1 files changed, 24 insertions, 0 deletions

diff --git a/samples/watchdog/watchdog-simple.c b/samples/watchdog/watchdog-simple.c
new file mode 100644
index 000000000000..ba45803a2216
--- /dev/null
+++ b/samples/watchdog/watchdog-simple.c
@@ -0,0 +1,24 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+int main(void)
+{
+        int fd = open("/dev/watchdog", O_WRONLY);
+        int ret = 0;
+        if (fd == -1) {
+                perror("watchdog");
+                exit(EXIT_FAILURE);
+        }
+        while (1) {
+                ret = write(fd, "\0", 1);
+                if (ret != 1) {
+                        ret = -1;
+                        break;
+                }
+                sleep(10);
+        }
+        close(fd);
+        return ret;
+}