1 ;;; -*- Mode: Lisp; Syntax: ANSI-Common-Lisp; indent-tabs-mode: nil -*-
4 Copyright
2006, 2007 Greg Pfeil
6 Distributed under the MIT license
(see LICENSE file
)
9 (in-package #:bordeaux-threads
)
11 ;;; documentation on the ECL Multiprocessing interface can be found at
12 ;;; http://ecls.sourceforge.net/cgi-bin/view/Main/MultiProcessing
16 (defun %make-thread
(function name
)
17 (mp:process-run-function name function
))
19 (defun current-thread ()
20 mp
::*current-process
*)
22 (defun threadp (object)
23 (typep object
'mp
:process
))
25 (defun thread-name (thread)
26 (mp:process-name thread
))
28 ;;; Resource contention: locks and recursive locks
30 (defun make-lock (&optional name
)
31 (mp:make-lock
:name
(or name
"Anonymous lock")))
33 (defun acquire-lock (lock &optional
(wait-p t
))
34 (mp:get-lock lock wait-p
))
36 (defun release-lock (lock)
37 (mp:giveup-lock lock
))
39 (defmacro with-lock-held
((place) &body body
)
40 `(mp:with-lock
(,place
) ,@body
))
43 ;; * make-recursive-lock
44 ;; * acquire-recursive-lock
45 ;; * release-recursive-lock
47 ;;; Resource contention: condition variables
49 (defun thread-yield ()
53 ;;; Introspection/debugging
58 (defun interrupt-thread (thread function
)
59 (mp:interrupt-process thread function
))
61 (defun destroy-thread (thread)
62 (signal-error-if-current-thread thread
)
63 (mp:process-kill thread
))
65 (defun thread-alive-p (thread)
66 (mp:process-active-p thread
))