Revert "module: Add retpoline tag to VERMAGIC"
[linux/fpc-iii.git] / samples / watchdog / watchdog-simple.c
blob9ce66d2ca2a9c02e56bb338ff1cdf7a4ca24e702
1 // SPDX-License-Identifier: GPL-2.0
2 #include <stdio.h>
3 #include <stdlib.h>
4 #include <unistd.h>
5 #include <fcntl.h>
7 int main(void)
9 int fd = open("/dev/watchdog", O_WRONLY);
10 int ret = 0;
11 if (fd == -1) {
12 perror("watchdog");
13 exit(EXIT_FAILURE);
15 while (1) {
16 ret = write(fd, "\0", 1);
17 if (ret != 1) {
18 ret = -1;
19 break;
21 sleep(10);
23 close(fd);
24 return ret;