43 lines
1.1 KiB
Python
43 lines
1.1 KiB
Python
from __future__ import annotations
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import sys
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from typing import Any, Callable
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if sys.platform == "win32":
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import ctypes
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import subprocess
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from ctypes.wintypes import DWORD, HANDLE
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PROCESS_QUERY_LIMITED_INFORMATION = ctypes.c_ulong(0x1000)
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kernel32 = ctypes.windll.kernel32
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OpenProcess: Callable[[DWORD, int, int], HANDLE] = kernel32.OpenProcess
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GetExitCodeProcess: Callable[[HANDLE, Any], int] = kernel32.GetExitCodeProcess
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else:
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import os
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import signal
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def alive(pid: int) -> bool:
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"""Is the process alive?"""
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if sys.platform == "win32":
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# why can't anything be easy...
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status = DWORD()
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handle = OpenProcess(PROCESS_QUERY_LIMITED_INFORMATION, 0, pid)
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GetExitCodeProcess(handle, ctypes.byref(status))
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return status.value == 259 # STILL_ACTIVE
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else:
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try:
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os.kill(pid, 0)
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except OSError:
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return False
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return True
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def kill(pid: int) -> None:
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"""Kill the process."""
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if sys.platform == "win32":
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subprocess.check_output(f"taskkill /pid {pid} /f /t")
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else:
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os.kill(pid, signal.SIGKILL)
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