def wrapper(*args, **kwargs):
future = ProcessFuture()
reader, writer = Pipe(duplex=False)
if get_start_method() != 'fork':
target = _trampoline
args = [function.__name__, function.__module__] + list(args)
else:
target = function
worker = launch_process(_function_handler, target, args, kwargs,
writer)
writer.close()
future.set_running_or_notify_cancel()
launch_thread(_worker_handler, future, worker, reader, timeout)
return future
def wrapper(*args, **kwargs):
future = ProcessFuture()
reader, writer = Pipe(duplex=False)
if get_start_method() != 'fork':
target = _trampoline
args = [function.__name__, function.__module__] + list(args)
else:
target = function
worker = launch_process(
_function_handler, target, args, kwargs, writer)
writer.close()
future.set_running_or_notify_cancel()
launch_thread(_worker_handler, future, worker, reader, timeout)
return future
def wrapper(*args, **kwargs):
future = ProcessFuture()
reader, writer = mp_context.Pipe(duplex=False)
if start_method != 'fork':
target = _trampoline
args = [_qualname(function), function.__module__] + list(args)
else:
target = function
worker = launch_process(name, _function_handler, daemon, mp_context,
target, args, kwargs, (reader, writer))
writer.close()
future.set_running_or_notify_cancel()
launch_thread(name, _worker_handler, True, future, worker, reader,
timeout)
return future
def schedule(self, function, args=(), kwargs={}, timeout=None):
"""Schedules *function* to be run the Pool.
*args* and *kwargs* will be forwareded to the scheduled function
respectively as arguments and keyword arguments.
*timeout* is an integer, if expires the task will be terminated
and *Future.result()* will raise *TimeoutError*.
A *pebble.ProcessFuture* object is returned.
"""
self._check_pool_state()
future = ProcessFuture()
payload = TaskPayload(function, args, kwargs)
task = Task(next(self._task_counter), future, timeout, payload)
self._context.task_queue.put(task)
return future
