Author: Armin Rigo <[email protected]>
Branch:
Changeset: r334:345ed0d7dc64
Date: 2013-07-01 15:02 +0200
http://bitbucket.org/pypy/stmgc/changeset/345ed0d7dc64/
Log: in-progress
diff --git a/c4/gcpage.c b/c4/gcpage.c
--- a/c4/gcpage.c
+++ b/c4/gcpage.c
@@ -293,6 +293,20 @@
}
}
+static void visit_keep(gcptr obj)
+{
+ if (!(obj->h_tid & GCFLAG_VISITED)) {
+ obj->h_tid &= ~GCFLAG_PUBLIC_TO_PRIVATE; /* see fix_outdated() */
+ obj->h_tid |= GCFLAG_VISITED;
+ gcptrlist_insert(&objects_to_trace, obj);
+
+ if (IS_POINTER(obj->h_revision)) {
+ assert(!(obj->h_revision & 2));
+ visit((gcptr *)&obj->h_revision);
+ }
+ }
+}
+
static void visit_all_objects(void)
{
while (gcptrlist_size(&objects_to_trace) > 0) {
@@ -316,7 +330,6 @@
for (; pobj != pend; pobj++) {
obj = *pobj;
assert(obj->h_tid & GCFLAG_PREBUILT_ORIGINAL);
- obj->h_tid &= ~GCFLAG_VISITED;
assert(IS_POINTER(obj->h_revision));
visit((gcptr *)&obj->h_revision);
}
@@ -357,24 +370,14 @@
/* the current transaction's private copies of public objects */
wlog_t *item;
- struct G2L new_public_to_private;
- memset(&new_public_to_private, 0, sizeof(new_public_to_private));
-
G2L_LOOP_FORWARD(d->public_to_private, item) {
-
/* note that 'item->addr' is also in the read set, so if it was
outdated, it will be found at that time */
- gcptr key = item->addr;
- gcptr val = item->val;
- visit(&key);
- visit(&val);
- g2l_insert(&new_public_to_private, key, val);
-
+ visit_keep(item->addr);
+ if (item->val != NULL)
+ visit_keep(item->val);
} G2L_LOOP_END;
- g2l_delete_not_used_any_more(&d->public_to_private);
- d->public_to_private = new_public_to_private;
-
/* make sure that the other lists are empty */
assert(gcptrlist_size(&d->public_with_young_copy) == 0);
assert(gcptrlist_size(&d->public_descriptor->stolen_objects) == 0);
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