improve the SB-EXT:GC docstring(s)

[sbcl.git] / tests / threads.pure.lisp

diff --git a/tests/threads.pure.lisp b/tests/threads.pure.lisp
index fb21822..e58cda7 100644 (file)
--- a/tests/threads.pure.lisp
+++ b/tests/threads.pure.lisp
@@ -307,13 +307,10 @@
                 (t1 (sb-thread:make-thread (test m1 m2 s1 s2) :name "T1"))
                 (t2 (sb-thread:make-thread (test m2 m1 s2 s1) :name "T2")))
            ;; One will deadlock, and the other will then complete normally.
-           ;; ...except sometimes, when we get unlucky, and both will do
-           ;; the deadlock detection in parallel and both signal.
            (let ((res (list (sb-thread:join-thread t1)
                             (sb-thread:join-thread t2))))
              (assert (or (equal '(:deadlock :ok) res)
-                         (equal '(:ok :deadlock) res)
-                         (equal '(:deadlock :deadlock) res))))))))
+                         (equal '(:ok :deadlock) res))))))))
 
 (with-test (:name deadlock-detection.2 :skipped-on '(not :sb-thread))
   (let* ((m1 (sb-thread:make-mutex :name "M1"))
@@ -496,7 +493,7 @@
                              :timeout 0.01
                              :default cookie)))))
 
-(with-test (:name :semaphore-notification
+(with-test (:name (:semaphore-notification :wait-on-semaphore)
             :skipped-on '(not :sb-thread))
   (let ((sem (make-semaphore))
         (ok nil)
@@ -515,6 +512,7 @@
                      (signal-semaphore sem))
                    ;; KLUDGE: Prevent interrupts after this point from
                    ;; unwinding us, so that we can reason about the counts.
+                   #+sb-thread
                    (sb-thread::block-deferrable-signals))))))
       (let* ((threads (loop for i from 1 upto 100
                             collect (make-thread #'critical :name (format nil "T~A" i))))
@@ -541,3 +539,13 @@
                            unsafe)))
           (assert (= n (+ k (length safe))))
           (assert unsafe))))))
+
+(with-test (:name (:semaphore-notification :try-sempahore)
+            :skipped-on '(not :sb-thread))
+  (let* ((sem (make-semaphore))
+         (note (make-semaphore-notification)))
+    (try-semaphore sem 1 note)
+    (assert (not (semaphore-notification-status note)))
+    (signal-semaphore sem)
+    (try-semaphore sem 1 note)
+    (assert (semaphore-notification-status note))))