1 ;;;; miscellaneous tests of thread stuff
3 ;;;; This software is part of the SBCL system. See the README file for
6 ;;;; While most of SBCL is derived from the CMU CL system, the test
7 ;;;; files (like this one) were written from scratch after the fork
10 ;;;; This software is in the public domain and is provided with
11 ;;;; absoluely no warranty. See the COPYING and CREDITS files for
12 ;;;; more information.
16 (defpackage :thread-test
17 (:use :cl :sb-thread))
19 (in-package :thread-test)
21 (use-package :test-util)
23 (with-test (:name mutex-owner)
24 ;; Make sure basics are sane on unithreaded ports as well
25 (let ((mutex (make-mutex)))
27 (assert (eq *current-thread* (mutex-value mutex)))
28 (handler-bind ((warning #'error))
29 (release-mutex mutex))
30 (assert (not (mutex-value mutex)))))
32 (with-test (:name spinlock-owner)
33 ;; Make sure basics are sane on unithreaded ports as well
34 (let ((spinlock (sb-thread::make-spinlock)))
35 (sb-thread::get-spinlock spinlock)
36 (assert (eq *current-thread* (sb-thread::spinlock-value spinlock)))
37 (handler-bind ((warning #'error))
38 (sb-thread::release-spinlock spinlock))
39 (assert (not (sb-thread::spinlock-value spinlock)))))
41 ;;; Terminating a thread that's waiting for the terminal.
44 (let ((thread (make-thread (lambda ()
45 (sb-thread::get-foreground)))))
47 (assert (thread-alive-p thread))
48 (terminate-thread thread)
50 (assert (not (thread-alive-p thread))))
52 ;;; Condition-wait should not be interruptible under WITHOUT-INTERRUPTS
55 (with-test (:name without-interrupts+condition-wait
57 (let* ((lock (make-mutex))
58 (queue (make-waitqueue))
59 (thread (make-thread (lambda ()
60 (sb-sys:without-interrupts
62 (condition-wait queue lock)))))))
64 (assert (thread-alive-p thread))
65 (terminate-thread thread)
67 (assert (thread-alive-p thread))
68 (condition-notify queue)
70 (assert (not (thread-alive-p thread)))))
72 ;;; GET-MUTEX should not be interruptible under WITHOUT-INTERRUPTS
75 (with-test (:name without-interrupts+get-mutex)
76 (let* ((lock (make-mutex))
77 (bar (progn (get-mutex lock) nil))
78 (thread (make-thread (lambda ()
79 (sb-sys:without-interrupts
83 (assert (thread-alive-p thread))
84 (terminate-thread thread)
86 (assert (thread-alive-p thread))
89 (assert (not (thread-alive-p thread)))
90 (assert (eq :aborted (join-thread thread :default :aborted)))
94 (with-test (:name parallel-find-class)
96 (threads (loop repeat 10
97 collect (make-thread (lambda ()
100 do (find-class (gensym) nil))
101 (serious-condition ()
103 (mapcar #'sb-thread:join-thread threads)
104 (assert (not oops))))
107 (with-test (:name :semaphore-multiple-waiters)
108 (let ((semaphore (make-semaphore :name "test sem")))
109 (labels ((make-readers (n i)
111 (loop for r from 0 below n
114 (sb-thread:make-thread (lambda ()
115 (let ((sem semaphore))
117 (sb-thread:wait-on-semaphore sem))))
120 (make-writers (n readers i)
121 (let ((j (* readers i)))
122 (multiple-value-bind (k rem) (truncate j n)
125 (loop for w from 0 below n
128 (sb-thread:make-thread (lambda ()
129 (let ((sem semaphore))
131 (sb-thread:signal-semaphore sem))))
137 (multiple-value-bind (readers x) (make-readers r n)
138 (assert (= (length readers) r))
139 (multiple-value-bind (writers y) (make-writers w r n)
140 (assert (= (length writers) w))
142 (mapc #'sb-thread:join-thread writers)
143 (mapc #'sb-thread:join-thread readers)
144 (assert (zerop (sb-thread:semaphore-count semaphore)))
149 (sb-ext:with-timeout 10