(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))
(assert (not (mutex-value mutex)))))
-(with-test (:name spinlock-owner)
- ;; Make sure basics are sane on unithreaded ports as well
- (let ((spinlock (sb-thread::make-spinlock)))
- (sb-thread::get-spinlock spinlock)
- (assert (eq *current-thread* (sb-thread::spinlock-value spinlock)))
- (handler-bind ((warning #'error))
- (sb-thread::release-spinlock spinlock))
- (assert (not (sb-thread::spinlock-value spinlock)))))
-
;;; Terminating a thread that's waiting for the terminal.
#+sb-thread
;;; 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 ()
(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)
;;; 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)
(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))
(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"))
:deadlock))))
(assert (eq :ok (join-thread t1)))))
-(with-test (:name deadlock-detection.4 :skipped-on '(not :sb-thread))
- (loop
- repeat 1000
- do (flet ((test (ma mb sa sb)
- (lambda ()
- (handler-case
- (sb-thread::with-spinlock (ma)
- (sb-thread:signal-semaphore sa)
- (sb-thread:wait-on-semaphore sb)
- (sb-thread::with-spinlock (mb)
- :ok))
- (sb-thread:thread-deadlock (e)
- (princ e)
- :deadlock)))))
- (let* ((m1 (sb-thread::make-spinlock :name "M1"))
- (m2 (sb-thread::make-spinlock :name "M2"))
- (s1 (sb-thread:make-semaphore :name "S1"))
- (s2 (sb-thread:make-semaphore :name "S2"))
- (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))))))))
-
-(with-test (:name deadlock-detection.5 :skipped-on '(not :sb-thread))
- (let* ((m1 (sb-thread::make-spinlock :name "M1"))
- (m2 (sb-thread::make-spinlock :name "M2"))
- (s1 (sb-thread:make-semaphore :name "S1"))
- (s2 (sb-thread:make-semaphore :name "S2"))
- (t1 (sb-thread:make-thread
- (lambda ()
- (sb-thread::with-spinlock (m1)
- (sb-thread:signal-semaphore s1)
- (sb-thread:wait-on-semaphore s2)
- (sb-thread::with-spinlock (m2)
- :ok)))
- :name "T1")))
- (prog (err)
- :retry
- (handler-bind ((sb-thread:thread-deadlock
- (lambda (e)
- (unless err
- ;; Make sure we can print the condition
- ;; while it's active
- (let ((*print-circle* nil))
- (setf err (princ-to-string e)))
- (go :retry)))))
- (when err
- (sleep 1))
- (assert (eq :ok (sb-thread::with-spinlock (m2)
- (unless err
- (sb-thread:signal-semaphore s2)
- (sb-thread:wait-on-semaphore s1)
- (sleep 1))
- (sb-thread::with-spinlock (m1)
- :ok)))))
- (assert (stringp err)))
- (assert (eq :ok (sb-thread:join-thread t1)))))
-
-(with-test (:name deadlock-detection.7 :skipped-on '(not :sb-thread))
- (let* ((m1 (sb-thread::make-spinlock :name "M1"))
- (m2 (sb-thread::make-spinlock :name "M2"))
- (s1 (sb-thread:make-semaphore :name "S1"))
- (s2 (sb-thread:make-semaphore :name "S2"))
- (t1 (sb-thread:make-thread
- (lambda ()
- (sb-thread::with-spinlock (m1)
- (sb-thread:signal-semaphore s1)
- (sb-thread:wait-on-semaphore s2)
- (sb-thread::with-spinlock (m2)
- :ok)))
- :name "T1")))
- (assert (eq :deadlock
- (handler-case
- (sb-thread::with-spinlock (m2)
- (sb-thread:signal-semaphore s2)
- (sb-thread:wait-on-semaphore s1)
- (sleep 1)
- (sb-sys:with-deadline (:seconds 0.1)
- (sb-thread::with-spinlock (m1)
- :ok)))
- (sb-sys:deadline-timeout ()
- :deadline)
- (sb-thread:thread-deadlock ()
- :deadlock))))
- (assert (eq :ok (join-thread t1)))))
-
#+sb-thread
(with-test (:name :pass-arguments-to-thread)
(assert (= 3 (join-thread (make-thread #'+ :arguments '(1 2))))))
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)))
(unless (eql 20 ok)
(error "Wanted 20, got ~S" ok)))))
+
+(with-test (:name (:join-thread :timeout)
+ :skipped-on '(not :sb-thread))
+ (assert (eq :error
+ (handler-case
+ (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-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)))))
+