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Auto merge of #9493 - Ms2ger:paint-thread-messages, r=jdm

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Use the select macro on the paint thread.

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This commit is contained in:
bors-servo 2016-02-03 10:16:46 +05:30
commit 2d4a5eb983
1 changed files with 8 additions and 15 deletions
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23
components/gfx/paint_thread.rs
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@ -30,7 +30,7 @@ use std::borrow::ToOwned;
use std::collections::HashMap;
use std::mem as std_mem;
use std::sync::Arc;
use std::sync::mpsc::{Receiver, Select, Sender, channel};
use std::sync::mpsc::{Receiver, Sender, channel};
use url::Url;
use util::geometry::{ExpandToPixelBoundaries};
use util::opts;
@ -301,20 +301,13 @@ impl<C> PaintThread<C> where C: PaintListener + Send + 'static {
loop {
let message = {
let select = Select::new();
let mut layout_to_paint_handle = select.handle(&self.layout_to_paint_port);
let mut chrome_to_paint_handle = select.handle(&self.chrome_to_paint_port);
unsafe {
layout_to_paint_handle.add();
chrome_to_paint_handle.add();
}
let result = select.wait();
if result == layout_to_paint_handle.id() {
Msg::FromLayout(self.layout_to_paint_port.recv().unwrap())
} else if result == chrome_to_paint_handle.id() {
Msg::FromChrome(self.chrome_to_paint_port.recv().unwrap())
} else {
panic!("unexpected select result")
let layout_to_paint = &self.layout_to_paint_port;
let chrome_to_paint = &self.chrome_to_paint_port;
select! {
msg = layout_to_paint.recv() =>
Msg::FromLayout(msg.unwrap()),
msg = chrome_to_paint.recv() =>
Msg::FromChrome(msg.unwrap())
}
};