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