DRIVER=processor
MODALIAS=cpu:type:x86,ven0002fam001Amod0002:feature:,0000,0001,0002,0003,0004,0005,0006,0007,0008,0009,000B,000C,000D,000E,000F,0010,0011,0013,0017,0018,0019,001A,0020,0021,0022,0023,0024,0025,0026,0027,0028,0029,002B,002C,002D,002E,002F,0030,0031,0034,0036,0037,0038,0039,003A,003B,003D,0064,0065,006E,0070,0074,0075,0079,007A,007F,0080,0081,0089,008C,008D,0091,0093,0094,0095,0096,0097,0098,0099,009A,009B,009C,009D,009E,009F,00C0,00C1,00C4,00C5,00C6,00C7,00C8,00C9,00D7,00EA,00F0,00F1,00F4,00F9,00FA,00FB,00FC,00FE,010F,0114,0115,0120,0121,0123,0125,0127,0128,0129,012A,0130,0131,0132,0133,0134,0135,0137,0138,013C,013D,013E,013F,0140,0141,0142,0143,0165,017A,0184,0185,018B,01A0,01A2,01A9,01AC,01AE,01AF,01B1,01B8,01BC,01C2,0201,0202,0203,0204,0206,0208,0209,020A,020B,020C,020E,0210,0216,021B,021C,0220,0221,0244,0248,025A,025B,025C,025D,025F,0280,0281,0282,0286,0288,0294,029B,029C,029E

  #   ˆl–ß=¿JJj"Tâ‚ÆÃq§”Å£Ëƒh¹ÊÀÈ      1
  $   ˆl–ßi~”*e¶¥6 ^¸Ë×Ú˜´oÌ„l/…¿ËÁÉ ?÷     """Selector event loop for Unix with signal handling."""

import errno
import io
import itertools
import os
import selectors
import signal
import socket
import stat
import subprocess
import sys
import threading
import warnings

from . import base_events
from . import base_subprocess
from . import constants
from . import coroutines
from . import events
from . import exceptions
from . import futures
from . import selector_events
from . import tasks
from . import transports
from .log import logger


__all__ = (
    'SelectorEventLoop',
    'AbstractChildWatcher', 'SafeChildWatcher',
    'FastChildWatcher', 'PidfdChildWatcher',
    'MultiLoopChildWatcher', 'ThreadedChildWatcher',
    'DefaultEventLoopPolicy',
)


if sys.platform == 'win32':  # pragma: no cover
    raise ImportError('Signals are not really supported on Windows')


def _sighandler_noop(signum, frame):
    """Dummy signal handler."""
    pass


def waitstatus_to_exitcode(status):
    try:
        return os.waitstatus_to_exitcode(status)
    except ValueError:
        # The child exited, but we don't understand its status.
        # This shouldn't happen, but if it does, let's just
        # return that status; perhaps that helps debug it.
        return status


class _UnixSelectorEventLoop(selector_events.BaseSelectorEventLoop):
    """Unix event loop.

    Adds signal handling and UNIX Domain Socket support to SelectorEventLoop.
    """

    def __init__(self, selector=None):
        super().__init__(selector)
        self._signal_handlers = {}

    def close(self):
        super().close()
        if not sys.is_finalizing():
            for sig in list(self._signal_handlers):
                self.remove_signal_handler(sig)
        else:
            if self._signal_handlers:
                warnings.warn(f"Closing the loop {self!r} "
                              f"on interpreter shutdown "
                              f"stage, skipping signal handlers removal",
                              ResourceWarning,
                              source=self)
                self._signal_handlers.clear()

    def _process_self_data(self, data):
        for signum in data:
            if not signum:
                # ignore null bytes written by _write_to_self()
                continue
            self._handle_signal(signum)

    def add_signal_handler(self, sig, callback, *args):
        """Add a handler for a signal.  UNIX only.

        Raise ValueError if the signal number is invalid or uncatchable.
        Raise RuntimeError if there is a problem setting up the handler.
        """
        if (coroutines.iscoroutine(callback) or
                coroutines.iscoroutinefunction(callback)):
            raise TypeError("coroutines cannot be used "
                            "with add_signal_handler()")
        self._check_signal(sig)
        self._check_closed()
        try:
            # set_wakeup_fd() raises ValueError if this is not the
            # main thread.  By calling it early we ensure that an
            # event loop running in another thread cannot add