C++ (Cpp) sgen_fragment_allocator_alloc示例

示例#1

static void
fragment_list_split (SgenFragmentAllocator *allocator)
{
	SgenFragment *prev = NULL, *list = allocator->region_head;

	while (list) {
		if (list->fragment_end > promotion_barrier) {
			if (list->fragment_start < promotion_barrier) {
				SgenFragment *res = sgen_fragment_allocator_alloc ();

				res->fragment_start = promotion_barrier;
				res->fragment_next = promotion_barrier;
				res->fragment_end = list->fragment_end;
				res->next = list->next;
				res->next_in_order = list->next_in_order;
				g_assert (res->fragment_end > res->fragment_start);

				list->fragment_end = promotion_barrier;
				list->next = list->next_in_order = NULL;

				allocator->region_head = allocator->alloc_head = res;
				return;
			} else {
				if (prev)
					prev->next = prev->next_in_order = NULL;
				allocator->region_head = allocator->alloc_head = list;
				return;
			}
		}
		prev = list;
		list = list->next;
	}
	allocator->region_head = allocator->alloc_head = NULL;
}

示例#2

文件： sgen-nursery-allocator.c 项目： Profit0004/mono

void
sgen_fragment_allocator_add (SgenFragmentAllocator *allocator, char *start, char *end)
{
	SgenFragment *fragment;

	fragment = sgen_fragment_allocator_alloc ();
	fragment->fragment_start = start;
	fragment->fragment_next = start;
	fragment->fragment_end = end;
	fragment->next_in_order = fragment->next = (SgenFragment *)unmask (allocator->region_head);

	allocator->region_head = allocator->alloc_head = fragment;
	g_assert (fragment->fragment_end > fragment->fragment_start);
}