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wayland: add comment

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Daniel Eklöf 2020-01-04 23:33:50 +01:00
parent d243a836ce
commit 11d381f0c3
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1 changed files with 4 additions and 0 deletions
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wayland.c
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@ -1045,6 +1045,10 @@ wayl_roundtrip(struct wayland *wayl)
wl_display_cancel_read(wayl->display); wl_display_cancel_read(wayl->display);
wl_display_roundtrip(wayl->display); wl_display_roundtrip(wayl->display);
/* I suspect the roundtrip above clears the pending queue, and
* that prepare_read() will always succeed in the first call. But,
* better safe than sorry... */
while (wl_display_prepare_read(wayl->display) != 0) while (wl_display_prepare_read(wayl->display) != 0)
wl_display_dispatch_pending(wayl->display); wl_display_dispatch_pending(wayl->display);
wayl_flush(wayl); wayl_flush(wayl);