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task -> thread

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rohan.prinja 2015-11-14 05:07:55 +09:00 • committed by Rohan Prinja
parent f00532bab0
commit 1f02c4ebbb
119 changed files with 1209 additions and 1207 deletions
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16
components/style/traversal.rs
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@ -21,7 +21,7 @@ pub type Generation = u32;
/// matches. Thanks to the bloom filter, we can avoid walking up the tree
/// looking for ancestors that aren't there in the majority of cases.
///
/// As we walk down the DOM tree a task-local bloom filter is built of all the
/// As we walk down the DOM tree a thread-local bloom filter is built of all the
/// CSS `SimpleSelector`s which are part of a `Descendant` compound selector
/// (i.e. paired with a `Descendant` combinator, in the `next` field of a
/// `CompoundSelector`.
@ -35,15 +35,15 @@ pub type Generation = u32;
///
/// Since a work-stealing queue is used for styling, sometimes, the bloom filter
/// will no longer be the for the parent of the node we're currently on. When
/// this happens, the task local bloom filter will be thrown away and rebuilt.
/// this happens, the thread local bloom filter will be thrown away and rebuilt.
thread_local!(
pub static STYLE_BLOOM: RefCell<Option<(Box<BloomFilter>, UnsafeNode, Generation)>> = RefCell::new(None));
/// Returns the task local bloom filter.
/// Returns the thread local bloom filter.
///
/// If one does not exist, a new one will be made for you. If it is out of date,
/// it will be cleared and reused.
fn take_task_local_bloom_filter<'ln, N>(parent_node: Option<N>,
fn take_thread_local_bloom_filter<'ln, N>(parent_node: Option<N>,
root: OpaqueNode,
context: &SharedStyleContext)
-> Box<BloomFilter>
@ -79,12 +79,12 @@ fn take_task_local_bloom_filter<'ln, N>(parent_node: Option<N>,
})
}
pub fn put_task_local_bloom_filter(bf: Box<BloomFilter>,
pub fn put_thread_local_bloom_filter(bf: Box<BloomFilter>,
unsafe_node: &UnsafeNode,
context: &SharedStyleContext) {
STYLE_BLOOM.with(move |style_bloom| {
assert!(style_bloom.borrow().is_none(),
"Putting into a never-taken task-local bloom filter");
"Putting into a never-taken thread-local bloom filter");
*style_bloom.borrow_mut() = Some((bf, *unsafe_node, context.generation));
})
}
@ -176,7 +176,7 @@ pub fn recalc_style_at<'a, 'ln, N: TNode<'ln>, C: StyleContext<'a>> (context: &'
let parent_opt = node.layout_parent_node(root);
// Get the style bloom filter.
let mut bf = take_task_local_bloom_filter(parent_opt, root, context.shared_context());
let mut bf = take_thread_local_bloom_filter(parent_opt, root, context.shared_context());
let nonincremental_layout = opts::get().nonincremental_layout;
if nonincremental_layout || node.is_dirty() {
@ -254,6 +254,6 @@ pub fn recalc_style_at<'a, 'ln, N: TNode<'ln>, C: StyleContext<'a>> (context: &'
node.insert_into_bloom_filter(&mut *bf);
// NB: flow construction updates the bloom filter on the way up.
put_task_local_bloom_filter(bf, &unsafe_layout_node, context.shared_context());
put_thread_local_bloom_filter(bf, &unsafe_layout_node, context.shared_context());
}