UDP Callback Mechanism

LabWindows/CVI 2017 Help

Edition Date: May 2017

Part Number: 370051AG-01

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Windows The callback mechanism is event driven. Each thread creates a window to which the system asynchronously posts FD_READ messages when data is available at the port.

RT The system select function polls each channel when the user processes events. If the function finds available data on a port for which the thread has registered a callback, the user's callback is immediately called.

UDP_DATAREADY is the only supported event.

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