RosettaCodeData/Task/Concurrent-computing/Common-Lisp/concurrent-computing.lisp

11 lines
482 B
Common Lisp

(defun concurrency-example (&optional (out *standard-output*))
(let ((lock (bordeaux-threads:make-lock)))
(flet ((writer (string)
#'(lambda ()
(bordeaux-threads:acquire-lock lock t)
(write-line string out)
(bordeaux-threads:release-lock lock))))
(bordeaux-threads:make-thread (writer "Enjoy"))
(bordeaux-threads:make-thread (writer "Rosetta"))
(bordeaux-threads:make-thread (writer "Code")))))