1.0.46.43: fix sb-introspect on non-threaded builds
[sbcl.git] / tests / timer.impure.lisp
index a2028b8..150b696 100644 (file)
 
 (use-package :test-util)
 
+(with-test (:name :heap)
+  (let* ((size 1000)
+         (heap (make-array size :adjustable t :fill-pointer 0))
+         (unsorted (loop for i below size collect (random size)))
+         (sorted (sort (copy-list unsorted) #'>=))
+         heap-sorted)
+    (map nil #'(lambda (val) (sb-impl::heap-insert heap val)) unsorted)
+    (setf heap-sorted (loop for i below size
+                            collect (sb-impl::heap-extract-maximum heap)))
+    (unless (equal sorted heap-sorted)
+      (error "Heap sort failure ~S" heap-sorted))))
+
+(sb-alien:define-alien-routine "check_deferrables_blocked_or_lose"
+    void
+  (where sb-alien:unsigned-long))
+(sb-alien:define-alien-routine "check_deferrables_unblocked_or_lose"
+    void
+  (where sb-alien:unsigned-long))
+
+(defun make-limited-timer (fn n &rest args)
+  (let (timer)
+    (setq timer
+          (apply #'sb-ext:make-timer
+                 (lambda ()
+                   (sb-sys:without-interrupts
+                     (decf n)
+                     (cond ((minusp n)
+                            (warn "Unscheduling timer ~A ~
+                                   upon reaching run limit. System too slow?"
+                                  timer)
+                            (sb-ext:unschedule-timer timer))
+                           (t
+                            (sb-sys:allow-with-interrupts
+                              (funcall fn))))))
+                 args))))
+
+(defun make-and-schedule-and-wait (fn time)
+  (let ((finishedp nil))
+    (sb-ext:schedule-timer (sb-ext:make-timer
+                            (lambda ()
+                              (sb-sys:without-interrupts
+                                (unwind-protect
+                                     (sb-sys:allow-with-interrupts
+                                       (funcall fn))
+                                  (setq finishedp t)))))
+                           time)
+    (loop until finishedp)))
+
+#-win32
+(with-test (:name (:timer :deferrables-blocked))
+  (make-and-schedule-and-wait (lambda ()
+                                (check-deferrables-blocked-or-lose 0))
+                              (random 0.1))
+  (check-deferrables-unblocked-or-lose 0))
+
+#-win32
+(with-test (:name (:timer :deferrables-unblocked))
+  (make-and-schedule-and-wait (lambda ()
+                                (sb-sys:with-interrupts
+                                  (check-deferrables-unblocked-or-lose 0)))
+                              (random 0.1))
+  (check-deferrables-unblocked-or-lose 0))
+
+#-win32
+(with-test (:name (:timer :deferrables-unblocked :unwind))
+  (catch 'xxx
+    (make-and-schedule-and-wait (lambda ()
+                                  (check-deferrables-blocked-or-lose 0)
+                                  (throw 'xxx nil))
+                                (random 0.1))
+    (sleep 1))
+  (check-deferrables-unblocked-or-lose 0))
+
 (defmacro raises-timeout-p (&body body)
   `(handler-case (progn (progn ,@body) nil)
     (sb-ext:timeout () t)))
 
-(with-test (:name (:timer :relative))
+#-win32
+(with-test (:name (:timer :relative)
+            :fails-on '(and :sparc :linux))
   (let* ((has-run-p nil)
          (timer (make-timer (lambda () (setq has-run-p t))
                             :name "simple timer")))
     (assert has-run-p)
     (assert (zerop (length (sb-impl::%pqueue-contents sb-impl::*schedule*))))))
 
-(with-test (:name (:timer :absolute))
+#-win32
+(with-test (:name (:timer :absolute)
+            :fails-on '(and :sparc :linux))
   (let* ((has-run-p nil)
          (timer (make-timer (lambda () (setq has-run-p t))
                             :name "simple timer")))
                  :thread t)))
     (schedule-timer timer 0.1)))
 
-(with-test (:name (:timer :repeat-and-unschedule))
+#-win32
+(with-test (:name (:timer :repeat-and-unschedule)
+            :fails-on '(and :sparc :linux))
   (let* ((run-count 0)
          timer)
     (setq timer
     (assert (not (timer-scheduled-p timer)))
     (assert (zerop (length (sb-impl::%pqueue-contents sb-impl::*schedule*))))))
 
+#-win32
 (with-test (:name (:timer :reschedule))
   (let* ((has-run-p nil)
          (timer (make-timer (lambda ()
     (assert has-run-p)
     (assert (zerop (length (sb-impl::%pqueue-contents sb-impl::*schedule*))))))
 
+#-win32
 (with-test (:name (:timer :stress))
   (let ((time (1+ (get-universal-time))))
     (loop repeat 200 do
-          (schedule-timer (make-timer (lambda ())) time :absolute-p t))
+             (schedule-timer (make-timer (lambda ())) time :absolute-p t))
+    (sleep 2)
+    (assert (zerop (length (sb-impl::%pqueue-contents sb-impl::*schedule*))))))
+
+#-win32
+(with-test (:name (:timer :stress2))
+  (let ((time (1+ (get-universal-time)))
+        (n 0))
+    (loop for time-n from time upto (+ 1/10 time) by (/ 1/10 200)
+          do (schedule-timer (make-timer (lambda ())) time-n :absolute-p t)
+             (incf n))
     (sleep 2)
     (assert (zerop (length (sb-impl::%pqueue-contents sb-impl::*schedule*))))))
 
+#-win32
 (with-test (:name (:with-timeout :timeout))
   (assert (raises-timeout-p
            (sb-ext:with-timeout 0.2
              (sleep 1)))))
 
+#-win32
 (with-test (:name (:with-timeout :fall-through))
   (assert (not (raises-timeout-p
                 (sb-ext:with-timeout 0.3
                   (sleep 0.1))))))
 
+#-win32
 (with-test (:name (:with-timeout :nested-timeout-smaller))
   (assert(raises-timeout-p
           (sb-ext:with-timeout 10
             (sb-ext:with-timeout 0.5
               (sleep 2))))))
 
+#-win32
 (with-test (:name (:with-timeout :nested-timeout-bigger))
   (assert(raises-timeout-p
           (sb-ext:with-timeout 0.5
 ;;; FIXME: Since timeouts do not work on Windows this would loop
 ;;; forever.
 #-win32
-(with-test (:name '(:hash-cache :interrupt))
+(with-test (:name (:hash-cache :interrupt))
   (let* ((type1 (random-type 500))
          (type2 (random-type 500))
          (wanted (subtypep type1 type2)))
                                0.05)
         (loop
            (assert (eq wanted (subtypep type1 type2))))))))
+
+;;; Used to hang occasionally at least on x86. Two bugs caused it:
+;;; running out of stack (due to repeating timers being rescheduled
+;;; before they ran) and dying threads were open interrupts.
+#+sb-thread
+(with-test (:name (:timer :parallel-unschedule) :fails-on :ppc)
+  #+darwin
+  (error "Prone to hang on Darwin due to interrupt issues.")
+  #+ppc
+  (error "Prone to hang the host on linux/ppc for unknown reasons.")
+  (let ((timer (sb-ext:make-timer (lambda () 42) :name "parallel schedulers"))
+        (other nil))
+    (flet ((flop ()
+             (sleep (random 0.01))
+             (loop repeat 10000
+                   do (sb-ext:unschedule-timer timer))))
+      (loop repeat 5
+            do (mapcar #'sb-thread:join-thread
+                       (loop for i from 1 upto 10
+                             collect (let* ((thread (sb-thread:make-thread #'flop
+                                                                           :name (format nil "scheduler ~A" i)))
+                                            (ticker (make-limited-timer (lambda () 13)
+                                                                               1000
+                                                                               :thread (or other thread)
+                                                                               :name (format nil "ticker ~A" i))))
+                                       (setf other thread)
+                                       (sb-ext:schedule-timer ticker 0 :repeat-interval 0.00001)
+                                       thread)))))))
+
+;;;; FIXME: OS X 10.4 doesn't like these being at all, and gives us a SIGSEGV
+;;;; instead of using the Mach expection system! 10.5 on the other tends to
+;;;; lose() here with interrupt already pending. :/
+;;;;
+;;;; Used to have problems in genereal, see comment on (:TIMER
+;;;; :PARALLEL-UNSCHEDULE).
+#-win32
+(with-test (:name (:timer :schedule-stress))
+  (flet ((test ()
+         (let* ((slow-timers
+                 (loop for i from 1 upto 1
+                       collect (make-limited-timer
+                                (lambda () 13)
+                                1000
+                                :name (format nil "slow ~A" i))))
+                (fast-timer (make-limited-timer (lambda () 42) 1000
+                                                :name "fast")))
+           (sb-ext:schedule-timer fast-timer 0.0001 :repeat-interval 0.0001)
+           (dolist (timer slow-timers)
+             (sb-ext:schedule-timer timer (random 0.1)
+                                    :repeat-interval (random 0.1)))
+           (dolist (timer slow-timers)
+             (sb-ext:unschedule-timer timer))
+           (sb-ext:unschedule-timer fast-timer))))
+  #+sb-thread
+  (mapcar #'sb-thread:join-thread
+          (loop repeat 10 collect (sb-thread:make-thread #'test)))
+  #-sb-thread
+  (loop repeat 10 do (test))))
+
+#+sb-thread
+(with-test (:name (:timer :threaded-stress))
+  (let ((barrier (sb-thread:make-semaphore))
+        (goal 100))
+    (flet ((wait-for-goal ()
+             (let ((*n* 0))
+               (declare (special *n*))
+               (sb-thread:signal-semaphore barrier)
+               (loop until (eql *n* goal))))
+           (one ()
+             (declare (special *n*))
+             (incf *n*)))
+      (let ((threads (list (sb-thread:make-thread #'wait-for-goal)
+                           (sb-thread:make-thread #'wait-for-goal)
+                           (sb-thread:make-thread #'wait-for-goal))))
+        (sb-thread:wait-on-semaphore barrier)
+        (sb-thread:wait-on-semaphore barrier)
+        (sb-thread:wait-on-semaphore barrier)
+        (flet ((sched (thread)
+                 (sb-thread:make-thread (lambda ()
+                                          (loop repeat goal
+                                                do (sb-ext:schedule-timer (make-timer #'one :thread thread) 0.001))))))
+          (dolist (thread threads)
+            (sched thread)))
+        (mapcar #'sb-thread:join-thread threads)))))