Function X11_create_nhwindow

win/X11/winX.c:1041–1133

}

winid
X11_create_nhwindow(int type)
{
    winid window;
    struct xwindow *wp;

    if (!x_inited)
        panic("create_nhwindow:  windows not initialized");

#ifdef X11_HANGUP_SIGNAL
    /* set up our own signal handlers on the first call.  Can't do this in
     * X11_init_nhwindows because unixmain sets its handler after calling
     * all the init routines. */
    if (X11_sig_id == 0) {
        X11_sig_id = XtAppAddSignal(app_context, X11_sig_cb, (XtPointer) 0);
#ifdef SA_RESTART
        {
            struct sigaction sact;

            (void) memset((char *) &sact, 0, sizeof(struct sigaction));
            sact.sa_handler = (SIG_RET_TYPE) X11_sig;
            (void) sigaction(SIGHUP, &sact, (struct sigaction *) 0);
#ifdef SIGXCPU
            (void) sigaction(SIGXCPU, &sact, (struct sigaction *) 0);
#endif
        }
#else
        (void) signal(SIGHUP, (SIG_RET_TYPE) X11_sig);
#ifdef SIGXCPU
        (void) signal(SIGXCPU, (SIG_RET_TYPE) X11_sig);
#endif
#endif
    }
#endif

    /*
     * We have already created the standard message, map, and status
     * windows in the window init routine.  The first window of that
     * type to be created becomes the standard.
     *
     * A better way to do this would be to say that init_nhwindows()
     * has already defined these three windows.
     */
    if (type == NHW_MAP && map_win != WIN_ERR) {
        window = map_win;
        map_win = WIN_ERR;
        return window;
    }
    if (type == NHW_MESSAGE && message_win != WIN_ERR) {
        window = message_win;
        message_win = WIN_ERR;
        return window;
    }
    if (type == NHW_STATUS && status_win != WIN_ERR) {
        window = status_win;
        status_win = WIN_ERR;
        return window;
    }