Add the function watchdog_is_open to check whether or not the /dev/watchdog? is opened
Signed-off-by: Wenyou Yang <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] --- include/linux/watchdog.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/include/linux/watchdog.h b/include/linux/watchdog.h index e40cc2b..7ea4465 100644 --- a/include/linux/watchdog.h +++ b/include/linux/watchdog.h @@ -111,6 +111,14 @@ static inline bool watchdog_active(struct watchdog_device *wdd) return test_bit(WDOG_ACTIVE, &wdd->status); } +/* Use the following function to check whether or not + * the /dev/watchdog? is opened + */ +static inline bool watchdog_is_open(struct watchdog_device *wddev) +{ + return test_bit(WDOG_DEV_OPEN, &wddev->status); +} + /* Use the following function to set the nowayout feature */ static inline void watchdog_set_nowayout(struct watchdog_device *wdd, bool nowayout) { -- 1.7.9.5 -- 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/
