int API
main ()
{
struct routeup rtc;
if (routeup_setup (&rtc))
return 1;
while (!routeup_once (&rtc, 0))
printf ("n\n");
routeup_teardown (&rtc);
return 0;
}
/*
* Wait for a single event to happen. If should_netlink is true, we ask the
* supplied routeup context to wait for an event; otherwise, we wait for a byte
* of input on stdin. Semantics (for return value) are the same as for
* routeup_once().
*/
int
wait_for_event (struct routeup *rtc, int should_netlink, int timeout)
{
char buf[1];
fd_set fds;
struct timeval tv;
int r;
if (should_netlink)
return routeup_once (rtc, timeout);
tv.tv_sec = timeout;
tv.tv_usec = 0;
FD_ZERO (&fds);
FD_SET (STDIN_FILENO, &fds);
r = select (STDIN_FILENO + 1, &fds, NULL, NULL, &tv);
if (r > 0)
return read (STDIN_FILENO, buf, sizeof (buf)) != 1;
return r == 0 ? 1 : -1;
}
static void _routeup(void *arg, int fd)
{
struct routeup *rtup = arg;
while (!routeup_once(rtup, 0))
_subproc_signal(fd);
}