aclrtKernelArgsGetPlaceHolderBuffer
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Function
Obtains the memory address to which the paramHandle placeholder points based on the memory size specified by the user.
Prototype
1 | aclError aclrtKernelArgsGetPlaceHolderBuffer(aclrtArgsHandle argsHandle, aclrtParamHandle paramHandle, size_t dataSize, void **bufferAddr) |
Parameters
Parameter |
Input/Output |
Description |
|---|---|---|
argsHandle |
Input |
Handle to the parameter list. For details about the type definition, see aclrtArgsHandle. |
paramHandle |
Input |
Parameter handle. For details about the type definition, see aclrtParamHandle. The value of paramHandle must be the same as that of paramHandle in aclrtKernelArgsAppendPlaceHolder. |
dataSize |
Input |
Memory size. |
bufferAddr |
Output |
Memory address to which the paramHandle placeholder points. You need to manage the data in the memory, but not the memory lifecycle. |
Returns
0 on success; otherwise, failure. For details, see aclError.