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add compaction support to weak maps

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Aaron Patterson 2019-08-01 13:44:54 -07:00
parent 255e22a827
commit 33d7a58ffb
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GPG Key ID: 953170BCB4FFAFC6
1 changed files with 6 additions and 12 deletions
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18
gc.c
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@ -10129,25 +10129,18 @@ wmap_mark_map(st_data_t key, st_data_t val, st_data_t arg)
}
#endif
static int
wmap_pin_obj(st_data_t key, st_data_t val, st_data_t arg)
static void
wmap_compact(void *ptr)
{
rb_objspace_t *objspace = (rb_objspace_t *)arg;
VALUE obj = (VALUE)val;
if (obj && is_live_object(objspace, obj)) {
gc_pin(objspace, obj);
}
else {
return ST_DELETE;
}
return ST_CONTINUE;
struct weakmap *w = ptr;
if (w->wmap2obj) rb_gc_update_tbl_refs(w->wmap2obj);
if (w->obj2wmap) rb_gc_update_tbl_refs(w->obj2wmap);
}
static void
wmap_mark(void *ptr)
{
struct weakmap *w = ptr;
if (w->wmap2obj) st_foreach(w->wmap2obj, wmap_pin_obj, (st_data_t)&rb_objspace);
#if WMAP_DELETE_DEAD_OBJECT_IN_MARK
if (w->obj2wmap) st_foreach(w->obj2wmap, wmap_mark_map, (st_data_t)&rb_objspace);
#endif
@ -10197,6 +10190,7 @@ static const rb_data_type_t weakmap_type = {
wmap_mark,
wmap_free,
wmap_memsize,
wmap_compact,
},
0, 0, RUBY_TYPED_FREE_IMMEDIATELY
};