X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=tests%2Fthreads.pure.lisp;h=bc2b94cc152d2323749d208b2b478a0b5d577183;hb=3fa2feb10ab827fc6cc2a85287e78b6e66b7bf4d;hp=cb1a827f9ef106a267ef1e9458fea35c7af2c14d;hpb=9373c1691aee82e4e21379b85400c3ea363adf47;p=sbcl.git

diff --git a/tests/threads.pure.lisp b/tests/threads.pure.lisp
index cb1a827..bc2b94c 100644
--- a/tests/threads.pure.lisp
+++ b/tests/threads.pure.lisp
@@ -157,3 +157,138 @@
              (sb-ext:timeout ()
                :timeout)))))))
 
+;;;; SYMBOL-VALUE-IN-THREAD
+
+(with-test (:name symbol-value-in-thread.1)
+  (let ((* (cons t t)))
+    (assert (eq * (symbol-value-in-thread '* *current-thread*)))
+    (setf (symbol-value-in-thread '* *current-thread*) 123)
+    (assert (= 123 (symbol-value-in-thread '* *current-thread*)))
+    (assert (= 123 *))))
+
+#+sb-thread
+(with-test (:name symbol-value-in-thread.2)
+  (let* ((parent *current-thread*)
+         (semaphore (make-semaphore))
+         (child (make-thread (lambda ()
+                               (wait-on-semaphore semaphore)
+                               (let ((old (symbol-value-in-thread 'this-is-new parent)))
+                                 (setf (symbol-value-in-thread 'this-is-new parent) :from-child)
+                                 old)))))
+    (progv '(this-is-new) '(42)
+      (signal-semaphore semaphore)
+      (assert (= 42 (join-thread child)))
+      (assert (eq :from-child (symbol-value 'this-is-new))))))
+
+;;; 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.
+#+(and sb-thread (not darwin))
+(with-test (:name symbol-value-in-thread.3)
+  (let* ((parent *current-thread*)
+         (semaphore (make-semaphore))
+         (running t)
+         (noise (make-thread (lambda ()
+                               (loop while running
+                                     do (setf * (make-array 1024))
+                                     ;; Busy-wait a bit so we don't TOTALLY flood the
+                                     ;; system with GCs: a GC occurring in the middle of
+                                     ;; S-V-I-T causes it to start over -- we want that
+                                     ;; to occur occasionally, but not _all_ the time.
+                                        (loop repeat (random 128)
+                                              do (setf ** *)))))))
+    (write-string "; ")
+    (dotimes (i 15000)
+      (when (zerop (mod i 200))
+        (write-char #\.)
+        (force-output))
+      (let* ((mom-mark (cons t t))
+             (kid-mark (cons t t))
+             (child (make-thread (lambda ()
+                                   (wait-on-semaphore semaphore)
+                                   (let ((old (symbol-value-in-thread 'this-is-new parent)))
+                                     (setf (symbol-value-in-thread 'this-is-new parent)
+                                           (make-array 24 :initial-element kid-mark))
+                                     old)))))
+        (progv '(this-is-new) (list (make-array 24 :initial-element mom-mark))
+          (signal-semaphore semaphore)
+          (assert (eq mom-mark (aref (join-thread child) 0)))
+          (assert (eq kid-mark (aref (symbol-value 'this-is-new) 0))))))
+    (setf running nil)
+    (join-thread noise)))
+
+#+sb-thread
+(with-test (:name symbol-value-in-thread.4)
+  (let* ((parent *current-thread*)
+         (semaphore (make-semaphore))
+         (child (make-thread (lambda ()
+                               (wait-on-semaphore semaphore)
+                               (symbol-value-in-thread 'this-is-new parent nil)))))
+    (signal-semaphore semaphore)
+    (assert (equal '(nil nil) (multiple-value-list (join-thread child))))))
+
+#+sb-thread
+(with-test (:name symbol-value-in-thread.5)
+  (let* ((parent *current-thread*)
+         (semaphore (make-semaphore))
+         (child (make-thread (lambda ()
+                               (wait-on-semaphore semaphore)
+                               (handler-case
+                                   (symbol-value-in-thread 'this-is-new parent)
+                                 (symbol-value-in-thread-error (e)
+                                   (list (thread-error-thread e)
+                                         (cell-error-name e)
+                                         (sb-thread::symbol-value-in-thread-error-info e))))))))
+    (signal-semaphore semaphore)
+    (assert (equal (list *current-thread* 'this-is-new (list :read :unbound-in-thread))
+                   (join-thread child)))))
+
+#+sb-thread
+(with-test (:name symbol-value-in-thread.6)
+  (let* ((parent *current-thread*)
+         (semaphore (make-semaphore))
+         (name (gensym))
+         (child (make-thread (lambda ()
+                               (wait-on-semaphore semaphore)
+                               (handler-case
+                                   (setf (symbol-value-in-thread name parent) t)
+                                 (symbol-value-in-thread-error (e)
+                                   (list (thread-error-thread e)
+                                         (cell-error-name e)
+                                         (sb-thread::symbol-value-in-thread-error-info e))))))))
+    (signal-semaphore semaphore)
+    (let ((res (join-thread child))
+          (want (list *current-thread* name (list :write :no-tls-value))))
+      (unless (equal res want)
+        (error "wanted ~S, got ~S" want res)))))
+
+#+sb-thread
+(with-test (:name symbol-value-in-thread.7)
+  (let ((child (make-thread (lambda ())))
+        (error-occurred nil))
+    (join-thread child)
+    (handler-case
+        (symbol-value-in-thread 'this-is-new child)
+      (symbol-value-in-thread-error (e)
+        (setf error-occurred t)
+        (assert (eq child (thread-error-thread e)))
+        (assert (eq 'this-is-new (cell-error-name e)))
+        (assert (equal (list :read :thread-dead)
+                       (sb-thread::symbol-value-in-thread-error-info e)))))
+    (assert error-occurred)))
+
+#+sb-thread
+(with-test (:name symbol-value-in-thread.8)
+  (let ((child (make-thread (lambda ())))
+        (error-occurred nil))
+    (join-thread child)
+    (handler-case
+        (setf (symbol-value-in-thread 'this-is-new child) t)
+      (symbol-value-in-thread-error (e)
+        (setf error-occurred t)
+        (assert (eq child (thread-error-thread e)))
+        (assert (eq 'this-is-new (cell-error-name e)))
+        (assert (equal (list :write :thread-dead)
+                       (sb-thread::symbol-value-in-thread-error-info e)))))
+    (assert error-occurred)))