1 | /* Copyright 2019 Google LLC. All Rights Reserved. |
2 | |
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 "ruy/system_aligned_alloc.h" |
17 | |
18 | #include <cstddef> |
19 | #include <cstdlib> |
20 | |
21 | #ifdef _WIN32 |
22 | #include <malloc.h> |
23 | #endif |
24 | |
25 | namespace ruy { |
26 | |
27 | namespace detail { |
28 | |
29 | void *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 | |
41 | void 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 | |