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from rpython.rlib import _rffi_stacklet as _c
from rpython.rlib import debug
from rpython.rlib.objectmodel import we_are_translated, specialize
from rpython.rtyper.annlowlevel import llhelper
class StackletGcRootFinder(object):
@staticmethod
@specialize.arg(1)
def new(thrd, callback, arg):
h = _c.new(thrd._thrd, llhelper(_c.run_fn, callback), arg)
if not h:
raise MemoryError
return h
@staticmethod
def switch(h):
h = _c.switch(h)
if not h:
raise MemoryError
return h
@staticmethod
def destroy(thrd, h):
_c.destroy(thrd._thrd, h)
if we_are_translated():
debug.debug_print("not using a framework GC: "
"stacklet_destroy() may leak")
is_empty_handle = staticmethod(_c.is_empty_handle)
@staticmethod
def get_null_handle():
return _c.null_handle
gcrootfinder = StackletGcRootFinder # class object
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