Intel® FPGA SDK for OpenCL™ Pro Edition: Custom Platform Toolkit User Guide

ID 683085
Date 3/28/2022
Document Table of Contents

2.3.11. aocl_mmd_yield

The aocl_mmd_yield function is called when the host interface is idle. The host interface might be idle because it is waiting for the device to process certain events.


int aocl_mmd_yield( int handle );

Function Arguments

handle—A positive int value representing the handle to the board obtained from the aocl_mmd_open() call.

Return Value

A nonzero return value indicates that the yield function performed work necessary for proper device functioning such as processing direct memory access (DMA) transactions.

A return value of 0 indicates that the yield function did not perform work necessary for proper device functioning.

Note: The yield function might be called continuously if it reports that it has necessary work to perform.

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