# Stubs for tornado_py3.process (Python 3)
#
# NOTE: This dynamically typed stub was automatically generated by stubgen.

import subprocess
from tornado_py3.concurrent import Future
from typing import Any, Callable, Optional

CalledProcessError = subprocess.CalledProcessError

def cpu_count() -> int: ...
def fork_processes(num_processes: Optional[int], max_restarts: Optional[int]=...) -> int: ...
def task_id() -> Optional[int]: ...

class Subprocess:
    STREAM: Any = ...
    io_loop: Any = ...
    stdin: Any = ...
    stdout: Any = ...
    stderr: Any = ...
    proc: Any = ...
    pid: Any = ...
    returncode: Any = ...
    def __init__(self, *args: Any, **kwargs: Any) -> None: ...
    def set_exit_callback(self, callback: Callable[[int], None]) -> None: ...
    def wait_for_exit(self, raise_error: bool=...) -> Future[int]: ...
    @classmethod
    def initialize(cls: Any) -> None: ...
    @classmethod
    def uninitialize(cls: Any) -> None: ...