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deadline.impure.lisp
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deadline.impure.lisp
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(defmacro assert-timeout ((expected-message) form)
(let ((ok (gensym "OK")))
`(let ((,ok ',ok))
(unless (eq ,ok
(handler-case ,form
(timeout (condition)
(assert (string= ,expected-message
(princ-to-string condition)))
,ok)))
(error "No timeout from form:~% ~S" ',form)))))
(defun run-sleep (seconds)
(sb-ext:run-program "sleep" (list (format nil "~D" seconds))
:search t :wait t))
(with-test (:name (sb-sys:decode-timeout :large-values :lp-1727789))
(flet ((test (seconds)
(assert (not (sb-sys:decode-timeout seconds)))))
(test (expt 2 64))
(test (1+ sb-kernel:internal-seconds-limit))
(test (float (1+ sb-kernel:internal-seconds-limit) 1.0f0))
(test (float (1+ sb-kernel:internal-seconds-limit) 1.0d0))))
(with-test (:name (sb-sys:with-deadline :large-values :lp-1727789))
(flet ((test (seconds)
(let ((sem (sb-thread:make-semaphore :count 0)))
(assert-timeout ("A deadline was reached after 0 seconds.")
(sb-sys:with-deadline (:seconds seconds)
(sb-sys:with-deadline (:seconds 0)
(sb-thread:wait-on-semaphore sem)))))))
(test (1+ most-positive-fixnum))
(test (1+ sb-kernel:internal-seconds-limit))
(test (float (1+ sb-kernel:internal-seconds-limit) 1.0f0))
(test (float (1+ sb-kernel:internal-seconds-limit) 1.0d0))))
(with-test (:name (:deadline sb-ext:run-program :trivial) :fails-on :win32)
(assert-timeout ("A deadline was reached after 1 second.")
(sb-sys:with-deadline (:seconds 1)
(run-sleep 3))))
(with-test (:name (:deadline sb-sys:defer-deadline 1) :fails-on :win32)
(let ((n 0))
(assert-timeout ("A deadline was reached after 0.1 seconds.")
(handler-bind ((sb-sys:deadline-timeout
(lambda (c)
(when (< n 2)
(incf n)
(sb-sys:defer-deadline 0.1 c)))))
(sb-sys:with-deadline (:seconds 1)
(run-sleep 2))))
(assert (= n 2))))
(with-test (:name (:deadline sb-sys:defer-deadline 2) :fails-on :win32)
(let ((n 0)
(final nil))
(handler-case
(handler-bind ((sb-sys:deadline-timeout
(lambda (c)
(incf n)
(sb-sys:defer-deadline 0.1 c))))
(sb-sys:with-deadline (:seconds 1)
(run-sleep 2)))
(sb-sys:deadline-timeout (c)
(setf final c)))
(assert (plusp n))
(assert (not final))))
(with-test (:name (:deadline sb-sys:defer-deadline 3) :fails-on :win32)
(let ((n 0))
(assert-timeout ("A deadline was reached after 0.1 seconds.")
(handler-bind ((sb-sys:deadline-timeout
(lambda (condition)
(declare (ignore condition))
(when (< n 2)
(incf n)
(invoke-restart 'sb-sys:defer-deadline)))))
(sb-sys:with-deadline (:seconds .1)
(run-sleep 3))))
(assert (plusp n))))
(with-test (:name (:deadline sb-sys:cancel-deadline) :fails-on :win32)
(let ((n 0)
(final nil))
(handler-case
(handler-bind ((sb-sys:deadline-timeout
(lambda (c)
(incf n)
(sb-sys:cancel-deadline c))))
(sb-sys:with-deadline (:seconds 1)
(run-sleep 2)))
(sb-sys:deadline-timeout (c)
(setf final c)))
(assert (= n 1))
(assert (not final))))
(with-test (:name (:deadline sb-thread:grab-mutex)
:skipped-on (not :sb-thread))
(assert-timeout ("A deadline was reached after 1 second.")
(let ((lock (sb-thread:make-mutex))
(waitp t))
(make-join-thread (lambda ()
(sb-thread:grab-mutex lock)
(setf waitp nil)
(sleep 5)))
(loop while waitp do (sleep 0.01))
(sb-sys:with-deadline (:seconds 1)
(sb-thread:grab-mutex lock)))))
(with-test (:name (:deadline sb-thread:wait-on-semaphore)
:skipped-on (not :sb-thread))
(assert-timeout ("A deadline was reached after 1 second.")
(let ((sem (sb-thread:make-semaphore :count 0)))
(sb-sys:with-deadline (:seconds 1)
(sb-thread:wait-on-semaphore sem)))))
(with-test (:name (:deadline sb-thread:join-thread)
:skipped-on (not :sb-thread)
:broken-on :win32)
(assert-timeout ("A deadline was reached after 1 second.")
(sb-sys:with-deadline (:seconds 1)
(sb-thread:join-thread
(make-kill-thread (lambda () (loop (sleep 1))))))))
(with-test (:name (:deadline :futex-wait-eintr)
:skipped-on (not :sb-thread)
:broken-on :win32)
(let ((lock (sb-thread:make-mutex))
(waitp t))
(make-join-thread (lambda ()
(sb-thread:grab-mutex lock)
(setf waitp nil)
(sleep 5)))
(loop while waitp do (sleep 0.01))
(let ((thread (make-join-thread
(lambda ()
(let ((start (get-internal-real-time)))
(handler-case
(sb-sys:with-deadline (:seconds 1)
(sb-thread:grab-mutex lock))
(sb-sys:deadline-timeout (x)
(declare (ignore x))
(let ((end (get-internal-real-time)))
(float (/ (- end start)
internal-time-units-per-second)
0.0)))))))))
(sleep 0.3)
(sb-thread:interrupt-thread thread (lambda () 42))
(let ((seconds-passed (sb-thread:join-thread thread)))
(assert (< seconds-passed 1.2))))))
;;;; Sleep
(with-test (:name (sb-sys:with-deadline sleep :smoke))
(assert-timeout ("A deadline was reached after 0.1 seconds.")
(sb-sys:with-deadline (:seconds .1) (sleep 1)))
(assert-no-signal
(sb-sys:with-deadline (:seconds .2) (sleep .1))
sb-sys:deadline-timeout))
(with-test (:name (sb-sys:with-deadline sleep :long-sleep))
(assert-timeout ("A deadline was reached after 0.1 seconds.")
(sb-sys:with-deadline (:seconds .1)
(sleep (1+ sb-kernel:internal-seconds-limit)))))
(with-test (:name (sb-sys:with-deadline sleep :no-sleep))
;; When SLEEP is called in the context of an expired deadline, the
;; DEADLINE-TIMEOUT must be signaled even if there is no sleeping to
;; be done.
(assert-timeout ("A deadline was reached after 0.1 seconds.")
(sb-sys:with-deadline (:seconds .1)
(let ((sb-impl::*deadline* nil)) (sleep .2))
(sleep 0))))
(with-test (:name (sb-sys:with-deadline sleep sb-sys:defer-deadline))
(let ((n 0))
(assert-no-signal
(handler-bind ((sb-sys:deadline-timeout
(lambda (condition)
(incf n)
(sb-sys:defer-deadline .1 condition))))
(sb-sys:with-deadline (:seconds .1) (sleep .5)))
sb-sys:deadline-timeout)
(assert (plusp n))))
(with-test (:name (sb-sys:with-deadline sleep sb-sys:cancel-deadline))
(assert-no-signal
(handler-bind ((sb-sys:deadline-timeout
(lambda (condition)
(sb-sys:cancel-deadline condition))))
(sb-sys:with-deadline (:seconds .1) (sleep 1)))
sb-sys:deadline-timeout))