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revise gc_mark_gray_list() not to cause SEGV on Ubuntu 32bit

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This commit is contained in:
Yukihiro "Matz" Matsumoto
2013-07-24 23:47:52 +09:00
parent 4ad4ce6caf
commit 5146219cbd
1 changed files with 10 additions and 8 deletions
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src/gc.c
+10 -8
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@@ -776,14 +776,14 @@ gc_gray_mark(mrb_state *mrb, struct RBasic *obj)
static void
gc_mark_gray_list(mrb_state *mrb, struct RBasic **gray_list) {
gc_mark_gray_list(mrb_state *mrb) {
struct RBasic *obj;
while ((obj = *gray_list)) {
if (is_gray(obj)) {
gc_mark_children(mrb, obj);
}
*gray_list = obj->gcnext;
while (mrb->gray_list) {
if (is_gray(mrb->gray_list))
gc_mark_children(mrb, mrb->gray_list);
else
mrb->gray_list = mrb->gray_list->gcnext;
}
}
@@ -804,9 +804,11 @@ static void
final_marking_phase(mrb_state *mrb)
{
mark_context_stack(mrb, mrb->root_c);
gc_mark_gray_list(mrb, &mrb->gray_list);
gc_mark_gray_list(mrb, &mrb->atomic_gray_list);
gc_mark_gray_list(mrb);
gc_assert(mrb->gray_list == NULL);
mrb->gray_list = mrb->atomic_gray_list;
mrb->atomic_gray_list = NULL;
gc_mark_gray_list(mrb);
gc_assert(mrb->gray_list == NULL);
}