Add the given file (identified by its path) to the queue and return the
corresponding element name, the file must be on the same filesystem and
will be moved to the queue.
Purge the queue by removing unused intermediate directories, removing too
old temporary elements and unlocking too old locked elements (aka staled
locks); note: this can take a long time on queues with many elements.
Purge the queue by removing unused intermediate directories, removing too
old temporary elements and unlocking too old locked elements (aka staled
locks); note: this can take a long time on queues with many elements.
Purge the queue by removing unused intermediate directories, removing too
old temporary elements and unlocking too old locked elements (aka staled
locks); note: this can take a long time on queues with many elements.