acltdtGetBufDataLen

Applicability

Product	Supported
Atlas A3 training products/Atlas A3 inference products	x
Atlas A2 training products/Atlas A2 inference products	x
Atlas 200I/500 A2 inference products	√
Atlas inference products	x
Atlas training products	x

Description

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, which must be obtained by calling acltdtAllocBuf or acltdtCopyBufRef.
len	Output	Length of valid data, in bytes.

Returns

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

Restrictions

For the Atlas 200I/500 A2 inference products, this API can be used only in the Ascend RC.

Parent topic: Shared Buffer Management