bool QIrSocketEngine::waitFor(QIrSocketEngine::SelectTypes types,
int fd, int timeout, bool *timedOut,
bool *canRead, bool *canWrite)
{
if (timedOut)
*timedOut = false;
QTime stopWatch;
stopWatch.start();
while ((timeout < 0) || (stopWatch.elapsed() < timeout)) {
int msecs = timeout_value(timeout, stopWatch.elapsed());
int ret = select(types, fd, msecs, canRead, canWrite);
if (ret == 0) {
if (timedOut)
*timedOut = true;
m_error = QIrSocket::TimeoutError;
return false;
}
if (ret > 0)
return true;
// Have an error condition, continue on interrupt
if (errno == EINTR)
continue;
break;
}
m_error = QIrSocket::UnknownError;
return false;
}
static u_int
host_is_up (ACE_TCHAR hostname[])
{
ACE_SOCK_Connector con;
ACE_SOCK_Stream sock;
// The ACE_INET_Addr construction causes gethostbyname_r to be
// called, so we need to copy the hostname.
ACE_TCHAR test_host[MAXHOSTNAMELEN];
ACE_OS::strcpy (test_host, hostname);
ACE_INET_Addr another_host ((u_short) 7, test_host);
ACE_Time_Value timeout_value (5);
int const status = con.connect (sock,
another_host,
&timeout_value);
sock.close ();
return status == 0 ? 1 : 0;
}
