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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad...
[GitHub/mt8127/android_kernel_alcatel_ttab.git]
/
Documentation
/
watchdog
/
src
/
watchdog-simple.c
1
#include <stdio.h>
2
#include <stdlib.h>
3
#include <unistd.h>
4
#include <fcntl.h>
5
6
int
main
(
void
)
7
{
8
int
fd
=
open
(
"/dev/watchdog"
,
O_WRONLY
);
9
int
ret
=
0
;
10
if
(
fd
== -
1
) {
11
perror
(
"watchdog"
);
12
exit
(
EXIT_FAILURE
);
13
}
14
while
(
1
) {
15
ret
=
write
(
fd
,
"\0"
,
1
);
16
if
(
ret
!=
1
) {
17
ret
= -
1
;
18
break
;
19
}
20
sleep
(
10
);
21
}
22
close
(
fd
);
23
return
ret
;
24
}