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| // SPDX-License-Identifier: GPL-2.0
| #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;
| }
|
|
