From 5a52bd4a2dcb570333ce6fe2e16cd311650dbdc8 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Sun, 15 Jul 2007 23:40:18 -0700 Subject: [PATCH] Char: tty_ioctl, use wait_event_interruptible_timeout tty_ioctl, use wait_event_interruptible_timeout Signed-off-by: Jiri Slaby Cc: Alan Cox Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/tty_ioctl.c | 21 +++------------------ 1 file changed, 3 insertions(+), 18 deletions(-) diff --git a/drivers/char/tty_ioctl.c b/drivers/char/tty_ioctl.c index 918e24c885..2b6a3847a9 100644 --- a/drivers/char/tty_ioctl.c +++ b/drivers/char/tty_ioctl.c @@ -52,8 +52,6 @@ void tty_wait_until_sent(struct tty_struct * tty, long timeout) { - DECLARE_WAITQUEUE(wait, current); - #ifdef TTY_DEBUG_WAIT_UNTIL_SENT char buf[64]; @@ -61,26 +59,13 @@ void tty_wait_until_sent(struct tty_struct * tty, long timeout) #endif if (!tty->driver->chars_in_buffer) return; - add_wait_queue(&tty->write_wait, &wait); if (!timeout) timeout = MAX_SCHEDULE_TIMEOUT; - do { -#ifdef TTY_DEBUG_WAIT_UNTIL_SENT - printk(KERN_DEBUG "waiting %s...(%d)\n", tty_name(tty, buf), - tty->driver->chars_in_buffer(tty)); -#endif - set_current_state(TASK_INTERRUPTIBLE); - if (signal_pending(current)) - goto stop_waiting; - if (!tty->driver->chars_in_buffer(tty)) - break; - timeout = schedule_timeout(timeout); - } while (timeout); + if (wait_event_interruptible_timeout(tty->write_wait, + !tty->driver->chars_in_buffer(tty), timeout)) + return; if (tty->driver->wait_until_sent) tty->driver->wait_until_sent(tty, timeout); -stop_waiting: - set_current_state(TASK_RUNNING); - remove_wait_queue(&tty->write_wait, &wait); } EXPORT_SYMBOL(tty_wait_until_sent); -- 2.39.5