| 1 | /* |
| 2 | * Copyright (c) 2018 Philippe Proulx <pproulx@efficios.com> |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 5 | * of this software and associated documentation files (the "Software"), to deal |
| 6 | * in the Software without restriction, including without limitation the rights |
| 7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 8 | * copies of the Software, and to permit persons to whom the Software is |
| 9 | * furnished to do so, subject to the following conditions: |
| 10 | * |
| 11 | * The above copyright notice and this permission notice shall be included in |
| 12 | * all copies or substantial portions of the Software. |
| 13 | * |
| 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 20 | * SOFTWARE. |
| 21 | */ |
| 22 | |
| 23 | #define BT_LOG_TAG "LIB/OBJECT-POOL" |
| 24 | #include "lib/logging.h" |
| 25 | |
| 26 | #include <stdint.h> |
| 27 | #include "common/assert.h" |
| 28 | #include "lib/assert-pre.h" |
| 29 | #include "lib/object-pool.h" |
| 30 | |
| 31 | int bt_object_pool_initialize(struct bt_object_pool *pool, |
| 32 | bt_object_pool_new_object_func new_object_func, |
| 33 | bt_object_pool_destroy_object_func destroy_object_func, |
| 34 | void *data) |
| 35 | { |
| 36 | int ret = 0; |
| 37 | |
| 38 | BT_ASSERT(new_object_func); |
| 39 | BT_ASSERT(destroy_object_func); |
| 40 | BT_LOGD("Initializing object pool: addr=%p, data-addr=%p", |
| 41 | pool, data); |
| 42 | pool->objects = g_ptr_array_new(); |
| 43 | if (!pool->objects) { |
| 44 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate a GPtrArray."); |
| 45 | goto error; |
| 46 | } |
| 47 | |
| 48 | pool->funcs.new_object = new_object_func; |
| 49 | pool->funcs.destroy_object = destroy_object_func; |
| 50 | pool->data = data; |
| 51 | pool->size = 0; |
| 52 | BT_LIB_LOGD("Initialized object pool: %!+o", pool); |
| 53 | goto end; |
| 54 | |
| 55 | error: |
| 56 | if (pool) { |
| 57 | bt_object_pool_finalize(pool); |
| 58 | } |
| 59 | |
| 60 | ret = -1; |
| 61 | |
| 62 | end: |
| 63 | return ret; |
| 64 | } |
| 65 | |
| 66 | void bt_object_pool_finalize(struct bt_object_pool *pool) |
| 67 | { |
| 68 | uint64_t i; |
| 69 | |
| 70 | BT_ASSERT(pool); |
| 71 | BT_LIB_LOGD("Finalizing object pool: %!+o", pool); |
| 72 | |
| 73 | if (pool->objects) { |
| 74 | for (i = 0; i < pool->size; i++) { |
| 75 | void *obj = pool->objects->pdata[i]; |
| 76 | |
| 77 | if (obj) { |
| 78 | pool->funcs.destroy_object(obj, pool->data); |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | g_ptr_array_free(pool->objects, TRUE); |
| 83 | pool->objects = NULL; |
| 84 | } |
| 85 | } |