harmony 鸿蒙ddk_types.h
ddk_types.h
Overview
Defines the enum variables and structs used in the Base DDK.
System capability: SystemCapability.Driver.DDK.Extension
Since: 12
Related module: Base DDK
Summary
Structs
| Name | Description |
|---|---|
| DDK_Ashmem | Ashmem object. |
Enums
| Name | Description |
|---|---|
| DDK_RetCode { DDK_SUCCESS = 0, DDK_FAILED = 28600001, DDK_INVALID_PARAMETER = 28600002, DDK_INVALID_OPERATION = 28600003, DDK_NULL_PTR = 28600004 } |
Base DDK error code definitions. |
Enum Description
DDK_RetCode
enum DDK_RetCode
Description
Base DDK error code definitions.
| Value | Description |
|---|---|
| DDK_SUCCESS | Operation succeeded. |
| DDK_FAILED | Operation failed. |
| DDK_INVALID_PARAMETER | Invalid parameter. |
| DDK_INVALID_OPERATION | Invalid operation. |
| DDK_NULL_PTR | Null pointer. |
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