diff options
Diffstat (limited to 'drivers/tty/tty.h')
| -rw-r--r-- | drivers/tty/tty.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/tty/tty.h b/drivers/tty/tty.h index af997a4174c5..cf0b1346b346 100644 --- a/drivers/tty/tty.h +++ b/drivers/tty/tty.h @@ -40,6 +40,21 @@ enum { TTY_LOCK_SLAVE, }; +/* Values for tty->flow_change */ +#define TTY_THROTTLE_SAFE 1 +#define TTY_UNTHROTTLE_SAFE 2 + +static inline void __tty_set_flow_change(struct tty_struct *tty, int val) +{ + tty->flow_change = val; +} + +static inline void tty_set_flow_change(struct tty_struct *tty, int val) +{ + tty->flow_change = val; + smp_mb(); +} + int tty_ldisc_lock(struct tty_struct *tty, unsigned long timeout); void tty_ldisc_unlock(struct tty_struct *tty); @@ -57,4 +72,6 @@ static inline void tty_audit_tiocsti(struct tty_struct *tty, char ch) } #endif +ssize_t redirected_tty_write(struct kiocb *, struct iov_iter *); + #endif |