acltdtGetBufFromChain

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

Obtains the Nth Mbuf in a Mbuf chain. (N is the value of index.)

aclError acltdtGetBufFromChain(acltdtBuf headBuf, uint32_t index, acltdtBuf *buf)

Parameter	Input/Output	Description
headBuf	Input	First shared buffer at the head of the shared buffer chain, which must be obtained by calling acltdtAllocBuf or acltdtCopyBufRef.
index	Input	Index of a shared buffer in a shared buffer chain (starting from 0).
buf	Output	Shared buffer specified by index.

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

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

Parent topic: Shared Buffer Management