def __init__(self, space, ec):
StackletThread.__init__(self)
self.space = space
self.ec = ec
# for unpickling
from rpython.rlib.rweakref import RWeakKeyDictionary
self.frame2continulet = RWeakKeyDictionary(PyFrame, W_Continulet)
def __init__(self, space, ec):
StackletThread.__init__(self, space.config)
self.space = space
self.ec = ec
# for unpickling
from rpython.rlib.rweakref import RWeakKeyDictionary
self.frame2continulet = RWeakKeyDictionary(PyFrame, W_Continulet)
class ProcessState:
stacklet = None
current = None
def init(self, config):
self.stacklet = StackletThread(config)
self.current = Greenlet(
self.stacklet.get_null_handle(),
True)
class StackletLanguageRunner(AbstractLanguageRunner):
sthread = None
def __init__(self, language_process):
AbstractLanguageRunner.__init__(self, language_process)
self.sthread = StackletThread()
global_execution_state.origin = self
# there can only be one valid handle at a time (main or foreign thread)
self.handle = self.sthread.new(self.__class__.new_stacklet_callback)
def resumable(self):
return self._has_valid_handle()
def _resume_thread(self):
self._switch_to_handle()
def _yield_thread(self):
self._switch_to_handle()
def _switch_to_handle(self):
if not self._has_valid_handle():
print 'handle not valid: %s' % self.handle
return
self.handle = self.sthread.switch(self.handle)
if self.handle is self.sthread.get_null_handle():
log('language_process thread has finished (handle is null)')
if self.sthread.is_empty_handle(self.handle):
log('language_process thread has finished (handle is empty)')
def _has_valid_handle(self):
# TODO: make less verbose when this proved to work
if not bool(self.handle):
print 'handle evaluates to False: %s' % self.handle
return False
if self.sthread.is_empty_handle(self.handle):
print 'handle is empty: %s' % self.handle
return False
if self.handle is self.sthread.get_null_handle():
print 'handle is null handle: %s' % self.handle
return False
return True
@staticmethod
def new_stacklet_callback(h, arg):
log('new_stacklet_callback: %s' % h)
self = global_execution_state.origin
self.handle = h
global_execution_state.clear()
# stacklets start immediate, so yield back before executing any code,
# code is only executed when the resume primitive is used,
# eval primitive only creates a new language process
self.return_to_smalltalk()
self.language_process().safe_run()
global_execution_state.origin = self
return self.handle # return to Smalltalk when done
def __init__(self, config):
StackletThread.__init__(self, config)
self.cont = None
def __init__(self, config, ec):
StackletThread.__init__(self, config)
self.config = config
self.ec = ec
def __init__(self, config):
StackletThread.__init__(self, config)
self.cont = None
def init(self, config):
self.stacklet = StackletThread(config)
self.current = Greenlet(
self.stacklet.get_null_handle(),
True)
def __init__(self, config, ec):
StackletThread.__init__(self, config)
self.config = config
self.ec = ec
def __init__(self, language_process):
AbstractLanguageRunner.__init__(self, language_process)
self.sthread = StackletThread()
global_execution_state.origin = self
# there can only be one valid handle at a time (main or foreign thread)
self.handle = self.sthread.new(self.__class__.new_stacklet_callback)
