Seastar
High performance C++ framework for concurrent servers
aligned_buffer.hh
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#ifndef SEASTAR_MODULE
23#include <stdlib.h>
24#include <memory>
25#include <seastar/util/modules.hh>
26#endif
27
28namespace seastar {
29
30namespace internal {
31void* allocate_aligned_buffer_impl(size_t size, size_t align);
32}
33
34SEASTAR_MODULE_EXPORT_BEGIN
35
37 void operator()(void* p) { ::free(p); }
38};
39
40template <typename CharType>
41inline
42std::unique_ptr<CharType[], free_deleter> allocate_aligned_buffer(size_t size, size_t align) {
43 static_assert(sizeof(CharType) == 1, "must allocate byte type");
44 void* ret = internal::allocate_aligned_buffer_impl(size, align);
45 return std::unique_ptr<CharType[], free_deleter>(reinterpret_cast<CharType *>(ret));
46}
47
48SEASTAR_MODULE_EXPORT_END
49
50}
Seastar API namespace.
Definition: abort_on_ebadf.hh:26
Definition: aligned_buffer.hh:36