Function _is_process_running

Lib/profiling/sampling/sample.py:352–371

(pid)

def _is_process_running(pid):
    if pid <= 0:
        return False
    if os.name == "posix":
        try:
            os.kill(pid, 0)
            return True
        except ProcessLookupError:
            return False
        except PermissionError:
            # EPERM means process exists but we can't signal it
            return True
    elif sys.platform == "win32":
        try:
            _remote_debugging.RemoteUnwinder(pid)
        except Exception:
            return False
        return True
    else:
        raise ValueError(f"Unsupported platform: {sys.platform}")


def sample(