def _new(thread_handle, arg):
# No shadowstack manipulation here (no usage of gc references)
sscopy = sscopy_detach_shadow_stack()
gcrootfinder.sscopy = sscopy
if not sscopy:
return _c.null_handle
h = _c.new(thread_handle, llhelper(_c.run_fn, _new_callback), arg)
sscopy_attach_shadow_stack(sscopy)
return h
def _new(thread_handle, arg):
# No shadowstack manipulation here (no usage of gc references)
sscopy = sscopy_detach_shadow_stack()
gcrootfinder.sscopy = sscopy
if not sscopy:
return _c.null_handle
h = _c.new(thread_handle, llhelper(_c.run_fn, _new_callback), arg)
sscopy_attach_shadow_stack(sscopy)
return h
def _new_callback():
# Here, we just closed the stack. Get the stack anchor, store
# it in the gcrootfinder.suspstack.anchor, and create a new
# stacklet with stacklet_new(). If this call fails, then we
# are just returning NULL.
_stack_just_closed()
#
return _c.new(gcrootfinder.newthrd, llhelper(_c.run_fn, _new_runfn),
llmemory.NULL)
def _new_callback():
# Here, we just closed the stack. Get the stack anchor, store
# it in the gcrootfinder.suspstack.anchor, and create a new
# stacklet with stacklet_new(). If this call fails, then we
# are just returning NULL.
_stack_just_closed()
#
return _c.new(gcrootfinder.newthrd, llhelper(_c.run_fn, _new_runfn),
llmemory.NULL)
def new(thrd, callback, arg):
h = _c.new(thrd._thrd, llhelper(_c.run_fn, callback), arg)
if not h:
raise MemoryError
return h
def new(thrd, callback, arg):
h = _c.new(thrd._thrd, llhelper(_c.run_fn, callback), arg)
if not h:
raise MemoryError
return h
def new(thrd, callback, arg):
gcrootfinder.callback = callback
thread_handle = thrd._thrd
prepare_old_suspstack()
h = _c.new(thread_handle, llhelper(_c.run_fn, _new_callback), arg)
return get_result_suspstack(h)
