[pypy-commit] pypy stmgc-c8: Progress, but still something TO DO

[arigo]

Author: Armin Rigo <arigo at tunes.org>
Branch: stmgc-c8
Changeset: r78309:163959b2883e
Date: 2015-06-25 10:16 +0200
http://bitbucket.org/pypy/pypy/changeset/163959b2883e/

Log:	Progress, but still something TO DO

diff --git a/TODO b/TODO
--- a/TODO
+++ b/TODO
@@ -7,13 +7,25 @@
 
 ------------------------------------------------------------
 
-better heuristic of when to break transactions? e.g., we should
-rarely break if there are not threads running in parallel.
-But we need to break sometimes in order to run finalizers...
+check what occurs with finalizers: in single-threaded programs
+they are fine, but in this example they seem not called often
+enough:
 
-IMPROVED, but we should check if we break often enough to run
-finaliers from time to time, or if we really make infinite
-transactions
+    import gc, thread, time
+    class Foo(object):
+        count = 0
+        def __init__(self):
+            Foo.count += 1
+        def __del__(self):
+            Foo.count -= 1
+    def f():
+        while True:
+            [Foo() for j in range(100000)]
+            gc.collect()
+            print Foo.count
+    thread.start_new_thread(f, ())
+    thread.start_new_thread(f, ())
+    time.sleep(99)
 
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