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Diffstat (limited to 'Documentation/watchdog/watchdog-api.txt')
| -rw-r--r-- | Documentation/watchdog/watchdog-api.txt | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/watchdog/watchdog-api.txt b/Documentation/watchdog/watchdog-api.txt index 7dc2c1c6f77917..d738ec25eaa482 100644 --- a/Documentation/watchdog/watchdog-api.txt +++ b/Documentation/watchdog/watchdog-api.txt @@ -134,6 +134,15 @@ There is also a get function for getting the pretimeout: Not all watchdog drivers will support a pretimeout. +Get the number of seconds before reboot: + +Some watchdog drivers have the ability to report the remaining time +before the system will reboot. The WDIOC_GETTIMELEFT is the ioctl +that returns the number of seconds before reboot. + + ioctl(fd, WDIOC_GETTIMELEFT, &timeleft); + printf("The timeout was is %d seconds\n", timeleft); + Environmental monitoring: All watchdog drivers are required return more information about the system, |