(in-package "SB-THREAD") ; this is white-box testing, really
+(use-package :test-util)
+
+(defun wait-for-threads (threads)
+ (loop while (some #'sb-thread:thread-alive-p threads) do (sleep 0.01)))
+
(assert (eql 1 (length (list-all-threads))))
(assert (eq *current-thread*
;; Start NTHREADS idle threads.
(dotimes (i nthreads)
(sb-thread:make-thread (lambda ()
- (sb-thread:condition-wait queue mutex)
+ (with-mutex (mutex)
+ (sb-thread:condition-wait queue mutex))
(sb-ext:quit))))
(let ((start-time (get-internal-run-time)))
(funcall function)
(format t "done ~A~%" *current-thread*))))
(let ((kid1 (make-thread #'run))
(kid2 (make-thread #'run)))
- (format t "contention ~A ~A~%" kid1 kid2))))
+ (format t "contention ~A ~A~%" kid1 kid2)
+ (wait-for-threads (list kid1 kid2)))))
+
+;;; semaphores
+
+(defmacro raises-timeout-p (&body body)
+ `(handler-case (progn (progn ,@body) nil)
+ (sb-ext:timeout () t)))
+
+(with-test (:name (:semaphore :wait-forever))
+ (let ((sem (make-semaphore :count 0)))
+ (assert (raises-timeout-p
+ (sb-ext:with-timeout 0.1
+ (wait-on-semaphore sem))))))
+
+(with-test (:name (:semaphore :initial-count))
+ (let ((sem (make-semaphore :count 1)))
+ (sb-ext:with-timeout 0.1
+ (wait-on-semaphore sem))))
+
+(with-test (:name (:semaphore :wait-then-signal))
+ (let ((sem (make-semaphore))
+ (signalled-p nil))
+ (make-thread (lambda ()
+ (sleep 0.1)
+ (setq signalled-p t)
+ (signal-semaphore sem)))
+ (wait-on-semaphore sem)
+ (assert signalled-p)))
+
+(with-test (:name (:semaphore :signal-then-wait))
+ (let ((sem (make-semaphore))
+ (signalled-p nil))
+ (make-thread (lambda ()
+ (signal-semaphore sem)
+ (setq signalled-p t)))
+ (loop until signalled-p)
+ (wait-on-semaphore sem)
+ (assert signalled-p)))
+
+(with-test (:name (:semaphore :multiple-signals))
+ (let* ((sem (make-semaphore :count 5))
+ (threads (loop repeat 20
+ collect (make-thread (lambda ()
+ (wait-on-semaphore sem))))))
+ (flet ((count-live-threads ()
+ (count-if #'thread-alive-p threads)))
+ (sleep 0.5)
+ (assert (= 15 (count-live-threads)))
+ (signal-semaphore sem 10)
+ (sleep 0.5)
+ (assert (= 5 (count-live-threads)))
+ (signal-semaphore sem 3)
+ (sleep 0.5)
+ (assert (= 2 (count-live-threads)))
+ (signal-semaphore sem 4)
+ (sleep 0.5)
+ (assert (= 0 (count-live-threads))))))
+
+(format t "~&semaphore tests done~%")
(defun test-interrupt (function-to-interrupt &optional quit-p)
(let ((child (make-thread function-to-interrupt)))
(test-interrupt #'loop-forever :quit)
(let ((child (test-interrupt (lambda () (loop (sleep 2000))))))
- (terminate-thread child))
+ (terminate-thread child)
+ (wait-for-threads (list child)))
(let ((lock (make-mutex :name "loctite"))
child)
(sleep 5)
(interrupt-thread child (lambda () (format t "l ~A~%" (mutex-value lock))))
(format t "parent releasing lock~%"))
- (terminate-thread child))
+ (terminate-thread child)
+ (wait-for-threads (list child)))
(format t "~&locking test done~%")
(sleep (random 0.1d0))
(princ ".")
(force-output)
- (sb-thread:interrupt-thread
- thread
- (lambda ()))))))))
- (loop while (some #'thread-alive-p killers) do (sleep 0.1))
- (sb-thread:terminate-thread thread)))
+ (sb-thread:interrupt-thread thread (lambda ()))))))))
+ (wait-for-threads killers)
+ (sb-thread:terminate-thread thread)
+ (wait-for-threads (list thread))))
(sb-ext:gc :full t))
(format t "~&multi interrupt test done~%")
(let ((c (make-thread (lambda () (loop (alloc-stuff))))))
;; NB this only works on x86: other ports don't have a symbol for
;; pseudo-atomic atomicity
- (format t "new thread ~A~%" c)
(dotimes (i 100)
(sleep (random 0.1d0))
(interrupt-thread c
(lambda ()
(princ ".") (force-output)
- (assert (eq (thread-state *current-thread*) :running))
+ (assert (thread-alive-p *current-thread*))
(assert (zerop SB-KERNEL:*PSEUDO-ATOMIC-ATOMIC*)))))
- (terminate-thread c))
+ (terminate-thread c)
+ (wait-for-threads (list c)))
(format t "~&interrupt test done~%")
(dotimes (i 100)
(sleep (random 0.1d0))
(interrupt-thread c func))
- (format t "~&waiting for interrupts to arrive~%")
(loop until (= *interrupt-count* 100) do (sleep 0.1))
- (terminate-thread c)))
+ (terminate-thread c)
+ (wait-for-threads (list c))))
(format t "~&interrupt count test done~%")
(loop while (thread-alive-p interruptor-thread)))
(format t "~&session lock test done~%")
+
+(wait-for-threads
+ (loop for i below 2000 collect
+ (sb-thread:make-thread (lambda ()))))
+
+(format t "~&creation test done~%")
+
+;; watch out for *current-thread* being the parent thread after exit
+(let* (sap
+ (thread (sb-thread:make-thread
+ (lambda ()
+ (setq sap (thread-sap-for-id
+ (thread-os-thread *current-thread*)))))))
+ (wait-for-threads (list thread))
+ (assert (null (symbol-value-in-thread 'sb-thread:*current-thread*
+ sap))))
+
+;; interrupt handlers are per-thread with pthreads, make sure the
+;; handler installed in one thread is global
+(sb-thread:make-thread
+ (lambda ()
+ (sb-ext:run-program "sleep" '("1") :search t :wait nil)))
+
#| ;; a cll post from eric marsden
| (defun crash ()
| (setq *debugger-hook*
| (mp:make-process #'roomy)
| (mp:make-process #'roomy)))
|#
-
-;; give the other thread time to die before we leave, otherwise the
-;; overall exit status is 0, not 104
-(sleep 2)
-
-(sb-ext:quit :unix-status 104)
projects / sbcl.git / blobdiff