X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=tests%2Fthreads.pure.lisp;h=ea80fa33e06d9b4c2794953c52b2fe9cd98432ff;hb=46f4a60387df5259b0e355169dccd97f541a8c31;hp=3d6d119b4e8e9f0533c93de0f6c34887b513e732;hpb=b56c1a4dc22aa0ac827343667584aa6090b15f02;p=sbcl.git diff --git a/tests/threads.pure.lisp b/tests/threads.pure.lisp index 3d6d119..ea80fa3 100644 --- a/tests/threads.pure.lisp +++ b/tests/threads.pure.lisp @@ -14,16 +14,29 @@ (in-package :cl-user) (defpackage :thread-test - (:use :cl :sb-thread)) + (:use :cl :sb-thread :sb-ext)) (in-package :thread-test) (use-package :test-util) +(with-test (:name atomic-update + :skipped-on '(not :sb-thread)) + (let ((x (cons :count 0)) + (nthreads (ecase sb-vm:n-word-bits (32 100) (64 1000)))) + (mapc #'sb-thread:join-thread + (loop repeat nthreads + collect (sb-thread:make-thread + (lambda () + (loop repeat 1000 + do (atomic-update (cdr x) #'1+) + (sleep 0.00001)))))) + (assert (equal x `(:count ,@(* 1000 nthreads)))))) + (with-test (:name mutex-owner) ;; Make sure basics are sane on unithreaded ports as well (let ((mutex (make-mutex))) - (get-mutex mutex) + (grab-mutex mutex) (assert (eq *current-thread* (mutex-value mutex))) (handler-bind ((warning #'error)) (release-mutex mutex)) @@ -43,7 +56,8 @@ ;;; Condition-wait should not be interruptible under WITHOUT-INTERRUPTS (with-test (:name without-interrupts+condition-wait - :skipped-on '(not :sb-thread)) + :skipped-on '(not :sb-thread) + :fails-on '(and :win32 :sb-futex)) (let* ((lock (make-mutex)) (queue (make-waitqueue)) (thread (make-thread (lambda () @@ -59,11 +73,11 @@ (sleep 1) (assert (not (thread-alive-p thread))))) -;;; GET-MUTEX should not be interruptible under WITHOUT-INTERRUPTS +;;; GRAB-MUTEX should not be interruptible under WITHOUT-INTERRUPTS -(with-test (:name without-interrupts+get-mutex :skipped-on '(not :sb-thread)) +(with-test (:name without-interrupts+grab-mutex :skipped-on '(not :sb-thread)) (let* ((lock (make-mutex)) - (bar (progn (get-mutex lock) nil)) + (bar (progn (grab-mutex lock) nil)) (thread (make-thread (lambda () (sb-sys:without-interrupts (with-mutex (lock) @@ -179,11 +193,9 @@ ;;; Disabled on Darwin due to deadlocks caused by apparent OS specific deadlocks, ;;; wich _appear_ to be caused by malloc() and free() not being thread safe: an -;;; interrupted malloc in one thread can apparently block a free in another. There -;;; are also some indications that pthread_mutex_lock is not re-entrant. +;;; interrupted malloc in one thread can apparently block a free in another. (with-test (:name symbol-value-in-thread.3 - :skipped-on '(not :sb-thread) - :broken-on :darwin) + :skipped-on '(not :sb-thread)) (let* ((parent *current-thread*) (semaphore (make-semaphore)) (running t) @@ -197,7 +209,7 @@ (loop repeat (random 128) do (setf ** *))))))) (write-string "; ") - (dotimes (i 15000) + (dotimes (i #+win32 2000 #-win32 15000) (when (zerop (mod i 200)) (write-char #\.) (force-output)) @@ -307,13 +319,10 @@ (t1 (sb-thread:make-thread (test m1 m2 s1 s2) :name "T1")) (t2 (sb-thread:make-thread (test m2 m1 s2 s1) :name "T2"))) ;; One will deadlock, and the other will then complete normally. - ;; ...except sometimes, when we get unlucky, and both will do - ;; the deadlock detection in parallel and both signal. (let ((res (list (sb-thread:join-thread t1) (sb-thread:join-thread t2)))) (assert (or (equal '(:deadlock :ok) res) - (equal '(:ok :deadlock) res) - (equal '(:deadlock :deadlock) res)))))))) + (equal '(:ok :deadlock) res)))))))) (with-test (:name deadlock-detection.2 :skipped-on '(not :sb-thread)) (let* ((m1 (sb-thread:make-mutex :name "M1")) @@ -476,7 +485,7 @@ collect (make-thread (lambda () (sleep (random 0.02)) - (wait-on-semaphore sem :timeout 0.01))))))) + (wait-on-semaphore sem :timeout 0.5))))))) (loop repeat 5 do (signal-semaphore sem 2)) (let ((ok (count-if #'join-thread threads))) @@ -487,11 +496,101 @@ :skipped-on '(not :sb-thread)) (assert (eq :error (handler-case - (join-thread (make-thread (lambda () (sleep 10))) :timeout 0.01) + (join-thread (make-join-thread (lambda () (sleep 10))) :timeout 0.01) (join-thread-error () :error)))) (let ((cookie (cons t t))) (assert (eq cookie - (join-thread (make-thread (lambda () (sleep 10))) + (join-thread (make-join-thread (lambda () (sleep 10))) :timeout 0.01 :default cookie))))) + +(with-test (:name (:semaphore-notification :wait-on-semaphore) + :skipped-on '(not :sb-thread)) + (let ((sem (make-semaphore)) + (ok nil) + (n 0)) + (flet ((critical () + (let ((note (make-semaphore-notification))) + (sb-sys:without-interrupts + (unwind-protect + (progn + (sb-sys:with-local-interrupts + (wait-on-semaphore sem :notification note) + (sleep (random 0.1))) + (incf n)) + ;; Re-increment on exit if we decremented it. + (when (semaphore-notification-status note) + (signal-semaphore sem)) + ;; KLUDGE: Prevent interrupts after this point from + ;; unwinding us, so that we can reason about the counts. + #+sb-thread + (sb-thread::block-deferrable-signals)))))) + (let* ((threads (loop for i from 1 upto 100 + collect (make-join-thread #'critical :name (format nil "T~A" i)))) + (safe nil) + (unsafe nil) + (interruptor (make-thread (lambda () + (loop until ok) + (let (x) + (dolist (thread threads) + (cond (x + (push thread unsafe) + (sleep (random 0.1)) + (ignore-errors + (terminate-thread thread))) + (t + (push thread safe))) + (setf x (not x)))))))) + (signal-semaphore sem) + (setf ok t) + (join-thread interruptor) + (mapc #'join-thread safe) + (let ((k (count-if (lambda (th) + (join-thread th :default nil)) + unsafe))) + (assert (= n (+ k (length safe)))) + (assert unsafe)))))) + +(with-test (:name (:semaphore-notification :try-sempahore) + :skipped-on '(not :sb-thread)) + (let* ((sem (make-semaphore)) + (note (make-semaphore-notification))) + (try-semaphore sem 1 note) + (assert (not (semaphore-notification-status note))) + (signal-semaphore sem) + (try-semaphore sem 1 note) + (assert (semaphore-notification-status note)))) + +(with-test (:name (:return-from-thread :normal-thread) + :skipped-on '(not :sb-thread)) + (let* ((thread (make-thread (lambda () + (return-from-thread (values 1 2 3)) + :foo))) + (values (multiple-value-list (join-thread thread)))) + (unless (equal (list 1 2 3) values) + (error "got ~S, wanted (1 2 3)" values)))) + +(with-test (:name (:return-from-thread :main-thread)) + (assert (main-thread-p)) + (assert (eq :oops + (handler-case + (return-from-thread t) + (thread-error () + :oops))))) + +(with-test (:name (:abort-thread :normal-thread) + :skipped-on '(not :sb-thread)) + (let ((thread (make-thread (lambda () + (abort-thread) + :foo)))) + (assert (eq :aborted! (join-thread thread :default :aborted!))))) + +(with-test (:name (:abort-thread :main-thread)) + (assert (main-thread-p)) + (assert (eq :oops + (handler-case + (abort-thread) + (thread-error () + :oops))))) +