acltdtGetBufDataLen

The Atlas Training Series Product does not support this API.

Obtains the length of the valid data in the shared buffer.

This API can be called to obtain valid data length only after acltdtSetBufDataLen is called to set the valid data length in the shared buffer. Otherwise, the length obtained by calling this API is 0.
For the Atlas 200/300/500 Inference Product, this API can be used only in the following modes:
Ascend RC Form

aclError acltdtGetBufDataLen(acltdtBuf buf, size_t *len)

Parameter	Input/Output	Description
buf	Input	Pointer to the shared buffer, which must be obtained by calling acltdtAllocBuf or acltdtCopyBufRef.
len	Output	Length of valid data, in bytes.

The value 0 indicates success, and other values indicate failure. For details, see aclError.

Parent topic: Shared Buffer Management