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/ohos5.0/commonlibrary/c_utils/base/src/rust/
H A Dashmem.rs59 pub type Ashmem; typedef
63 pub fn CloseAshmem(self: &Ashmem) -> (); in CloseAshmem() argument
75 pub fn UnmapAshmem(self: &Ashmem) -> (); in UnmapAshmem() argument
91 self: &Ashmem, in WriteToAshmem() argument
104 pub fn GetAshmemFd(self: &Ashmem) -> i32; in GetAshmemFd()
109 pub struct Ashmem { struct
110 c_ashmem: SharedPtr<ffi::Ashmem>, argument
114 impl Ashmem { implementation
116 pub fn new(c_ashmem: SharedPtr<ffi::Ashmem>) -> Ashmem { in new() argument
117 Ashmem { c_ashmem } in new()
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/ohos5.0/commonlibrary/c_utils/base/src/
H A Dashmem.cpp148 Ashmem::Ashmem(int fd, int32_t size) : memoryFd_(fd), memorySize_(size), flag_(0), startAddr_(nullp… in Ashmem() function in OHOS::Ashmem
152 Ashmem::~Ashmem() in ~Ashmem()
158 sptr<Ashmem> Ashmem::CreateAshmem(const char *name, int32_t size) in CreateAshmem()
171 return new Ashmem(fd, size); in CreateAshmem()
180 int Ashmem::GetProtection() const in GetProtection()
191 void Ashmem::CloseAshmem() const in CloseAshmem()
193 void Ashmem::CloseAshmem() in CloseAshmem()
208 bool Ashmem::MapAshmem(int mapType) in MapAshmem()
235 bool Ashmem::MapReadOnlyAshmem() in MapReadOnlyAshmem()
242 void Ashmem::UnmapAshmem() const in UnmapAshmem()
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/ohos5.0/commonlibrary/c_utils/docs/zh-cn/
H A Dc_utils_guide_rust_ashmem.md1 # Rust侧-匿名共享内存(Ashmem, Anonymous Shared Memory)
14 `struct Ashmem`
20 | Option< Ashmem > | **create_ashmem_instance**(name: &str, size: i32)<br> 创建Rust侧Ashmem结构体对象。 |
21 | void | **close_ashmem**(self: &Ashmem)<br>通过内部维护的文件描述符关闭当前ashmem。 |
22 | int | **get_ashmem_fd**(self: &Ashmem)<br>获取内核中对应ashmem的文件描述符。 |
23 | int32_t | **get_ashmem_size**(self: &Ashmem)<br>获取内核中ashmem区域的大小。 |
24 | int | **get_protection**(self: &Ashmem)<br>获取内核中的ashmem区域的保护权限值。 |
27 | void | **unmap_ashmem**(self: &Ashmem)<br>解除ashmem映射。 |
45 | SharedPtr< Ashmem > | **CreateAshmemStd**(name: *const c_char, size: i32)<br>使用指定名称及大小创建Ashmem对象。…
47 | int | **GetAshmemFd**(self: &Ashmem)<br>获取内核中对应ashmem的文件描述符。 |
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H A Dc-utils-guide-ashmem.md1 # 使用匿名共享内存(Ashmem, Anonymous Shared Memory)
8 ### OHOS::Ashmem
10 C++公共基础库中的Ashmem实现，用于操作匿名共享内存(Ashmem)。
15 class OHOS::Ashmem;
18 **提示**: 尽管被智能指针管理，Ashmem对象仍需手动解除映射并关闭。
29 | sptr< Ashmem > | **CreateAshmem**(const char* name, int32_t size)<br>使用指定名称及大小创建Ashmem对象。 |
30 | | **Ashmem**(int fd, int32_t size)<br>构造Ashmem对象。 |
31 | | **~Ashmem**() override |
50 sptr<Ashmem> ashmem = Ashmem::CreateAshmem(MEMORY_NAME.c_str(), MEMORY_SIZE);
76 1. Ashmem对象使用结束后**需要手动解除映射并关闭**
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/ohos5.0/docs/zh-cn/release-notes/api-diff/v3.1-Release/
H A Djs-apidiff-soft-bus.md12 | ohos.rpc | Ashmem | mapReadOnlyAshmem(): boolean; | 新增 |
15 | ohos.rpc | Ashmem | getAshmemSize(): number; | 新增 |
16 | ohos.rpc | Ashmem | unmapAshmem(): void; | 新增 |
17 | ohos.rpc | Ashmem | closeAshmem(): void; | 新增 |
18 | ohos.rpc | Ashmem | static createAshmemFromExisting(ashmem: Ashmem): Ashmem; | 新增 |
19 | ohos.rpc | Ashmem | static createAshmem(name: string, size: number): Ashmem; | 新增 |
20 | ohos.rpc | Ashmem | PROT_WRITE = 2; | 新增 |
21 | ohos.rpc | Ashmem | PROT_READ = 1; | 新增 |
22 | ohos.rpc | Ashmem | PROT_NONE = 0; | 新增 |
23 | ohos.rpc | Ashmem | PROT_EXEC = 4; | 新增 |
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/ohos5.0/docs/en/release-notes/api-diff/v3.1-Release/
H A Djs-apidiff-soft-bus.md12 | ohos.rpc | Ashmem | mapReadOnlyAshmem(): boolean; | Added|
15 | ohos.rpc | Ashmem | getAshmemSize(): number; | Added|
16 | ohos.rpc | Ashmem | unmapAshmem(): void; | Added|
17 | ohos.rpc | Ashmem | closeAshmem(): void; | Added|
18 | ohos.rpc | Ashmem | static createAshmemFromExisting(ashmem: Ashmem): Ashmem; | Added|
19 | ohos.rpc | Ashmem | static createAshmem(name: string, size: number): Ashmem; | Added|
20 | ohos.rpc | Ashmem | PROT_WRITE = 2; | Added|
21 | ohos.rpc | Ashmem | PROT_READ = 1; | Added|
22 | ohos.rpc | Ashmem | PROT_NONE = 0; | Added|
23 | ohos.rpc | Ashmem | PROT_EXEC = 4; | Added|
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/ohos5.0/commonlibrary/c_utils/base/test/benchmarktest/ashemem_benchmark_test/
H A Dashemem_benchmark_test.cpp75 sptr<Ashmem> ashmem = Ashmem::CreateAshmem(MEMORY_NAME.c_str(), MEMORY_SIZE); in BENCHMARK_F()
98 sptr<Ashmem> ashmem = Ashmem::CreateAshmem(MEMORY_NAME.c_str(), MEMORY_SIZE); in BENCHMARK_F()
139 sptr<Ashmem> ashmem = Ashmem::CreateAshmem(MEMORY_NAME.c_str(), MEMORY_SIZE); in BENCHMARK_F()
178 sptr<Ashmem> ashmem = Ashmem::CreateAshmem(MEMORY_NAME.c_str(), MEMORY_SIZE); in BENCHMARK_F()
220 sptr<Ashmem> ashmem = Ashmem::CreateAshmem(MEMORY_NAME.c_str(), MEMORY_SIZE); in BENCHMARK_F()
258 sptr<Ashmem> ashmem = Ashmem::CreateAshmem(MEMORY_NAME.c_str(), -1); in BENCHMARK_F()
281 sptr<Ashmem> ashmem = Ashmem::CreateAshmem(MEMORY_NAME.c_str(), MEMORY_SIZE); in BENCHMARK_F()
301 sptr<Ashmem> ashmem = Ashmem::CreateAshmem(MEMORY_NAME.c_str(), MEMORY_SIZE); in BENCHMARK_F()
327 sptr<Ashmem> ashmem = Ashmem::CreateAshmem(MEMORY_NAME.c_str(), MEMORY_SIZE); in BENCHMARK_F()
355 sptr<Ashmem> ashmem = Ashmem::CreateAshmem(MEMORY_NAME.c_str(), MEMORY_SIZE); in BENCHMARK_F()
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/ohos5.0/commonlibrary/c_utils/base/test/unittest/common/
H A Dutils_ashmem_test.cpp67 sptr<Ashmem> ashmem = Ashmem::CreateAshmem(MEMORY_NAME.c_str(), MEMORY_SIZE);
85 sptr<Ashmem> ashmem = Ashmem::CreateAshmem(MEMORY_NAME.c_str(), MEMORY_SIZE);
120 sptr<Ashmem> ashmem = Ashmem::CreateAshmem(MEMORY_NAME.c_str(), MEMORY_SIZE);
154 sptr<Ashmem> ashmem = Ashmem::CreateAshmem(MEMORY_NAME.c_str(), MEMORY_SIZE);
191 sptr<Ashmem> ashmem = Ashmem::CreateAshmem(MEMORY_NAME.c_str(), MEMORY_SIZE);
223 sptr<Ashmem> ashmem = Ashmem::CreateAshmem(MEMORY_NAME.c_str(), -1);
242 sptr<Ashmem> ashmem = Ashmem::CreateAshmem(MEMORY_NAME.c_str(), MEMORY_SIZE);
258 sptr<Ashmem> ashmem = Ashmem::CreateAshmem(MEMORY_NAME.c_str(), MEMORY_SIZE);
280 sptr<Ashmem> ashmem = Ashmem::CreateAshmem(MEMORY_NAME.c_str(), MEMORY_SIZE);
304 sptr<Ashmem> ashmem = Ashmem::CreateAshmem(MEMORY_NAME.c_str(), MEMORY_SIZE);
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/ohos5.0/docs/en/application-dev/reference/apis-driverdevelopment-kit/
H A D_base_ddk.md6 Provides APIs for creating, mapping, unmapping, and destroying an **Ashmem** object.
84 Creates an **Ashmem** object.
90 | name | Name of the **Ashmem** object.|
91 | size | Buffer size of the **Ashmem** object.|
92 | ashmem | Pointer to the **Ashmem** object.|
110 Maps an **Ashmem** object.
116 | ashmem | Pointer to the **Ashmem** object.|
117 | ashmemMapType | Mapping type for the **Ashmem** object.|
136 Unmaps an **Ashmem** object.
142 | ashmem | Pointer to the **Ashmem** object.|
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H A D_ddk_ashmem.md6 Defines the data structure of **Ashmem** objects.
24 | [ashmemFd](#ashmemfd) | File descriptor of the **Ashmem** object.|
25 | [address](#address) | Mapping address of the **Ashmem** object.|
44 File descriptor of the **Ashmem** object.
56 Mapping address of the **Ashmem** object.
H A Dddk_api.md24 …) (const uint8_t *name, [DDK_Ashmem](_ddk_ashmem.md) \*\*ashmem) | Creates an **Ashmem** object. |
25 …DDK_Ashmem](_ddk_ashmem.md) \*ashmem), const uint8_t ashmemMapType) | Maps an **Ashmem** object. |
26 …dk.md#oh_ddk_unmapashmem) ([DDK_Ashmem](_ddk_ashmem.md) \*ashmem) | Unmaps an **Ashmem** object. |
27 …d#oh_ddk_destoryashmem) ([DDK_Ashmem](_ddk_ashmem.md) \*ashmem) | Destroys an **Ashmem** object. |
/ohos5.0/commonlibrary/c_utils/base/include/
H A Dashmem.h35 class Ashmem; variable
41 std::shared_ptr<Ashmem> CreateAshmemStd(const char *name, int32_t size);
82 class Ashmem : public virtual RefBase {
98 static sptr<Ashmem> CreateAshmem(const char *name, int32_t size);
106 Ashmem(int fd, int32_t size);
107 ~Ashmem() override;
/ohos5.0/docs/zh-cn/release-notes/changelogs/OpenHarmony_3.2.8.1/
H A Dchangelogs-dsoftbus.md89 | MessageParcel | writeAshmem(ashmem: Ashmem): boolean | MessageSequence | writeAshmem(ashmem: Ashm…
90 | MessageParcel | readAshmem(): Ashmem | MessageSequence | readAshmem(): Ashmem |
122 | Ashmem | static createAshmem(name: string, size: number): Ashmem | NA | static create(name: strin…
123 | Ashmem | static createAshmemFromExisting(ashmem: Ashmem): Ashmem | NA | static create(ashmem: As…
124 | Ashmem | mapAshmem(mapType: number): boolean | NA | mapTypedAshmem(mapType: number): void |
125 | Ashmem | mapReadAndWriteAshmem(): boolean | NA | mapReadWriteAshmem(): void |
126 | Ashmem | mapReadOnlyAshmem(): boolean | NA | mapReadonlyAshmem(): void |
127 | Ashmem | setProtection(protectionType: number): boolean | NA | setProtectionType(protectionType:…
128 | Ashmem | writeToAshmem(buf: number[], size: number, offset: number): boolean | NA | writeAshmem(…
129 | Ashmem | readFromAshmem(size: number, offset: number): number[] | NA | readAshmem(size: number, …
/ohos5.0/foundation/ai/intelligent_voice_framework/services/intell_voice_engine/server/base/
H A Ddata_operation_callback.cpp28 const sptr<Ashmem> &inBuffer, in OnIntellVoiceDataOprEvent()
29 sptr<Ashmem> &outBuffer) in OnIntellVoiceDataOprEvent()
84 const sptr<Ashmem> &ashmem) in CreateArrayBufferFromAshmem()
111 sptr<Ashmem> DataOperationCallback::CreateAshmemFromArrayBuffer( in CreateAshmemFromArrayBuffer()
124 …sptr<Ashmem> ashmem = OHOS::Ashmem::CreateAshmem(name.c_str(), buffer->GetSize() * sizeof(uint8_t)… in CreateAshmemFromArrayBuffer()
H A Ddata_operation_callback.h33 int32_t OnIntellVoiceDataOprEvent(IntellVoiceDataOprType type, const sptr<Ashmem> &inBuffer,
34 sptr<Ashmem> &outBuffer) override;
37 …<OHOS::IntellVoiceUtils::Uint8ArrayBuffer> CreateArrayBufferFromAshmem(const sptr<Ashmem> &ashmem);
38 …sptr<Ashmem> CreateAshmemFromArrayBuffer(const std::unique_ptr<OHOS::IntellVoiceUtils::Uint8ArrayB…
/ohos5.0/foundation/graphic/graphic_2d/rosen/modules/platform/utils/
H A Dashmem.h67 class Ashmem : public virtual RefBase {
81 static sptr<Ashmem> CreateAshmem(const char *name, int32_t size);
183 Ashmem(int fd, int32_t size);
184 ~Ashmem() override;
/ohos5.0/docs/en/release-notes/changelogs/OpenHarmony_3.2.8.1/
H A Dchangelogs-dsoftbus.md89 | MessageParcel | writeAshmem(ashmem: Ashmem): boolean | MessageSequence | writeAshmem(ashmem: Ashm…
90 | MessageParcel | readAshmem(): Ashmem | MessageSequence | readAshmem(): Ashmem |
122 | Ashmem | static createAshmem(name: string, size: number): Ashmem | NA | static create(name: strin…
123 | Ashmem | static createAshmemFromExisting(ashmem: Ashmem): Ashmem | NA | static create(ashmem: As…
124 | Ashmem | mapAshmem(mapType: number): boolean | NA | mapTypedAshmem(mapType: number): void |
125 | Ashmem | mapReadAndWriteAshmem(): boolean | NA | mapReadWriteAshmem(): void |
126 | Ashmem | mapReadOnlyAshmem(): boolean | NA | mapReadonlyAshmem(): void |
127 | Ashmem | setProtection(protectionType: number): boolean | NA | setProtectionType(protectionType:…
128 | Ashmem | writeToAshmem(buf: number[], size: number, offset: number): boolean | NA | writeAshmem(…
129 | Ashmem | readFromAshmem(size: number, offset: number): number[] | NA | readAshmem(size: number, …
/ohos5.0/base/hiviewdfx/hisysevent/adapter/native/idl/include/
H A Dash_mem_utils.h27 … static sptr<Ashmem> WriteBulkData(MessageParcel& parcel, const std::vector<std::u16string>& src);
29 static void CloseAshmem(sptr<Ashmem> ashmem);
32 static sptr<Ashmem> GetAshmem();
/ohos5.0/base/hiviewdfx/hiview/adapter/plugins/eventservice/service/idl/include/
H A Dash_mem_utils.h27 … static sptr<Ashmem> WriteBulkData(MessageParcel& parcel, const std::vector<std::u16string>& src);
29 static void CloseAshmem(sptr<Ashmem> ashmem);
32 static sptr<Ashmem> GetAshmem();
/ohos5.0/foundation/ability/form_fwk/test/unittest/fms_form_ashmem_test/
H A Dmock_message_parcel.cpp145 bool MessageParcel::WriteAshmem(sptr<Ashmem> ashmem) in WriteAshmem()
150 sptr<Ashmem> MessageParcel::ReadAshmem() in ReadAshmem()
155 sptr<Ashmem> ashmem = new (std::nothrow) Ashmem(fd, size); in ReadAshmem()
H A Dfms_form_ashmem_test.cpp74 form_ashmem_->ashmem_ = new (std::nothrow) Ashmem(fd, size);
138 form_ashmem_->ashmem_ = new (std::nothrow) Ashmem(fd, size);
155 form_ashmem_->ashmem_ = new (std::nothrow) Ashmem(fd, size);
228 form_ashmem_->ashmem_ = new (std::nothrow) Ashmem(fd, size);
248 form_ashmem_->ashmem_ = new (std::nothrow) Ashmem(fd, size);
268 form_ashmem_->ashmem_ = new (std::nothrow) Ashmem(fd, size);
/ohos5.0/base/tee/tee_client/interfaces/kits/c/src/
H A Dtee_client.h123 TEEC_Result CopyTeecOptMem(TEEC_Operation *operation, size_t optMemSize, sptr<Ashmem> &optMem);
124 TEEC_Result TeecOptEncode(TEEC_Operation *operation, sptr<Ashmem> &optMem, size_t dataSize);
125 …TEEC_Result TeecOptEncodeTempMem(const TEEC_Parameter *param, sptr<Ashmem> &optMem, size_t *dataSi…
126 …TEEC_Result GetTeecOptMem(TEEC_Operation *operation, size_t optMemSize, sptr<Ashmem> &optMem, Mess…
133 uint32_t paramType, sptr<Ashmem> &optMem, size_t *dataSize);
134 bool CovertEncodePtr(sptr<Ashmem> &optMem, size_t *sizeLeft, TEEC_SharedMemory *shm);
/ohos5.0/foundation/ai/neural_network_runtime/example/drivers/nnrt/v1_0/hdi_cpu_service/include/
H A Dprepared_model_service.h54 sptr<Ashmem> ParseBuffer(const SharedBuffer& buffer);
64 sptr<Ashmem> m_cacheBuffer {nullptr};
65 std::vector<sptr<Ashmem>> m_inputAshmems;
67 std::vector<sptr<Ashmem>> m_outputAshmems;
/ohos5.0/drivers/peripheral/codec/hal/idl_service/src/
H A Dcodec_share_buffer.cpp33 void CodecShareBuffer::SetAshMem(std::shared_ptr<OHOS::Ashmem> shMem) in SetAshMem()
45 std::shared_ptr<OHOS::Ashmem> sharedMem = std::make_shared<OHOS::Ashmem>(codecBuffer.fd, size); in Create()
72 std::shared_ptr<Ashmem> sharedMemory = std::make_shared<Ashmem>(sharedFD, codecBuffer.allocLen); in Allocate()
/ohos5.0/foundation/ai/neural_network_runtime/example/drivers/nnrt/v2_0/hdi_cpu_service/include/
H A Dprepared_model_service.h57 sptr<Ashmem> ParseBuffer(const SharedBuffer& buffer);
67 sptr<Ashmem> m_cacheBuffer {nullptr};
68 std::vector<sptr<Ashmem>> m_inputAshmems;
70 std::vector<sptr<Ashmem>> m_outputAshmems;

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