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Make DomRefCell not mutate the borrow flag non-atomically
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2 changed files with 6 additions and 5 deletions
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@ -45,11 +45,12 @@ impl<T> DomRefCell<T> {
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&mut *self.value.as_ptr()
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}
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/// Version of the above that we use during restyle while the script thread
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/// is blocked.
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pub fn borrow_mut_for_layout(&self) -> RefMut<T> {
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/// Mutably borrow a cell for layout. Ideally this would use
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/// `RefCell::try_borrow_mut_unguarded` but that doesn't exist yet.
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#[allow(unsafe_code)]
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pub unsafe fn borrow_mut_for_layout(&self) -> &mut T {
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debug_assert!(thread_state::get().is_layout());
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self.value.borrow_mut()
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&mut *self.value.as_ptr()
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}
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}
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