blob: c8ca6f2d36a4cbfdb93937039f081f216b69581a (
plain)
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
|
/*
* Copyright (C) 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_HARDWARE_INTERFACES_NEURALNETWORKS_UTILS_COMMON_RESILIENT_BUFFER_H
#define ANDROID_HARDWARE_INTERFACES_NEURALNETWORKS_UTILS_COMMON_RESILIENT_BUFFER_H
#include <android-base/thread_annotations.h>
#include <nnapi/IBuffer.h>
#include <nnapi/Result.h>
#include <nnapi/Types.h>
#include <functional>
#include <memory>
#include <mutex>
#include <utility>
#include <vector>
namespace android::hardware::neuralnetworks::utils {
class ResilientBuffer final : public nn::IBuffer {
struct PrivateConstructorTag {};
public:
using Factory = std::function<nn::GeneralResult<nn::SharedBuffer>()>;
static nn::GeneralResult<std::shared_ptr<const ResilientBuffer>> create(Factory makeBuffer);
explicit ResilientBuffer(PrivateConstructorTag tag, Factory makeBuffer,
nn::SharedBuffer buffer);
nn::SharedBuffer getBuffer() const;
nn::GeneralResult<nn::SharedBuffer> recover(const nn::IBuffer* failingBuffer) const;
nn::Request::MemoryDomainToken getToken() const override;
nn::GeneralResult<void> copyTo(const nn::SharedMemory& dst) const override;
nn::GeneralResult<void> copyFrom(const nn::SharedMemory& src,
const nn::Dimensions& dimensions) const override;
private:
const Factory kMakeBuffer;
mutable std::mutex mMutex;
mutable nn::SharedBuffer mBuffer GUARDED_BY(mMutex);
};
} // namespace android::hardware::neuralnetworks::utils
#endif // ANDROID_HARDWARE_INTERFACES_NEURALNETWORKS_UTILS_COMMON_RESILIENT_BUFFER_H
|
