xref: /aosp_15_r20/external/pigweed/pw_malloc/bucket_allocator.cc (revision 61c4878ac05f98d0ceed94b57d316916de578985)
1 // Copyright 2024 The Pigweed Authors
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not
4 // use this file except in compliance with the License. You may obtain a copy of
5 // the License at
6 //
7 //     https://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, WITHOUT
11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
12 // License for the specific language governing permissions and limitations under
13 // the License.
14 
15 #include "pw_allocator/bucket_allocator.h"
16 
17 #include "pw_malloc/config.h"
18 #include "pw_malloc/malloc.h"
19 
20 namespace pw::malloc {
21 
22 using BlockType = ::pw::allocator::BucketBlock<PW_MALLOC_BLOCK_OFFSET_TYPE>;
23 using BucketAllocator =
24     ::pw::allocator::BucketAllocator<BlockType,
25                                      PW_MALLOC_MIN_BUCKET_SIZE,
26                                      PW_MALLOC_NUM_BUCKETS>;
27 
InitSystemAllocator(ByteSpan heap)28 void InitSystemAllocator(ByteSpan heap) {
29   InitSystemAllocator<BucketAllocator>(heap);
30 }
31 
GetSystemAllocator()32 Allocator* GetSystemAllocator() {
33   static BucketAllocator allocator;
34   return &allocator;
35 }
36 
37 }  // namespace pw::malloc
38