File: watchdog-simple.c

package info (click to toggle)
linux 6.12.43-1
  • links: PTS, VCS
  • area: main
  • in suites: trixie
  • size: 1,676,260 kB
  • sloc: ansic: 25,921,022; asm: 269,579; sh: 136,424; python: 65,440; makefile: 55,721; perl: 37,752; xml: 19,284; cpp: 5,895; yacc: 4,927; lex: 2,939; awk: 1,594; sed: 28; ruby: 25
file content (25 lines) | stat: -rw-r--r-- 382 bytes parent folder | download | duplicates (36) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
 
// 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;
}