1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
/*
* Copyright (c) 2021 Arm Limited.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef SRC_COMMON_ALLOCATORWRAPPER_H
#define SRC_COMMON_ALLOCATORWRAPPER_H
#include "arm_compute/AclTypes.h"
namespace arm_compute
{
/** Default malloc allocator implementation */
class AllocatorWrapper final
{
public:
/** Default Constructor
*
* @param[in] backing_allocator Backing memory allocator to be used
*/
AllocatorWrapper(const AclAllocator &backing_allocator) noexcept;
AllocatorWrapper(const AllocatorWrapper &) noexcept = default;
AllocatorWrapper(AllocatorWrapper &&) noexcept = default;
AllocatorWrapper &operator=(const AllocatorWrapper &) noexcept = delete;
AllocatorWrapper &operator=(AllocatorWrapper &&other) noexcept = default;
/** Allocate a chunk of memory of a given size in bytes
*
* @param[in] size Size of memory to allocate in bytes
*
* @return A pointer to the allocated memory if successful else nullptr
*/
void *alloc(size_t size);
/** Free an allocated memory block
*
* @param[in] ptr Pointer to allocated memory
*/
void free(void *ptr);
/** Allocate a chunk of memory of a given size in bytes,
* while honoring a given alignment requirement
*
* @param[in] size Size of memory to allocate in bytes
* @param[in] alignment Alignment requirements
*
* @return A pointer to the allocated memory if successful else nullptr
*/
void *aligned_alloc(size_t size, size_t alignment);
/** Free an aligned memory block
*
* @param[in] ptr Pointer to the memory to release
*/
void aligned_free(void *ptr);
/** Set user data to be used by the allocator
*
* @param[in] user_data User data to be used by the allocator
*/
void set_user_data(void *user_data);
private:
AclAllocator _backing_allocator;
};
} // namespace arm_compute
#endif /* SRC_COMMON_ALLOCATORWRAPPER_H */
|
