The tty core calls the tty driver's open, close and hangup methods holding the tty lock.
Signed-off-by: Peter Hurley <[email protected]> --- include/linux/tty_driver.h | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h index 756a609..e48c608 100644 --- a/include/linux/tty_driver.h +++ b/include/linux/tty_driver.h @@ -35,14 +35,14 @@ * This routine is mandatory; if this routine is not filled in, * the attempted open will fail with ENODEV. * - * Required method. - * + * Required method. Called with tty lock held. + * * void (*close)(struct tty_struct * tty, struct file * filp); * * This routine is called when a particular tty device is closed. * Note: called even if the corresponding open() failed. * - * Required method. + * Required method. Called with tty lock held. * * void (*shutdown)(struct tty_struct * tty); * @@ -172,6 +172,8 @@ * * Optional: * + * Called with tty lock held. + * * int (*break_ctl)(struct tty_struct *tty, int state); * * This optional routine requests the tty driver to turn on or -- 2.0.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
