C++ (Cpp) caml_raise_stack_overflow примеры использования

Пример #1

Файл: stacks.c Проект: ghivert/ocarm

void caml_realloc_stack(asize_t required_space)
{
  asize_t size;
  value * new_low, * new_high, * new_sp;
  value * p;

  size = caml_stack_high - caml_stack_low;
  do {
    if (size >= caml_max_stack_size) caml_raise_stack_overflow();
    size *= 2;
  } while (size < caml_stack_high - caml_extern_sp + required_space);
  new_low = (value *) caml_stat_alloc(size * sizeof(value));
  new_high = new_low + size;

#define shift(ptr) \
    ((char *) new_high - ((char *) caml_stack_high - (char *) (ptr)))

  new_sp = (value *) shift(caml_extern_sp);
  memmove((char *) new_sp,
          (char *) caml_extern_sp,
          (caml_stack_high - caml_extern_sp) * sizeof(value));
  caml_stat_free(caml_stack_low);
  caml_trapsp = (value *) shift(caml_trapsp);
  caml_trap_barrier = (value *) shift(caml_trap_barrier);
  for (p = caml_trapsp; p < new_high; p = Trap_link(p))
    Trap_link(p) = (value *) shift(Trap_link(p));
  caml_stack_low = new_low;
  caml_stack_high = new_high;
  caml_stack_threshold = caml_stack_low + Stack_threshold / sizeof (value);
  caml_extern_sp = new_sp;

#undef shift
}

Пример #2

Файл: stacks.c Проект: balrajsingh/mirage-platform

void caml_realloc_stack(asize_t required_space)
{
  asize_t size;
  value * new_low, * new_high, * new_sp;
  value * p;

  Assert(caml_extern_sp >= caml_stack_low);
  size = caml_stack_high - caml_stack_low;
  do {
    if (size >= caml_max_stack_size) caml_raise_stack_overflow();
    size *= 2;
  } while (size < caml_stack_high - caml_extern_sp + required_space);
  caml_gc_message (0x08, "Growing stack to %"
                         ARCH_INTNAT_PRINTF_FORMAT "uk bytes\n",
                   (uintnat) size * sizeof(value) / 1024);
  new_low = (value *) caml_stat_alloc(size * sizeof(value));
  new_high = new_low + size;

#define shift(ptr) \
    ((char *) new_high - ((char *) caml_stack_high - (char *) (ptr)))

  new_sp = (value *) shift(caml_extern_sp);
  memmove((char *) new_sp,
          (char *) caml_extern_sp,
          (caml_stack_high - caml_extern_sp) * sizeof(value));
  caml_stat_free(caml_stack_low);
  caml_trapsp = (value *) shift(caml_trapsp);
  caml_trap_barrier = (value *) shift(caml_trap_barrier);
  for (p = caml_trapsp; p < new_high; p = Trap_link(p))
    Trap_link(p) = (value *) shift(Trap_link(p));
  caml_stack_low = new_low;
  caml_stack_high = new_high;
  caml_stack_threshold = caml_stack_low + Stack_threshold / sizeof (value);
  caml_extern_sp = new_sp;

#undef shift
}