ssize_t Console::readline(int fd, char* ptr, int maxlen)
{
ssize_t n, rc;
char c;

for( n=1; n
//-------------------------------------------------------------------2

        } else if( rc == 0 ) {

            return 0;

        } else if( errno == EINTR ) {

            continue;

        } else {

            return -1;

        }

    }
*ptr = 0;
return n;

}

if place line 1 to line 2

the CConsole main loop will hang.