Waits for an acknowledgement from a Messenger channel. If no acknowledgement from the channel, this endpoint waits until the acknowledgement is available.

You can drop this endpoint on the block diagram by right-clicking a Messenger channel terminal or wire and selecting Create»Channel Reader»Messenger»Read Ack.


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Inputs/Outputs

  • ci32.png timeout in ms (-1) —

    timeout in ms is the time, in milliseconds, that this endpoint has to wait for acknowledgment from a message. The default value is -1, which means there is no time limit.

  • cqueuern.png channel —

    channel is the channel wire that connects this endpoint to a writer endpoint.

  • cu32.png ack id (0) —

    ack id specifies the ID number of a message to be acknowledged. The default is 0, which means the endpoint waits for any message to be acknowledged. If ack id is not 0, the endpoint waits for the acknowledgment from the message with the specified ID.

  • ibool.png timed out? —

    timed out? returns TRUE if the amount of time specified by timeout in ms elapses.

    • Related Information

    Write Ack