redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

n_tty: Move n_tty_write_wakeup() to avoid forward declaration 

Prepare to special case pty flow control; avoid forward declaration.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
hifive-unleashed-5.1
Peter Hurley 2013-06-15 09:14:34 -04:00 committed by Greg Kroah-Hartman
parent 6367ca72f1
commit ee0bab83ce
1 changed files with 15 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
drivers/tty/n_tty.c
View File

@ -214,6 +214,21 @@ static ssize_t chars_in_buffer(struct tty_struct *tty)
return n;
}
/**
* n_tty_write_wakeup - asynchronous I/O notifier
* @tty: tty device
*
* Required for the ptys, serial driver etc. since processes
* that attach themselves to the master and rely on ASYNC
* IO must be woken up
*/
static void n_tty_write_wakeup(struct tty_struct *tty)
{
if (tty->fasync && test_and_clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags))
kill_fasync(&tty->fasync, SIGIO, POLL_OUT);
}
static inline void n_tty_check_throttle(struct tty_struct *tty)
{
/*
@ -1458,22 +1473,6 @@ handle_newline:
put_tty_queue(c, ldata);
}
/**
* n_tty_write_wakeup - asynchronous I/O notifier
* @tty: tty device
*
* Required for the ptys, serial driver etc. since processes
* that attach themselves to the master and rely on ASYNC
* IO must be woken up
*/
static void n_tty_write_wakeup(struct tty_struct *tty)
{
if (tty->fasync && test_and_clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags))
kill_fasync(&tty->fasync, SIGIO, POLL_OUT);
}
/**
* n_tty_receive_buf - data receive
* @tty: terminal device