Pine
96659759b0
- Agent OS：agents 决策循环、runtime 编排、providers、governance/security/sandbox - app 服务层（认证转发到 server-core）、channels 19 路频道、memory、plugins
42 lines
1.3 KiB
Python
42 lines
1.3 KiB
Python
# -*- coding: utf-8 -*-
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"""Shared synchronous process lifecycle helpers for browser resources."""
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from __future__ import annotations
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import contextlib
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from typing import Any
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def _alive(proc: Any) -> bool:
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"""Return whether either supported process family is still running."""
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poll = getattr(proc, "poll", None)
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if poll is not None:
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return poll() is None
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is_alive = getattr(proc, "is_alive", None)
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return bool(is_alive()) if is_alive is not None else False
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def _wait(proc: Any, timeout: float) -> None:
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"""Wait for and reap either subprocess or multiprocessing instances."""
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waiter = getattr(proc, "wait", None) or getattr(proc, "join", None)
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if waiter is None:
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return
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with contextlib.suppress(Exception):
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waiter(timeout)
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def kill_process_sync(proc: Any, *, grace: float = 1.0) -> None:
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"""Terminate one child process idempotently: TERM -> wait -> KILL."""
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if not _alive(proc):
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_wait(proc, 0)
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return
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for signaller in ("terminate", "kill"):
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send = getattr(proc, signaller, None)
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if send is None:
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continue
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with contextlib.suppress(ProcessLookupError, OSError):
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send()
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_wait(proc, grace)
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if not _alive(proc):
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return
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