select

Block on multiple Channels

Only one operation is completed per select() call

select

(

Duration timeout = Duration.init

)

Parameters

read_list SelectEntry[]: List of Channels to select for read operation
write_list SelectEntry[]: List of Channels to select for write operation
timeout Duration: Optional timeout
Return: Returns success/failure status of the operation and the index of the Channel that the operation was carried on. The index is the position of the SelectEntry in read_list ~ write_list, ie concatenated lists.