acltdtGetBufChainNum

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	☓

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