signal(SIGHUP, SIG_DFL);
signal(SIGUSR1, SIG_IGN);
+ /* we need a blocking fd here as recv() might return EAGAIN otherwise. */
+ ret = mark_fd_blocking(fd);
+ if (ret < 0)
+ goto err_out;
challenge_nr = random();
/* send Welcome message */
ret = send_va_buffer(fd, "This is para_server, version "