acltdtGetBufChainNum

Product	Supported
Atlas 350 Accelerator Card	☓
Atlas A3 training product/Atlas A3 inference product	☓
Atlas A2 training product/Atlas A2 inference product	☓
Atlas 200I/500 A2 inference product	√
Atlas inference product	☓
Atlas training product	☓

Obtains the number of shared buffers in a shared buffer chain.

aclError acltdtGetBufChainNum(acltdtBuf headBuf, uint32_t *num)

Parameter	Input/Output	Description
headBuf	Input	First shared buffer at the head of the shared buffer chain. For details about the type definition, see acltdtBuf. The shared buffer must be obtained by calling acltdtAllocBuf or acltdtCopyBufRef.
num	Output	Number of shared buffers in a shared buffer chain.

Parameter

Input/Output

Description

headBuf

Input

First shared buffer at the head of the shared buffer chain. For details about the type definition, see acltdtBuf.

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

num

Output

Number of shared buffers in a shared buffer chain.

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

Parent topic: Shared Buffer Management