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-rw-r--r--Documentation/watchdog/watchdog-api.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/watchdog/watchdog-api.txt b/Documentation/watchdog/watchdog-api.txt
index c5beb548cfc4..21ed51173662 100644
--- a/Documentation/watchdog/watchdog-api.txt
+++ b/Documentation/watchdog/watchdog-api.txt
@@ -36,6 +36,9 @@ timeout or margin. The simplest way to ping the watchdog is to write
36some data to the device. So a very simple watchdog daemon would look 36some data to the device. So a very simple watchdog daemon would look
37like this: 37like this:
38 38
39#include <stdlib.h>
40#include <fcntl.h>
41
39int main(int argc, const char *argv[]) { 42int main(int argc, const char *argv[]) {
40 int fd=open("/dev/watchdog",O_WRONLY); 43 int fd=open("/dev/watchdog",O_WRONLY);
41 if (fd==-1) { 44 if (fd==-1) {