The function
make-mailbox
returns a new mailbox.
size specifies the initial size of the mailbox mailbox .
The reader process is set to
nil
.
name does not affect the functionality of mailbox , but can be very useful for debugging. It appears in the printed representation of mailbox , and also in the process-whostate of any process that waits for mailbox (using mailbox-read).
LispWorks User Guide and Reference Manual - 21 Dec 2011