X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=tests%2Fthreads.impure.lisp;h=9672f49ee951644d02672fa50209bbf8074aed3b;hb=d6f9676ae94419cb5544c45821a8d31adbc1fbe8;hp=5f9128f470159804deb97fd4fb9a6bbbe6757d75;hpb=0301f631b44b8b5b46e887982f98d5baa7b0e97a;p=sbcl.git diff --git a/tests/threads.impure.lisp b/tests/threads.impure.lisp index 5f9128f..9672f49 100644 --- a/tests/threads.impure.lisp +++ b/tests/threads.impure.lisp @@ -154,16 +154,16 @@ (sleep 3) (assert (not (thread-alive-p thread)))) -(with-test (:name '(:join-thread :nlx :default)) +(with-test (:name (:join-thread :nlx :default)) (let ((sym (gensym))) (assert (eq sym (join-thread (make-thread (lambda () (sb-ext:quit))) :default sym))))) -(with-test (:name '(:join-thread :nlx :error)) +(with-test (:name (:join-thread :nlx :error)) (raises-error? (join-thread (make-thread (lambda () (sb-ext:quit)))) join-thread-error)) -(with-test (:name '(:join-thread :multiple-values)) +(with-test (:name (:join-thread :multiple-values)) (assert (equal '(1 2 3) (multiple-value-list (join-thread (make-thread (lambda () (values 1 2 3)))))))) @@ -342,17 +342,20 @@ (grab-mutex m :waitp nil))))))))) (with-test (:name (:grab-mutex :timeout :acquisition-fail)) - #+sb-lutex - (error "Mutex timeout not supported here.") - (let ((m (make-mutex))) + (let ((m (make-mutex)) + (w (make-semaphore))) (with-mutex (m) - (assert (null (join-thread (make-thread - #'(lambda () - (grab-mutex m :timeout 0.1))))))))) + (let ((th (make-thread + #'(lambda () + (prog1 + (grab-mutex m :timeout 0.1) + (signal-semaphore w)))))) + ;; Wait for it to -- otherwise the detect the deadlock chain + ;; from JOIN-THREAD. + (wait-on-semaphore w) + (assert (null (join-thread th))))))) (with-test (:name (:grab-mutex :timeout :acquisition-success)) - #+sb-lutex - (error "Mutex timeout not supported here.") (let ((m (make-mutex)) (child)) (with-mutex (m) @@ -361,22 +364,20 @@ (assert (eq (join-thread child) 't)))) (with-test (:name (:grab-mutex :timeout+deadline)) - #+sb-lutex - (error "Mutex timeout not supported here.") - (let ((m (make-mutex))) + (let ((m (make-mutex)) + (w (make-semaphore))) (with-mutex (m) - (assert (eq (join-thread - (make-thread #'(lambda () - (sb-sys:with-deadline (:seconds 0.0) - (handler-case - (grab-mutex m :timeout 0.0) - (sb-sys:deadline-timeout () - :deadline)))))) - :deadline))))) + (let ((th (make-thread #'(lambda () + (sb-sys:with-deadline (:seconds 0.0) + (handler-case + (grab-mutex m :timeout 0.0) + (sb-sys:deadline-timeout () + (signal-semaphore w) + :deadline))))))) + (wait-on-semaphore w) + (assert (eq (join-thread th) :deadline)))))) (with-test (:name (:grab-mutex :waitp+deadline)) - #+sb-lutex - (error "Mutex timeout not supported here.") (let ((m (make-mutex))) (with-mutex (m) (assert (eq (join-thread @@ -558,9 +559,8 @@ (defun alloc-stuff () (copy-list '(1 2 3 4 5))) -(with-test (:name (:interrupt-thread :interrupt-consing-child)) - #+darwin - (error "Hangs on Darwin.") +(with-test (:name (:interrupt-thread :interrupt-consing-child) + :broken-on :darwin) (let ((thread (sb-thread:make-thread (lambda () (loop (alloc-stuff)))))) (let ((killers (loop repeat 4 collect @@ -580,8 +580,6 @@ #+(or x86 x86-64) ;; x86oid-only, see internal commentary. (with-test (:name (:interrupt-thread :interrupt-consing-child :again)) - #+darwin - (error "Hangs on Darwin.") (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 @@ -669,8 +667,6 @@ (assert (sb-thread:join-thread thread)))) (with-test (:name (:two-threads-running-gc)) - #+darwin - (error "Hangs on Darwin.") (let (a-done b-done) (make-thread (lambda () (dotimes (i 100) @@ -849,11 +845,12 @@ ;; now SOMETHING is gc'ed and the binding stack looks like this: 0, ;; 0, SOMETHING, 0 (because the symbol slots are zeroed on ;; unbinding but values are not). - (let ((*x* nil)) + (let ((*x* nil) + (binding-pointer-delta (ash 2 (- sb-vm:word-shift sb-vm:n-fixnum-tag-bits)))) ;; bump bsp as if a BIND had just started - (incf sb-vm::*binding-stack-pointer* 2) + (incf sb-vm::*binding-stack-pointer* binding-pointer-delta) (wait-for-gc) - (decf sb-vm::*binding-stack-pointer* 2)))) + (decf sb-vm::*binding-stack-pointer* binding-pointer-delta)))) (with-test (:name (:binding-stack-gc-safety)) (let (threads) @@ -880,7 +877,13 @@ (sb-debug:backtrace) (catch 'done)) -(with-test (:name (:unsynchronized-hash-table)) +(with-test (:name (:unsynchronized-hash-table) + ;; FIXME: This test occasionally eats out craploads + ;; of heap instead of expected error early. Not 100% + ;; sure if it would finish as expected, but since it + ;; hits swap on my system I'm not likely to find out + ;; soon. Disabling for now. -- nikodemus + :skipped-on :sbcl) ;; We expect a (probable) error here: parellel readers and writers ;; on a hash-table are not expected to work -- but we also don't ;; expect this to corrupt the image. @@ -992,8 +995,6 @@ (format t "~&multiple reader hash table test done~%") (with-test (:name (:hash-table-single-accessor-parallel-gc)) - #+darwin - (error "Prone to hang on Darwin due to interrupt issues.") (let ((hash (make-hash-table)) (*errors* nil)) (let ((threads (list (sb-thread:make-thread @@ -1072,37 +1073,35 @@ ;;; Make sure that a deadline handler is not invoked twice in a row in ;;; CONDITION-WAIT. See LP #512914 for a detailed explanation. ;;; -#-sb-lutex ; See KLUDGE above: no deadlines for condition-wait+lutexes. -(with-test (:name (:condition-wait :deadlines :LP-512914)) - (let ((n 2) ; was empirically enough to trigger the bug +(with-test (:name (:condition-wait :deadlines :LP-512914) + :skipped-on '(not :sb-futex)) + (let ((n 2) ; was empirically enough to trigger the bug (mutex (sb-thread:make-mutex)) (waitq (sb-thread:make-waitqueue)) (threads nil) (deadline-handler-run-twice? nil)) (dotimes (i n) (let ((child - (sb-thread:make-thread - #'(lambda () - (handler-bind - ((sb-sys:deadline-timeout - (let ((already? nil)) - #'(lambda (c) - (when already? - (setq deadline-handler-run-twice? t)) - (setq already? t) - (sleep 0.2) - (sb-thread:condition-broadcast waitq) - (sb-sys:defer-deadline 10.0 c))))) - (sb-sys:with-deadline (:seconds 0.1) - (sb-thread:with-mutex (mutex) - (sb-thread:condition-wait waitq mutex)))))))) + (sb-thread:make-thread + #'(lambda () + (handler-bind + ((sb-sys:deadline-timeout + (let ((already? nil)) + #'(lambda (c) + (when already? + (setq deadline-handler-run-twice? t)) + (setq already? t) + (sleep 0.2) + (sb-thread:condition-broadcast waitq) + (sb-sys:defer-deadline 10.0 c))))) + (sb-sys:with-deadline (:seconds 0.1) + (sb-thread:with-mutex (mutex) + (sb-thread:condition-wait waitq mutex)))))))) (push child threads))) (mapc #'sb-thread:join-thread threads) (assert (not deadline-handler-run-twice?)))) (with-test (:name (:condition-wait :signal-deadline-with-interrupts-enabled)) - #+darwin - (error "Bad Darwin") (let ((mutex (sb-thread:make-mutex)) (waitq (sb-thread:make-waitqueue)) (A-holds? :unknown) @@ -1128,7 +1127,8 @@ (sb-sys:defer-deadline 10.0 c)))) (sb-sys:with-deadline (:seconds 0.1) (sb-thread:with-mutex (mutex) - (sb-thread:condition-wait waitq mutex))))))) + (sb-thread:condition-wait waitq mutex))))) + :name "A")) (setq B (sb-thread:make-thread #'(lambda () (thread-yield) @@ -1147,7 +1147,8 @@ (sb-sys:defer-deadline 10.0 c)))) (sb-sys:with-deadline (:seconds 0.1) (sb-thread:with-mutex (mutex) - (sb-thread:condition-wait waitq mutex))))))) + (sb-thread:condition-wait waitq mutex))))) + :name "B")) (sb-thread:join-thread A) (sb-thread:join-thread B) (let ((A-result (list A-holds? A-interrupts-enabled?)) @@ -1159,7 +1160,10 @@ ;; behaviour. (cond ((equal A-result '(t t)) (assert (equal B-result '(nil t)))) ((equal B-result '(t t)) (assert (equal A-result '(nil t)))) - (t (error "Failure: fall through.")))))) + (t + (error "Failure: fell through wit A: ~S, B: ~S" + A-result + B-result)))))) (with-test (:name (:mutex :finalization)) (let ((a nil)) @@ -1201,9 +1205,7 @@ (format t "infodb test done~%") -(with-test (:name (:backtrace)) - #+darwin - (error "Prone to crash on Darwin, cause unknown.") +(with-test (:name :backtrace) ;; Printing backtraces from several threads at once used to hang the ;; whole SBCL process (discovered by accident due to a timer.impure ;; test misbehaving). The cause was that packages weren't even @@ -1222,9 +1224,9 @@ (format t "~&starting gc deadlock test: WARNING: THIS TEST WILL HANG ON FAILURE!~%") -(with-test (:name (:gc-deadlock)) - #+darwin - (error "Prone to hang on Darwin due to interrupt issues.") +(with-test (:name :gc-deadlock + ;; Prone to hang on Darwin due to interrupt issues. + :broken-on :darwin) ;; Prior to 0.9.16.46 thread exit potentially deadlocked the ;; GC due to *all-threads-lock* and session lock. On earlier ;; versions and at least on one specific box this test is good enough @@ -1331,7 +1333,7 @@ (format t "ok~%") (force-output)) -(with-test (:name '(:hash-cache :subtypep)) +(with-test (:name (:hash-cache :subtypep)) (dotimes (i 10) (sb-thread:make-thread #'subtypep-hash-cache-test))) (format t "hash-cache tests done~%") @@ -1384,3 +1386,55 @@ (format t "~%joined ~S~%" (sb-thread:thread-name th))) (list d1 d2 d3 i)))) (format t "parallel defclass test done~%") + +(with-test (:name (:deadlock-detection :interrupts)) + (let* ((m1 (sb-thread:make-mutex :name "M1")) + (m2 (sb-thread:make-mutex :name "M2")) + (t1 (sb-thread:make-thread + (lambda () + (sb-thread:with-mutex (m1) + (sleep 0.3) + :ok)) + :name "T1")) + (t2 (sb-thread:make-thread + (lambda () + (sleep 0.1) + (sb-thread:with-mutex (m1 :wait-p t) + (sleep 0.2) + :ok)) + :name "T2"))) + (sleep 0.2) + (sb-thread:interrupt-thread t2 (lambda () + (sb-thread:with-mutex (m2 :wait-p t) + (sleep 0.3)))) + (sleep 0.05) + (sb-thread:interrupt-thread t1 (lambda () + (sb-thread:with-mutex (m2 :wait-p t) + (sleep 0.3)))) + ;; both threads should finish without a deadlock or deadlock + ;; detection error + (let ((res (list (sb-thread:join-thread t1) + (sb-thread:join-thread t2)))) + (assert (equal '(:ok :ok) res))))) + +(with-test (:name (:deadlock-detection :gc)) + ;; To semi-reliably trigger the error (in SBCL's where) + ;; it was present you had to run this for > 30 seconds, + ;; but that's a bit long for a single test. + (let* ((stop (+ 5 (get-universal-time))) + (m1 (sb-thread:make-mutex :name "m1")) + (t1 (sb-thread:make-thread + (lambda () + (loop until (> (get-universal-time) stop) + do (sb-thread:with-mutex (m1) + (eval `(make-array 24)))) + :ok))) + (t2 (sb-thread:make-thread + (lambda () + (loop until (> (get-universal-time) stop) + do (sb-thread:with-mutex (m1) + (eval `(make-array 24)))) + :ok)))) + (let ((res (list (sb-thread:join-thread t1) + (sb-thread:join-thread t2)))) + (assert (equal '(:ok :ok) res)))))