Author: Remi Meier <[email protected]>
Branch:
Changeset: r283:2e4480dc9707
Date: 2013-06-25 17:51 +0200
http://bitbucket.org/pypy/stmgc/changeset/2e4480dc9707/
Log: fix validation of priv_from_prot
diff --git a/c4/demo_random.c b/c4/demo_random.c
--- a/c4/demo_random.c
+++ b/c4/demo_random.c
@@ -330,6 +330,14 @@
p = (gcptr)(((nodeptr)read_barrier(p))->next);
break;
case 9: // XXX: rare events
+ k = get_rand(10);
+ if (k == 1) {
+ push_roots();
+ stm_push_root(p);
+ stm_become_inevitable("fun");
+ p = stm_pop_root();
+ pop_roots();
+ }
break;
case 10: // only do a stm_read_barrier
p = read_barrier(p);
diff --git a/c4/et.c b/c4/et.c
--- a/c4/et.c
+++ b/c4/et.c
@@ -652,12 +652,17 @@
{
/* such an object R might be listed in list_of_read_objects
before it was turned from protected to private */
- continue;
+ if(((gcptr)v)->h_tid & GCFLAG_BACKUP_COPY)
+ continue;
+ /* the backup was stolen */
+ return 0;
}
else if ((R->h_tid & (GCFLAG_PUBLIC | GCFLAG_NURSERY_MOVED))
== (GCFLAG_PUBLIC | GCFLAG_NURSERY_MOVED))
{
- /* such an object is identical to the one it points to */
+ /* such an object is identical to the one it points to
+ (stolen protected young object with h_revision pointing
+ to the new copy) */
R = (gcptr)v;
goto retry;
}
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