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61 lines
2.4 KiB
Python
61 lines
2.4 KiB
Python
import threading
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from collections.abc import Callable
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from multiprocessing.context import BaseContext
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from types import TracebackType
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from typing_extensions import TypeAlias
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__all__ = ["Lock", "RLock", "Semaphore", "BoundedSemaphore", "Condition", "Event"]
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_LockLike: TypeAlias = Lock | RLock
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class Barrier(threading.Barrier):
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def __init__(
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self, parties: int, action: Callable[[], object] | None = None, timeout: float | None = None, *, ctx: BaseContext
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) -> None: ...
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class Condition:
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def __init__(self, lock: _LockLike | None = None, *, ctx: BaseContext) -> None: ...
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def notify(self, n: int = 1) -> None: ...
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def notify_all(self) -> None: ...
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def wait(self, timeout: float | None = None) -> bool: ...
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def wait_for(self, predicate: Callable[[], bool], timeout: float | None = None) -> bool: ...
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def __enter__(self) -> bool: ...
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def __exit__(
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self, exc_type: type[BaseException] | None, exc_val: BaseException | None, exc_tb: TracebackType | None, /
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) -> None: ...
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# These methods are copied from the lock passed to the constructor, or an
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# instance of ctx.RLock() if lock was None.
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def acquire(self, block: bool = True, timeout: float | None = None) -> bool: ...
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def release(self) -> None: ...
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class Event:
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def __init__(self, *, ctx: BaseContext) -> None: ...
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def is_set(self) -> bool: ...
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def set(self) -> None: ...
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def clear(self) -> None: ...
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def wait(self, timeout: float | None = None) -> bool: ...
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# Not part of public API
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class SemLock:
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def __init__(self, kind: int, value: int, maxvalue: int, *, ctx: BaseContext | None) -> None: ...
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def __enter__(self) -> bool: ...
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def __exit__(
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self, exc_type: type[BaseException] | None, exc_val: BaseException | None, exc_tb: TracebackType | None, /
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) -> None: ...
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# These methods are copied from the wrapped _multiprocessing.SemLock object
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def acquire(self, block: bool = True, timeout: float | None = None) -> bool: ...
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def release(self) -> None: ...
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class Lock(SemLock):
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def __init__(self, *, ctx: BaseContext) -> None: ...
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class RLock(SemLock):
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def __init__(self, *, ctx: BaseContext) -> None: ...
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class Semaphore(SemLock):
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def __init__(self, value: int = 1, *, ctx: BaseContext) -> None: ...
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def get_value(self) -> int: ...
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class BoundedSemaphore(Semaphore):
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def __init__(self, value: int = 1, *, ctx: BaseContext) -> None: ...
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