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
21 namespace panda {
22
23 // default is mmap_mem_pool
24 PoolType PoolManager::pool_type = PoolType::MMAP;
25 bool PoolManager::is_initialized = false;
26 MallocMemPool *PoolManager::malloc_mem_pool = nullptr;
27 MmapMemPool *PoolManager::mmap_mem_pool = nullptr;
28
AllocArena(size_t size,SpaceType space_type,AllocatorType allocator_type,const void * allocator_addr)29 Arena *PoolManager::AllocArena(size_t size, SpaceType space_type, AllocatorType allocator_type,
30 const void *allocator_addr)
31 {
32 if (pool_type == PoolType::MMAP) {
33 return mmap_mem_pool->AllocArenaImpl(size, space_type, allocator_type, allocator_addr);
34 }
35 return malloc_mem_pool->AllocArenaImpl(size, space_type, allocator_type, allocator_addr);
36 }
37
FreeArena(Arena * arena)38 void PoolManager::FreeArena(Arena *arena)
39 {
40 if (pool_type == PoolType::MMAP) {
41 return mmap_mem_pool->FreeArenaImpl(arena);
42 }
43 return malloc_mem_pool->FreeArenaImpl(arena);
44 }
45
Initialize(PoolType type)46 void PoolManager::Initialize(PoolType type)
47 {
48 ASSERT(!is_initialized);
49 is_initialized = true;
50 pool_type = type;
51 if (pool_type == PoolType::MMAP) {
52 mmap_mem_pool = new MmapMemPool();
53 } else {
54 malloc_mem_pool = new MallocMemPool();
55 }
56 LOG(DEBUG, ALLOC) << "PoolManager Initialized";
57 }
58
GetMmapMemPool()59 MmapMemPool *PoolManager::GetMmapMemPool()
60 {
61 ASSERT(is_initialized);
62 ASSERT(pool_type == PoolType::MMAP);
63 return mmap_mem_pool;
64 }
65
GetMallocMemPool()66 MallocMemPool *PoolManager::GetMallocMemPool()
67 {
68 ASSERT(is_initialized);
69 ASSERT(pool_type == PoolType::MALLOC);
70 return malloc_mem_pool;
71 }
72
Finalize()73 void PoolManager::Finalize()
74 {
75 ASSERT(is_initialized);
76 is_initialized = false;
77 if (pool_type == PoolType::MMAP) {
78 delete mmap_mem_pool;
79 mmap_mem_pool = nullptr;
80 } else {
81 delete malloc_mem_pool;
82 malloc_mem_pool = nullptr;
83 }
84 }
85
86 } // namespace panda
87