patch-2.4.19 linux-2.4.19/drivers/char/pty.c

• Lines: 20
• Date: Fri Aug 2 17:39:43 2002
• Orig file: linux-2.4.18/drivers/char/pty.c
• Orig date: Fri Dec 21 09:41:54 2001

diff -urN linux-2.4.18/drivers/char/pty.c linux-2.4.19/drivers/char/pty.c
@@ -5,6 +5,10 @@
  *
  *  Added support for a Unix98-style ptmx device.
  *    -- C. Scott Ananian <cananian@alumni.princeton.edu>, 14-Jan-1998
+ *  Added TTY_DO_WRITE_WAKEUP to enable n_tty to send POLL_OUT to
+ *      waiting writers -- Sapan Bhatia <sapan@corewars.org>
+ *
+ *
  */
 
 #include <linux/config.h>
@@ -331,6 +335,8 @@
 	clear_bit(TTY_OTHER_CLOSED, &tty->link->flags);
 	wake_up_interruptible(&pty->open_wait);
 	set_bit(TTY_THROTTLED, &tty->flags);
+	set_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);
+
 	/*  Register a slave for the master  */
 	if (tty->driver.major == PTY_MASTER_MAJOR)
 		tty_register_devfs(&tty->link->driver,