static void do_shift(unsigned char value, char up_flag) { int old_state = shift_state; if (rep) return; /* Mimic typewriter: a CapsShift key acts like Shift but undoes CapsLock */ if (value == KVAL(K_CAPSSHIFT)) { value = KVAL(K_SHIFT); if (!up_flag) clr_vc_kbd_led(kbd, VC_CAPSLOCK); } if (up_flag) { /* handle the case that two shift or control keys are depressed simultaneously */ if (k_down[value]) k_down[value]--; } else k_down[value]++; if (k_down[value]) shift_state |= (1 << value); else shift_state &= ~ (1 << value); /* kludge, no joke... */ if (up_flag && shift_state != old_state && npadch != -1) { put_queue(npadch & 0xff); npadch = -1; } }
void start_tty(struct tty_struct *tty) { if (!tty->stopped) return; tty->stopped = 0; if (tty->link && tty->link->packet) { tty->ctrl_status &= ~TIOCPKT_STOP; tty->ctrl_status |= TIOCPKT_START; wake_up_interruptible(&tty->link->secondary.proc_list); } if (tty->start) (tty->start)(tty); TTY_WRITE_FLUSH(tty); if (IS_A_CONSOLE(tty->line)) { clr_vc_kbd_led(kbd_table + fg_console, VC_SCROLLOCK); set_leds(); } }