27 lines
691 B
Python
27 lines
691 B
Python
from threading import RLock, Thread
|
|
from typing import Any, Callable, TypeVar
|
|
|
|
from typing_extensions import ParamSpec
|
|
|
|
from reactivex.typing import StartableTarget
|
|
|
|
_T = TypeVar("_T")
|
|
_P = ParamSpec("_P")
|
|
|
|
|
|
def default_thread_factory(target: StartableTarget) -> Thread:
|
|
return Thread(target=target, daemon=True)
|
|
|
|
|
|
def synchronized(lock: RLock) -> Callable[[Callable[_P, _T]], Callable[_P, _T]]:
|
|
"""A decorator for synchronizing access to a given function."""
|
|
|
|
def wrapper(fn: Callable[_P, _T]) -> Callable[_P, _T]:
|
|
def inner(*args: _P.args, **kw: _P.kwargs) -> Any:
|
|
with lock:
|
|
return fn(*args, **kw)
|
|
|
|
return inner
|
|
|
|
return wrapper
|