This signal is sent from a Source to a Sink at the start of a stream to inform it
that values can be pulled and/or will be sent. This signal carries a
talkback function that is used by the Sink to communicate back to the
Source as a callback. The talkback accepts Pull and
Close signals.
Indicates the start of a stream to a Sink.
Remarks
This signal is sent from a Source to a Sink at the start of a stream to inform it that values can be pulled and/or will be sent. This signal carries a talkback function that is used by the Sink to communicate back to the Source as a callback. The talkback accepts Pull and Close signals.