[PATCH] uml: Add throttling to console driver

[safe/jmp/linux-2.6] / arch / um / include / line.h

diff --git a/arch/um/include/line.h b/arch/um/include/line.h
index e6cc3ab..6f4d680 100644 (file)
--- a/arch/um/include/line.h
+++ b/arch/um/include/line.h
@@ -38,6 +38,7 @@ struct line {
        struct list_head chan_list;
        int valid;
        int count;
+       int throttled;
        /*This lock is actually, mostly, local to*/
        spinlock_t lock;
 
@@ -60,6 +61,7 @@ struct line {
        { init_str :    str, \
          init_pri :    INIT_STATIC, \
          valid :       1, \
+         throttled :   0, \
          lock :        SPIN_LOCK_UNLOCKED, \
          buffer :      NULL, \
          head :        NULL, \
@@ -88,6 +90,8 @@ extern void line_flush_chars(struct tty_struct *tty);
 extern int line_write_room(struct tty_struct *tty);
 extern int line_ioctl(struct tty_struct *tty, struct file * file,
                      unsigned int cmd, unsigned long arg);
+extern void line_throttle(struct tty_struct *tty);
+extern void line_unthrottle(struct tty_struct *tty);
 
 extern char *add_xterm_umid(char *base);
 extern int line_setup_irq(int fd, int input, int output, struct line *line,