C++ (Cpp) caml_page_table_resize примеры использования

Пример #1

Файл: memory.c Проект: crackleware/ocamlcc

static int caml_page_table_modify(uintnat page, int toclear, int toset)
{
  uintnat h;

  Assert ((page & ~Page_mask) == 0);

  /* Resize to keep load factor below 1/2 */
  if (caml_page_table.occupancy * 2 >= caml_page_table.size) {
    if (caml_page_table_resize() != 0) return -1;
  }
  h = Hash(Page(page));
  while (1) {
    if (caml_page_table.entries[h] == 0) {
      caml_page_table.entries[h] = page | toset;
      caml_page_table.occupancy++;
      break;
    }
    if (Page_entry_matches(caml_page_table.entries[h], page)) {
      caml_page_table.entries[h] =
        (caml_page_table.entries[h] & ~toclear) | toset;
      break;
    }
    h = (h + 1) & caml_page_table.mask;
  }
  return 0;
}

Пример #2

Файл: memory.c Проект: d5nguyenvan/mirage

static int caml_page_table_modify(uintnat page, int toclear, int toset)
{
  uintnat h;

  Assert ((page & ~Page_mask) == 0);

#ifdef USE_STATIC_VMEM
  /* All pages above HYPERVISOR_VIRT_END are part of the OCaml heap */
  if (page >= HYPERVISOR_VIRT_END)
    return 0;
#if 0
  else
    printf("modify: %p %d %d\n", page, toclear, toset);
#endif
#endif
  /* Resize to keep load factor below 1/2 */
  if (caml_page_table.occupancy * 2 >= caml_page_table.size) {
    if (caml_page_table_resize() != 0) return -1;
  }
  h = Hash(Page(page));
  while (1) {
    if (caml_page_table.entries[h] == 0) {
      caml_page_table.entries[h] = page | toset;
      caml_page_table.occupancy++;
      break;
    }
    if (Page_entry_matches(caml_page_table.entries[h], page)) {
      caml_page_table.entries[h] =
        (caml_page_table.entries[h] & ~toclear) | toset;
      break;
    }
    h = (h + 1) & caml_page_table.mask;
  }
  return 0;
}