Return a constantly incrementing group id.
This function is used to generate a new group-id for the stream-start event.
Return: A constantly incrementing unsigned integer, which might overflow back to 0 at some point.
See Implementation
Return a constantly incrementing group id.
This function is used to generate a new group-id for the stream-start event.
Return: A constantly incrementing unsigned integer, which might overflow back to 0 at some point.