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impl-mkcl.lisp (2532B) | |
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1 ;;;; -*- indent-tabs-mode: nil -*- | |
2 | |
3 #| | |
4 Copyright 2006, 2007 Greg Pfeil | |
5 Copyright 2010 Jean-Claude Beaudoin. | |
6 | |
7 Distributed under the MIT license (see LICENSE file) | |
8 |# | |
9 | |
10 (in-package #:bordeaux-threads) | |
11 | |
12 (deftype thread () | |
13 'mt:thread) | |
14 | |
15 ;;; Thread Creation | |
16 | |
17 (defun %make-thread (function name) | |
18 (mt:thread-run-function name function)) | |
19 | |
20 (defun current-thread () | |
21 mt::*thread*) | |
22 | |
23 (defun threadp (object) | |
24 (typep object 'mt:thread)) | |
25 | |
26 (defun thread-name (thread) | |
27 (mt:thread-name thread)) | |
28 | |
29 ;;; Resource contention: locks and recursive locks | |
30 | |
31 (deftype lock () 'mt:lock) | |
32 | |
33 (deftype recursive-lock () | |
34 '(and mt:lock (satisfies mt:recursive-lock-p))) | |
35 | |
36 (defun lock-p (object) | |
37 (typep object 'mt:lock)) | |
38 | |
39 (defun recursive-lock-p (object) | |
40 (and (typep object 'mt:lock) | |
41 (mt:recursive-lock-p object))) | |
42 | |
43 (defun make-lock (&optional name) | |
44 (mt:make-lock :name (or name "Anonymous lock"))) | |
45 | |
46 (defun acquire-lock (lock &optional (wait-p t)) | |
47 (mt:get-lock lock wait-p)) | |
48 | |
49 (defun release-lock (lock) | |
50 (mt:giveup-lock lock)) | |
51 | |
52 (defmacro with-lock-held ((place) &body body) | |
53 `(mt:with-lock (,place) ,@body)) | |
54 | |
55 (defun make-recursive-lock (&optional name) | |
56 (mt:make-lock :name (or name "Anonymous recursive lock") :recursive t)) | |
57 | |
58 (defun acquire-recursive-lock (lock &optional (wait-p t)) | |
59 (mt:get-lock lock wait-p)) | |
60 | |
61 (defun release-recursive-lock (lock) | |
62 (mt:giveup-lock lock)) | |
63 | |
64 (defmacro with-recursive-lock-held ((place) &body body) | |
65 `(mt:with-lock (,place) ,@body)) | |
66 | |
67 ;;; Resource contention: condition variables | |
68 | |
69 (defun make-condition-variable (&key name) | |
70 (declare (ignore name)) | |
71 (mt:make-condition-variable)) | |
72 | |
73 (defun condition-wait (condition-variable lock &key timeout) | |
74 (signal-error-if-condition-wait-timeout timeout) | |
75 (mt:condition-wait condition-variable lock) | |
76 t) | |
77 | |
78 (define-condition-wait-compiler-macro) | |
79 | |
80 (defun condition-notify (condition-variable) | |
81 (mt:condition-signal condition-variable)) | |
82 | |
83 (defun thread-yield () | |
84 (mt:thread-yield)) | |
85 | |
86 ;;; Introspection/debugging | |
87 | |
88 (defun all-threads () | |
89 (mt:all-threads)) | |
90 | |
91 (defun interrupt-thread (thread function &rest args) | |
92 (flet ((apply-function () | |
93 (if args | |
94 (lambda () (apply function args)) | |
95 function))) | |
96 (declare (dynamic-extent #'apply-function)) | |
97 (mt:interrupt-thread thread (apply-function)))) | |
98 | |
99 (defun destroy-thread (thread) | |
100 (signal-error-if-current-thread thread) | |
101 (mt:thread-kill thread)) | |
102 | |
103 (defun thread-alive-p (thread) | |
104 (mt:thread-active-p thread)) | |
105 | |
106 (defun join-thread (thread) | |
107 (mt:thread-join thread)) | |
108 | |
109 (mark-supported) |