acltdtGetBufDataLen

Applicable Products

Product	Supported
Ascend 950PR/Ascend 950DT	☓
Atlas A3 training products/Atlas A3 inference products	☓
Atlas A2 training products/Atlas A2 inference products	☓
Atlas 200I/500 A2 inference products	√
Atlas inference products	☓
Atlas training products	☓

Function

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

This API is effective only after acltdtSetBufDataLen is called to set the length of the valid data in the shared buffer. Otherwise, the length obtained by calling this API is 0.

Prototype

aclError acltdtGetBufDataLen(acltdtBuf buf, size_t *len)

Parameters

Parameter	Input/Output	Description
buf	Input	Pointer to the shared buffer. For details about the type definition, see acltdtBuf. The shared buffer must be obtained by calling acltdtAllocBuf or acltdtCopyBufRef.
len	Output	Length of valid data, in bytes.

Parameter

Input/Output

Description

buf

Input

Pointer to the shared buffer. For details about the type definition, see acltdtBuf.

The shared buffer must be obtained by calling acltdtAllocBuf or acltdtCopyBufRef.

len

Output

Length of valid data, in bytes.

Returns

0 on success; otherwise, failure. For details, see aclError.

Parent topic: Shared Buffer Management