diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/tty/tty.h | 17 | ||||
| -rw-r--r-- | drivers/tty/tty_ioctl.c | 1 |
2 files changed, 18 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 diff --git a/drivers/tty/tty_ioctl.c b/drivers/tty/tty_ioctl.c index 420e7678330f..41f7449d0464 100644 --- a/drivers/tty/tty_ioctl.c +++ b/drivers/tty/tty_ioctl.c @@ -21,6 +21,7 @@ #include <linux/bitops.h> #include <linux/mutex.h> #include <linux/compat.h> +#include "tty.h" #include <asm/io.h> #include <linux/uaccess.h> |