Function _managed_subprocess

Lib/test/test_external_inspection.py:167–189

Context manager for subprocess lifecycle management. Ensures process is properly terminated and cleaned up even on exceptions. Uses graceful termination first, then forceful kill if needed.

(args, timeout=SHORT_TIMEOUT)

@contextmanager
def _managed_subprocess(args, timeout=SHORT_TIMEOUT):
    """
    Context manager for subprocess lifecycle management.

    Ensures process is properly terminated and cleaned up even on exceptions.
    Uses graceful termination first, then forceful kill if needed.
    """
    p = subprocess.Popen(args)
    try:
        yield p
    finally:
        try:
            p.terminate()
            try:
                p.wait(timeout=timeout)
            except subprocess.TimeoutExpired:
                p.kill()
                try:
                    p.wait(timeout=timeout)
                except subprocess.TimeoutExpired:
                    pass  # Process refuses to die, nothing more we can do
        except OSError:
            pass  # Process already dead


def _cleanup_sockets(*sockets):