Function ttydisc_rint

components/lwp/terminal/freebsd/tty_ttydisc.c:991–1292

}

int ttydisc_rint(struct lwp_tty *tp, char c, int flags)
{
    int signal, quote = 0;
    char ob[3] = {0xff, 0x00};
    size_t ol;

    tty_assert_locked(tp);

    rt_atomic_add(&tty_nin, 1);

#ifdef USING_BSD_HOOK
    if (ttyhook_hashook(tp, rint))
        return ttyhook_rint(tp, c, flags);
#endif

    if (tp->t_flags & TF_BYPASS)
        goto processed;

    if (flags)
    {
        if (flags & TRE_BREAK)
        {
            if (CMP_FLAG(i, IGNBRK))
            {
                /* Ignore break characters. */
                return 0;
            }
            else if (CMP_FLAG(i, BRKINT))
            {
                /* Generate SIGINT on break. */
                tty_flush(tp, FREAD | FWRITE);
                lwp_tty_signal_pgrp(tp, SIGINT);
                return 0;
            }
            else
            {
                /* Just print it. */
                goto parmrk;
            }
        }
        else if (flags & TRE_FRAMING ||
                 (flags & TRE_PARITY && CMP_FLAG(i, INPCK)))
        {
            if (CMP_FLAG(i, IGNPAR))
            {
                /* Ignore bad characters. */
                return 0;
            }
            else
            {
                /* Just print it. */
                goto parmrk;
            }
        }
    }

    /* Allow any character to perform a wakeup. */
    if (CMP_FLAG(i, IXANY))