static int vnc_update_client(VncState *vs, int has_dirty, bool sync)

{

    if (vs->need_update && vs->csock != -1) {

        VncDisplay *vd = vs->vd;

        VncJob *job;

        int y;

        int height;

        int n = 0;



        if (vs->output.offset && !vs->audio_cap && !vs->force_update)

            /* kernel send buffers are full -> drop frames to throttle */

            return 0;



        if (!has_dirty && !vs->audio_cap && !vs->force_update)

            return 0;



        /*

         * Send screen updates to the vnc client using the server

         * surface and server dirty map.  guest surface updates

         * happening in parallel don't disturb us, the next pass will

         * send them to the client.

         */

        job = vnc_job_new(vs);



        height = MIN(pixman_image_get_height(vd->server), vs->client_height);



        y = 0;

        for (;;) {

            int x, h;

            unsigned long x2;

            unsigned long offset = find_next_bit((unsigned long *) &vs->dirty,

                                                 height * VNC_DIRTY_BPL(vs),

                                                 y * VNC_DIRTY_BPL(vs));

            if (offset == height * VNC_DIRTY_BPL(vs)) {

                /* no more dirty bits */

                break;

            }

            y = offset / VNC_DIRTY_BPL(vs);

            x = offset % VNC_DIRTY_BPL(vs);

            x2 = find_next_zero_bit((unsigned long *) &vs->dirty[y],

                                    VNC_DIRTY_BPL(vs), x);

            bitmap_clear(vs->dirty[y], x, x2 - x);

            h = find_and_clear_dirty_height(vs, y, x, x2, height);

            n += vnc_job_add_rect(job, x * VNC_DIRTY_PIXELS_PER_BIT, y,

                                  (x2 - x) * VNC_DIRTY_PIXELS_PER_BIT, h);

        }



        vnc_job_push(job);

        vs->force_update = 0;

        return n;

    }



    if (vs->csock == -1) {

        vnc_disconnect_finish(vs);

    } else if (sync) {

        vnc_jobs_join(vs);

    }



    return 0;

}

static int vnc_update_client(VncState *vs, int has_dirty, bool sync)

{

    if (vs->need_update && vs->csock != -1) {

        VncDisplay *vd = vs->vd;

        VncJob *job;

        int y;

        int height;

        int n = 0;



        if (vs->output.offset && !vs->audio_cap && !vs->force_update)

            

            return 0;



        if (!has_dirty && !vs->audio_cap && !vs->force_update)

            return 0;



        











        job = vnc_job_new(vs);



        height = MIN(pixman_image_get_height(vd->server), vs->client_height);



        y = 0;

        for (;;) {

            int x, h;

            unsigned long x2;

            unsigned long offset = find_next_bit((unsigned long *) &vs->dirty,

                                                 height * VNC_DIRTY_BPL(vs),

                                                 y * VNC_DIRTY_BPL(vs));

            if (offset == height * VNC_DIRTY_BPL(vs)) {

                

                break;

            }

            y = offset / VNC_DIRTY_BPL(vs);

            x = offset % VNC_DIRTY_BPL(vs);

            x2 = find_next_zero_bit((unsigned long *) &vs->dirty[y],

                                    VNC_DIRTY_BPL(vs), x);

            bitmap_clear(vs->dirty[y], x, x2 - x);

            h = find_and_clear_dirty_height(vs, y, x, x2, height);

            n += vnc_job_add_rect(job, x * VNC_DIRTY_PIXELS_PER_BIT, y,

                                  (x2 - x) * VNC_DIRTY_PIXELS_PER_BIT, h);

        }



        vnc_job_push(job);

        vs->force_update = 0;

        return n;

    }



    if (vs->csock == -1) {

        vnc_disconnect_finish(vs);

    } else if (sync) {

        vnc_jobs_join(vs);

    }



    return 0;

}

static int FUNC_0(VncState *VAR_0, int VAR_1, bool VAR_2)

{

    if (VAR_0->need_update && VAR_0->csock != -1) {

        VncDisplay *vd = VAR_0->vd;

        VncJob *job;

        int VAR_3;

        int VAR_4;

        int VAR_5 = 0;



        if (VAR_0->output.VAR_9 && !VAR_0->audio_cap && !VAR_0->force_update)

            

            return 0;



        if (!VAR_1 && !VAR_0->audio_cap && !VAR_0->force_update)

            return 0;



        











        job = vnc_job_new(VAR_0);



        VAR_4 = MIN(pixman_image_get_height(vd->server), VAR_0->client_height);



        VAR_3 = 0;

        for (;;) {

            int VAR_6, VAR_7;

            unsigned long VAR_8;

            unsigned long VAR_9 = find_next_bit((unsigned long *) &VAR_0->dirty,

                                                 VAR_4 * VNC_DIRTY_BPL(VAR_0),

                                                 VAR_3 * VNC_DIRTY_BPL(VAR_0));

            if (VAR_9 == VAR_4 * VNC_DIRTY_BPL(VAR_0)) {

                

                break;

            }

            VAR_3 = VAR_9 / VNC_DIRTY_BPL(VAR_0);

            VAR_6 = VAR_9 % VNC_DIRTY_BPL(VAR_0);

            VAR_8 = find_next_zero_bit((unsigned long *) &VAR_0->dirty[VAR_3],

                                    VNC_DIRTY_BPL(VAR_0), VAR_6);

            bitmap_clear(VAR_0->dirty[VAR_3], VAR_6, VAR_8 - VAR_6);

            VAR_7 = find_and_clear_dirty_height(VAR_0, VAR_3, VAR_6, VAR_8, VAR_4);

            VAR_5 += vnc_job_add_rect(job, VAR_6 * VNC_DIRTY_PIXELS_PER_BIT, VAR_3,

                                  (VAR_8 - VAR_6) * VNC_DIRTY_PIXELS_PER_BIT, VAR_7);

        }



        vnc_job_push(job);

        VAR_0->force_update = 0;

        return VAR_5;

    }



    if (VAR_0->csock == -1) {

        vnc_disconnect_finish(VAR_0);

    } else if (VAR_2) {

        vnc_jobs_join(VAR_0);

    }



    return 0;

}

static int FUNC_0(VncState *VAR_0, int VAR_1, bool VAR_2)
{ if (VAR_0->need_update && VAR_0->csock != -1) { VncDisplay *vd = VAR_0->vd; VncJob *job; int VAR_3; int VAR_4; int VAR_5 = 0; if (VAR_0->output.VAR_9 && !VAR_0->audio_cap && !VAR_0->force_update)
return 0; if (!VAR_1 && !VAR_0->audio_cap && !VAR_0->force_update)
return 0; job = vnc_job_new(VAR_0); VAR_4 = MIN(pixman_image_get_height(vd->server), VAR_0->client_height); VAR_3 = 0; for (;;) { int VAR_6, VAR_7; unsigned long VAR_8; unsigned long VAR_9 = find_next_bit((unsigned long *) &VAR_0->dirty,
VAR_4 * VNC_DIRTY_BPL(VAR_0),
VAR_3 * VNC_DIRTY_BPL(VAR_0)); if (VAR_9 == VAR_4 * VNC_DIRTY_BPL(VAR_0)) { break; } VAR_3 = VAR_9 / VNC_DIRTY_BPL(VAR_0); VAR_6 = VAR_9 % VNC_DIRTY_BPL(VAR_0); VAR_8 = find_next_zero_bit((unsigned long *) &VAR_0->dirty[VAR_3],
VNC_DIRTY_BPL(VAR_0), VAR_6); bitmap_clear(VAR_0->dirty[VAR_3], VAR_6, VAR_8 - VAR_6); VAR_7 = find_and_clear_dirty_height(VAR_0, VAR_3, VAR_6, VAR_8, VAR_4); VAR_5 += vnc_job_add_rect(job, VAR_6 * VNC_DIRTY_PIXELS_PER_BIT, VAR_3,
(VAR_8 - VAR_6) * VNC_DIRTY_PIXELS_PER_BIT, VAR_7); } vnc_job_push(job); VAR_0->force_update = 0; return VAR_5; } if (VAR_0->csock == -1) { vnc_disconnect_finish(VAR_0); } else if (VAR_2) { vnc_jobs_join(VAR_0); } return 0; }