projects
/
platform
/
kernel
/
linux-starfive.git
/ blob
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
history
|
raw
|
HEAD
Merge tag 'arm-soc-fixes-5.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git...
[platform/kernel/linux-starfive.git]
/
samples
/
watchdog
/
watchdog-simple.c
1
// SPDX-License-Identifier: GPL-2.0
2
#include <stdio.h>
3
#include <stdlib.h>
4
#include <unistd.h>
5
#include <fcntl.h>
6
7
int main(void)
8
{
9
int fd = open("/dev/watchdog", O_WRONLY);
10
int ret = 0;
11
if (fd == -1) {
12
perror("watchdog");
13
exit(EXIT_FAILURE);
14
}
15
while (1) {
16
ret = write(fd, "\0", 1);
17
if (ret != 1) {
18
ret = -1;
19
break;
20
}
21
sleep(10);
22
}
23
close(fd);
24
return ret;
25
}