INNER CODE UNIT · Python

max_fd

briscverse/ryp · ryp.py:1517

    max_fd = -1
    handlers = _rlib.R_InputHandlers
    while handlers != _ffi.NULL:
        fd = handlers.fileDescriptor
        if fd > 0:  # i.e. not stdin
            # The next line is equivalent to FD_SET(fd, read_mask)
            read_mask.fds_bits[fd // NFDBITS] |= 1 << (fd % NFDBITS)
            max_fd = max(max_fd, fd)
        handlers = handlers.next
    if select(max_fd + 1, read_mask, _ffi.NULL, _ffi.NULL, timeval) > 0:
        return read_mask
    else:
        return _ffi.NULL


def _handle_plot_events() -> None:
    """
    Handle plot events. Starts running in a background thread when the user

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