ack_all_pending_messages_async
Description:
Acknowledge all the pending messages.
This is equivalent of calling ack_messages_async with the list of SignalledMessage returned by dup_pending_messages.
Once the messages have been acked, callback will be called. You can then call
ack_all_pending_messages_async.end to get the result of the operation.
See ack_message_async about acknowledging messages.
Parameters:
| this | |
| callback |
a callback to call when the messages have been acked |
| user_data |
data to pass to |