Files
typeshed/stdlib/multiprocessing/synchronize.pyi
2024-03-09 14:50:16 -08:00

55 lines
2.1 KiB
Python

import threading
from collections.abc import Callable
from contextlib import AbstractContextManager
from multiprocessing.context import BaseContext
from types import TracebackType
from typing_extensions import TypeAlias
__all__ = ["Lock", "RLock", "Semaphore", "BoundedSemaphore", "Condition", "Event"]
_LockLike: TypeAlias = Lock | RLock
class Barrier(threading.Barrier):
def __init__(
self, parties: int, action: Callable[[], object] | None = None, timeout: float | None = None, *ctx: BaseContext
) -> None: ...
class Condition(AbstractContextManager[bool]):
def __init__(self, lock: _LockLike | None = None, *, ctx: BaseContext) -> None: ...
def notify(self, n: int = 1) -> None: ...
def notify_all(self) -> None: ...
def wait(self, timeout: float | None = None) -> bool: ...
def wait_for(self, predicate: Callable[[], bool], timeout: float | None = None) -> bool: ...
def acquire(self, block: bool = ..., timeout: float | None = ...) -> bool: ...
def release(self) -> None: ...
def __exit__(
self, exc_type: type[BaseException] | None, exc_val: BaseException | None, exc_tb: TracebackType | None, /
) -> None: ...
class Event:
def __init__(self, *, ctx: BaseContext) -> None: ...
def is_set(self) -> bool: ...
def set(self) -> None: ...
def clear(self) -> None: ...
def wait(self, timeout: float | None = None) -> bool: ...
# Not part of public API
class SemLock(AbstractContextManager[bool]):
def acquire(self, block: bool = ..., timeout: float | None = ...) -> bool: ...
def release(self) -> None: ...
def __exit__(
self, exc_type: type[BaseException] | None, exc_val: BaseException | None, exc_tb: TracebackType | None, /
) -> None: ...
class Lock(SemLock):
def __init__(self, *, ctx: BaseContext) -> None: ...
class RLock(SemLock):
def __init__(self, *, ctx: BaseContext) -> None: ...
class Semaphore(SemLock):
def __init__(self, value: int = 1, *, ctx: BaseContext) -> None: ...
class BoundedSemaphore(Semaphore):
def __init__(self, value: int = 1, *, ctx: BaseContext) -> None: ...