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kms/page-flip: Make tha data struct use gatomicref instead of int
While there are no threads that makes this necessary, lets change this now so we don't forget later. Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1488>
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@ -33,7 +33,7 @@ typedef struct _MetaKmsPageFlipClosure
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struct _MetaKmsPageFlipData
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{
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int ref_count;
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gatomicrefcount ref_count;
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MetaKmsImplDevice *impl_device;
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MetaKmsCrtc *crtc;
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@ -78,10 +78,10 @@ meta_kms_page_flip_data_new (MetaKmsImplDevice *impl_device,
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page_flip_data = g_new0 (MetaKmsPageFlipData , 1);
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*page_flip_data = (MetaKmsPageFlipData) {
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.ref_count = 1,
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.impl_device = impl_device,
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.crtc = crtc,
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};
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g_atomic_ref_count_init (&page_flip_data->ref_count);
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return page_flip_data;
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}
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@ -89,7 +89,7 @@ meta_kms_page_flip_data_new (MetaKmsImplDevice *impl_device,
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MetaKmsPageFlipData *
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meta_kms_page_flip_data_ref (MetaKmsPageFlipData *page_flip_data)
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{
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page_flip_data->ref_count++;
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g_atomic_ref_count_inc (&page_flip_data->ref_count);
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return page_flip_data;
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}
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@ -97,9 +97,7 @@ meta_kms_page_flip_data_ref (MetaKmsPageFlipData *page_flip_data)
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void
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meta_kms_page_flip_data_unref (MetaKmsPageFlipData *page_flip_data)
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{
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page_flip_data->ref_count--;
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if (page_flip_data->ref_count == 0)
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if (g_atomic_ref_count_dec (&page_flip_data->ref_count))
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{
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g_list_free_full (page_flip_data->closures,
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(GDestroyNotify) meta_kms_page_flip_closure_free);
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