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gc.c: live keys only

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* gc.c (wmap_keys): return keys for live objects only, like as
  wmap_values.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44142 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2013-12-12 02:01:18 +00:00
parent 58d50800e8
commit 86e2038c27
1 changed files with 12 additions and 5 deletions
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17
gc.c
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@ -6476,7 +6476,13 @@ wmap_each_value(VALUE self)
static int
wmap_keys_i(st_data_t key, st_data_t val, st_data_t arg)
{
rb_ary_push((VALUE)arg, (VALUE)key);
struct wmap_iter_arg *argp = (struct wmap_iter_arg *)arg;
rb_objspace_t *objspace = argp->objspace;
VALUE ary = argp->value;
VALUE obj = (VALUE)val;
if (is_id_value(objspace, obj) && is_live_object(objspace, obj)) {
rb_ary_push(ary, (VALUE)key);
}
return ST_CONTINUE;
}
@ -6485,12 +6491,13 @@ static VALUE
wmap_keys(VALUE self)
{
struct weakmap *w;
VALUE ary;
struct wmap_iter_arg args;
TypedData_Get_Struct(self, struct weakmap, &weakmap_type, w);
ary = rb_ary_new();
st_foreach(w->wmap2obj, wmap_keys_i, (st_data_t)ary);
return ary;
args.objspace = &rb_objspace;
args.value = rb_ary_new();
st_foreach(w->wmap2obj, wmap_keys_i, (st_data_t)&args);
return args.value;
}
static int