X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=tests%2Fcompare-and-swap.impure.lisp;h=b368f8c48292cd67707d7fc06a662182e1362a00;hb=1e786e1a23a1f2276ec2dbe197dcc31a53b43738;hp=6ec6547b07cc00352edd962928c15778676e099d;hpb=76db27f585eda84ab93411dd61b32677355f8cc4;p=sbcl.git

diff --git a/tests/compare-and-swap.impure.lisp b/tests/compare-and-swap.impure.lisp
index 6ec6547..b368f8c 100644
--- a/tests/compare-and-swap.impure.lisp
+++ b/tests/compare-and-swap.impure.lisp
@@ -120,6 +120,10 @@
 (defstruct box
   (word 0 :type sb-vm:word))
 
+;; Have the following tests check that CAS access to the superclass
+;; works in the presence of a subclass sharing the conc-name.
+(defstruct (subbox (:include box) (:conc-name "BOX-")))
+
 (defun inc-box (box n)
   (declare (fixnum n) (box box))
   (loop repeat n
@@ -412,6 +416,7 @@
       (assert (eq :bar
                   (eval `(let (,@(mapcar 'list vars vals))
                       ,read-form)))))))
+
 (let ((foo (cons :foo nil)))
   (defun cas-foo (old new)
     (cas (cdr foo) old new)))
@@ -425,3 +430,22 @@
     (assert (not (cas bar nil :ok)))
     (assert (eq :ok (cas bar :ok nil)))
     (assert (not (cas bar nil t)))))
+
+(with-test (:name atomic-push
+            :skipped-on '(not :sb-thread))
+  (let ((store (cons nil nil))
+        (n 100000))
+    (symbol-macrolet ((x (car store))
+                      (y (cdr store)))
+      (dotimes (i n)
+        (push i y))
+      (mapc #'sb-thread:join-thread
+            (loop repeat (ecase sb-vm:n-word-bits (32 100) (64 1000))
+                  collect (sb-thread:make-thread
+                           (lambda ()
+                             (loop for z = (atomic-pop y)
+                                   while z
+                                   do (atomic-push z x)
+                                      (sleep 0.00001))))))
+      (assert (not y))
+      (assert (eql n (length x))))))