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1 | /* |
2 | * This file is open source software, licensed to you under the terms | |
3 | * of the Apache License, Version 2.0 (the "License"). See the NOTICE file | |
4 | * distributed with this work for additional information regarding copyright | |
5 | * ownership. You may not use this file except in compliance with the License. | |
6 | * | |
7 | * You may obtain a copy of the License at | |
8 | * | |
9 | * http://www.apache.org/licenses/LICENSE-2.0 | |
10 | * | |
11 | * Unless required by applicable law or agreed to in writing, | |
12 | * software distributed under the License is distributed on an | |
13 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
14 | * KIND, either express or implied. See the License for the | |
15 | * specific language governing permissions and limitations | |
16 | * under the License. | |
17 | */ | |
18 | /* | |
19 | * Copyright (C) 2016 ScyllaDB. | |
20 | */ | |
21 | #pragma once | |
22 | #include <stdlib.h> | |
23 | #include <memory> | |
24 | #include <stdexcept> | |
11fdf7f2 TL |
25 | |
26 | namespace seastar { | |
27 | ||
9f95a23c TL |
28 | namespace internal { |
29 | void* allocate_aligned_buffer_impl(size_t size, size_t align); | |
30 | } | |
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31 | |
32 | struct free_deleter { | |
33 | void operator()(void* p) { ::free(p); } | |
34 | }; | |
35 | ||
36 | template <typename CharType> | |
37 | inline | |
38 | std::unique_ptr<CharType[], free_deleter> allocate_aligned_buffer(size_t size, size_t align) { | |
39 | static_assert(sizeof(CharType) == 1, "must allocate byte type"); | |
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40 | void* ret = internal::allocate_aligned_buffer_impl(size, align); |
41 | return std::unique_ptr<CharType[], free_deleter>(reinterpret_cast<CharType *>(ret)); | |
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42 | } |
43 | ||
44 | ||
45 | } |