acltdtGetBufChainNum

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 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, which must be obtained by calling acltdtAllocBuf or acltdtCopyBufRef.
num	Output	Number of shared buffers in a shared buffer chain.

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