1/* Copyright 2019 Google LLC. All Rights Reserved.
2
3Licensed under the Apache License, Version 2.0 (the "License");
4you may not use this file except in compliance with the License.
5You may obtain a copy of the License at
6
7 http://www.apache.org/licenses/LICENSE-2.0
8
9Unless required by applicable law or agreed to in writing, software
10distributed under the License is distributed on an "AS IS" BASIS,
11WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12See the License for the specific language governing permissions and
13limitations under the License.
14==============================================================================*/
15
16#include "ruy/system_aligned_alloc.h"
17
18#include <cstddef>
19#include <cstdlib>
20
21#ifdef _WIN32
22#include <malloc.h>
23#endif
24
25namespace ruy {
26
27namespace detail {
28
29void *SystemAlignedAlloc(std::ptrdiff_t num_bytes) {
30#ifdef _WIN32
31 return _aligned_malloc(num_bytes, kMinimumBlockAlignment);
32#else
33 void *ptr;
34 if (posix_memalign(&ptr, kMinimumBlockAlignment, num_bytes)) {
35 return nullptr;
36 }
37 return ptr;
38#endif
39}
40
41void SystemAlignedFree(void *ptr) {
42#ifdef _WIN32
43 _aligned_free(ptr);
44#else
45 free(ptr);
46#endif
47}
48
49} // namespace detail
50
51} // namespace ruy
52