; |
| 39 | GHashTable *cache; |
| 40 | }; |
| 41 | |
| 42 | static inline |
| 43 | int bt_fd_cache_handle_get_fd(struct bt_fd_cache_handle *handle) |
| 44 | { |
| 45 | return handle->fd; |
| 46 | } |
| 47 | |
| 48 | BT_HIDDEN |
| 49 | int bt_fd_cache_init(struct bt_fd_cache *fdc, int log_level); |
| 50 | |
| 51 | BT_HIDDEN |
| 52 | void bt_fd_cache_fini(struct bt_fd_cache *fdc); |
| 53 | |
| 54 | BT_HIDDEN |
| 55 | struct bt_fd_cache_handle *bt_fd_cache_get_handle(struct bt_fd_cache *fdc, |
| 56 | const char *path); |
| 57 | |
| 58 | BT_HIDDEN |
| 59 | void bt_fd_cache_put_handle(struct bt_fd_cache *fdc, |
| 60 | struct bt_fd_cache_handle *handle); |
| 61 | |
| 62 | #endif /* BABELTRACE_FD_CACHE_INTERNAL_H */ |