# This python code can be imported into tests in order to terminate a process

# with signal.SIGKILL on posix, or a roughly equivalent procedure on Windows.

from __future__ import annotations

import os

import signal

import subprocess

import sys

import tempfile

from .. import (

    encoding,

    pycompat,

)

from ..utils import procutil

def kill_nt(pid: int, exit_code: int):

    fd, pidfile = tempfile.mkstemp(

        prefix=b"sigkill-", dir=encoding.environ[b"HGTMP"], text=False

    )

    try:

        os.write(fd, b'%d\n' % pid)

    finally:

        os.close(fd)

    env = dict(encoding.environ)

    env[b"DAEMON_EXITCODE"] = b"%d" % exit_code

    # Simulate the message written to stderr for this process on non-Windows

    # platforms, for test consistency.

    print("Killed!", file=sys.stderr)

    subprocess.run(

        [

            encoding.environ[b"PYTHON"],

            b"%s/killdaemons.py"

            % encoding.environ[b'RUNTESTDIR_FORWARD_SLASH'],

            pidfile,

        ],

        env=procutil.tonativeenv(env),

    )

def kill(pid: int):

    """Kill the process with the given PID with SIGKILL or equivalent."""

    if pycompat.iswindows:

        exit_code = 128 + 9

        kill_nt(pid, exit_code)

    else:

        os.kill(pid, signal.SIGKILL)