Revision 56ab6b93007e5000a8812985aec1833c4a6a9ce0 authored by Haishuang Yan on 25 December 2016, 06:33:16 UTC, committed by David S. Miller on 27 December 2016, 17:28:07 UTC
Different namespaces might have different requirements to reuse TIME-WAIT sockets for new connections. This might be required in cases where different namespace applications are in place which require TIME_WAIT socket connections to be reduced independently of the host. Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com> Signed-off-by: David S. Miller <davem@davemloft.net>
1 parent e6afb1a
watchdog-simple.c
#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;
}
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