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kms/page-flip: Make tha data struct use gatomicref instead of int

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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>
This commit is contained in:
Jonas Ådahl 2020-12-15 22:56:27 +01:00 committed by Marge Bot
parent d2ccc824ce
commit 6d6fd9c43d
1 changed files with 4 additions and 6 deletions
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10
src/backends/native/meta-kms-page-flip.c
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@ -33,7 +33,7 @@ typedef struct _MetaKmsPageFlipClosure
struct _MetaKmsPageFlipData struct _MetaKmsPageFlipData
{ {
int ref_count; gatomicrefcount ref_count;
MetaKmsImplDevice *impl_device; MetaKmsImplDevice *impl_device;
MetaKmsCrtc *crtc; MetaKmsCrtc *crtc;
@ -78,10 +78,10 @@ meta_kms_page_flip_data_new (MetaKmsImplDevice *impl_device,
page_flip_data = g_new0 (MetaKmsPageFlipData , 1); page_flip_data = g_new0 (MetaKmsPageFlipData , 1);
*page_flip_data = (MetaKmsPageFlipData) { *page_flip_data = (MetaKmsPageFlipData) {
.ref_count = 1,
.impl_device = impl_device, .impl_device = impl_device,
.crtc = crtc, .crtc = crtc,
}; };
g_atomic_ref_count_init (&page_flip_data->ref_count);
return page_flip_data; return page_flip_data;
} }
@ -89,7 +89,7 @@ meta_kms_page_flip_data_new (MetaKmsImplDevice *impl_device,
MetaKmsPageFlipData * MetaKmsPageFlipData *
meta_kms_page_flip_data_ref (MetaKmsPageFlipData *page_flip_data) meta_kms_page_flip_data_ref (MetaKmsPageFlipData *page_flip_data)
{ {
page_flip_data->ref_count++; g_atomic_ref_count_inc (&page_flip_data->ref_count);
return page_flip_data; return page_flip_data;
} }
@ -97,9 +97,7 @@ meta_kms_page_flip_data_ref (MetaKmsPageFlipData *page_flip_data)
void void
meta_kms_page_flip_data_unref (MetaKmsPageFlipData *page_flip_data) meta_kms_page_flip_data_unref (MetaKmsPageFlipData *page_flip_data)
{ {
page_flip_data->ref_count--; if (g_atomic_ref_count_dec (&page_flip_data->ref_count))
if (page_flip_data->ref_count == 0)
{ {
g_list_free_full (page_flip_data->closures, g_list_free_full (page_flip_data->closures,
(GDestroyNotify) meta_kms_page_flip_closure_free); (GDestroyNotify) meta_kms_page_flip_closure_free);