Acked-by: Jonathon Jongsma <jjongsma@xxxxxxxxxx>
On Thu, 2016-06-16 at 10:41 +0100, Frediano Ziglio wrote:
> Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
> ---
> server/dcc-encoders.c | 16 ++++++++++++++++
> server/dcc-encoders.h | 2 ++
> server/display-channel.c | 15 ++++-----------
> 3 files changed, 22 insertions(+), 11 deletions(-)
>
> diff --git a/server/dcc-encoders.c b/server/dcc-encoders.c
> index 7a6a87d..156ce2f 100644
> --- a/server/dcc-encoders.c
> +++ b/server/dcc-encoders.c
> @@ -552,6 +552,22 @@ static void red_glz_drawable_free(RedGlzDrawable
> *glz_drawable)
> }
> }
>
> +gboolean image_encoders_glz_encode_lock(ImageEncoders *enc)
> +{
> + if (enc->glz_dict) {
> + pthread_rwlock_wrlock(&enc->glz_dict->encode_lock);
> + return TRUE;
> + }
> + return FALSE;
> +}
> +
> +void image_encoders_glz_encode_unlock(ImageEncoders *enc)
> +{
> + if (enc->glz_dict) {
> + pthread_rwlock_unlock(&enc->glz_dict->encode_lock);
> + }
> +}
> +
> /*
> * Remove from the global lz dictionary some glz_drawables that have no
> reference to
> * Drawable (their qxl drawables are released too).
> diff --git a/server/dcc-encoders.h b/server/dcc-encoders.h
> index 284ed74..10119eb 100644
> --- a/server/dcc-encoders.h
> +++ b/server/dcc-encoders.h
> @@ -48,6 +48,8 @@ void
> image_encoders_free_glz_drawables_to_free(ImageEncoders* enc);
> gboolean image_encoders_glz_create(ImageEncoders *enc, uint8_t id);
> void image_encoders_glz_get_restore_data(ImageEncoders *enc,
> uint8_t *out_id,
> GlzEncDictRestoreData *out_data);
> +gboolean image_encoders_glz_encode_lock(ImageEncoders *enc);
> +void image_encoders_glz_encode_unlock(ImageEncoders *enc);
> void drawable_free_glz_drawables(struct Drawable *drawable);
> void drawable_detach_glz_drawables(struct Drawable *drawable);
>
> diff --git a/server/display-channel.c b/server/display-channel.c
> index 4a0094b..2366a98 100644
> --- a/server/display-channel.c
> +++ b/server/display-channel.c
> @@ -1206,12 +1206,9 @@ void display_channel_free_some(DisplayChannel *display)
> spice_debug("#draw=%d, #glz_draw=%d", display->drawable_count,
> display->encoder_shared_data.glz_drawable_count);
> FOREACH_CLIENT(display, link, next, dcc) {
> - GlzSharedDictionary *glz_dict = dcc->encoders.glz_dict;
> -
> - if (glz_dict) {
> - // encoding using the dictionary is prevented since the following
> operations might
> - // change the dictionary
> - pthread_rwlock_wrlock(&glz_dict->encode_lock);
> + // encoding using the dictionary is prevented since the following
> operations might
> + // change the dictionary
> + if (image_encoders_glz_encode_lock(&dcc->encoders)) {
> n = image_encoders_free_some_independent_glz_drawables(&dcc-
> >encoders);
> }
> }
> @@ -1221,11 +1218,7 @@ void display_channel_free_some(DisplayChannel *display)
> }
>
> FOREACH_CLIENT(display, link, next, dcc) {
> - GlzSharedDictionary *glz_dict = dcc->encoders.glz_dict;
> -
> - if (glz_dict) {
> - pthread_rwlock_unlock(&glz_dict->encode_lock);
> - }
> + image_encoders_glz_encode_unlock(&dcc->encoders);
> }
> }
>
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