1 /**
2 * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "pool_manager.h"
17
18 #include "malloc_mem_pool-inl.h"
19 #include "mmap_mem_pool-inl.h"
20 #include "utils/logger.h"
21
22 namespace panda {
23
24 // default is mmap_mem_pool
25 PoolType PoolManager::pool_type = PoolType::MMAP;
26 bool PoolManager::is_initialized = false;
27 MallocMemPool *PoolManager::malloc_mem_pool = nullptr;
28 MmapMemPool *PoolManager::mmap_mem_pool = nullptr;
29
AllocArena(size_t size,SpaceType space_type,AllocatorType allocator_type,const void * allocator_addr)30 Arena *PoolManager::AllocArena(size_t size, SpaceType space_type, AllocatorType allocator_type,
31 const void *allocator_addr)
32 {
33 if (pool_type == PoolType::MMAP) {
34 return mmap_mem_pool->AllocArenaImpl(size, space_type, allocator_type, allocator_addr);
35 }
36 return malloc_mem_pool->AllocArenaImpl(size, space_type, allocator_type, allocator_addr);
37 }
38
FreeArena(Arena * arena)39 void PoolManager::FreeArena(Arena *arena)
40 {
41 if (pool_type == PoolType::MMAP) {
42 return mmap_mem_pool->FreeArenaImpl(arena);
43 }
44 return malloc_mem_pool->FreeArenaImpl(arena);
45 }
46
Initialize(PoolType type)47 void PoolManager::Initialize(PoolType type)
48 {
49 ASSERT(!is_initialized);
50 is_initialized = true;
51 pool_type = type;
52 if (pool_type == PoolType::MMAP) {
53 mmap_mem_pool = new MmapMemPool();
54 } else {
55 malloc_mem_pool = new MallocMemPool();
56 }
57 LOG(DEBUG, ALLOC) << "PoolManager Initialized";
58 }
59
GetMmapMemPool()60 MmapMemPool *PoolManager::GetMmapMemPool()
61 {
62 ASSERT(is_initialized);
63 ASSERT(pool_type == PoolType::MMAP);
64 return mmap_mem_pool;
65 }
66
GetMallocMemPool()67 MallocMemPool *PoolManager::GetMallocMemPool()
68 {
69 ASSERT(is_initialized);
70 ASSERT(pool_type == PoolType::MALLOC);
71 return malloc_mem_pool;
72 }
73
Finalize()74 void PoolManager::Finalize()
75 {
76 ASSERT(is_initialized);
77 is_initialized = false;
78 if (pool_type == PoolType::MMAP) {
79 delete mmap_mem_pool;
80 mmap_mem_pool = nullptr;
81 } else {
82 delete malloc_mem_pool;
83 malloc_mem_pool = nullptr;
84 }
85 }
86
87 } // namespace panda
88