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script: Add some workarounds for image cache task races

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Patrick Walton 2014-11-25 22:58:43 -08:00
parent d101c1dd91
commit a200b139b6
5 changed files with 51 additions and 37 deletions
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20
components/net/image/holder.rs
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@ -7,7 +7,6 @@ use image_cache_task::{ImageReady, ImageNotReady, ImageFailed};
use local_image_cache::LocalImageCache;
use geom::size::Size2D;
use std::mem;
use sync::{Arc, Mutex};
use url::Url;
@ -87,24 +86,13 @@ impl<NodeAddress: Send> ImageHolder<NodeAddress> {
local_image_cache.get_image(node_address, &self.url)
};
match port.recv() {
ImageReady(image) => {
self.image = Some(image);
}
ImageNotReady => {
debug!("image not ready for {:s}", self.url.serialize());
}
ImageFailed => {
debug!("image decoding failed for {:s}", self.url.serialize());
}
ImageReady(image) => self.image = Some(image),
ImageNotReady => debug!("image not ready for {:s}", self.url.serialize()),
ImageFailed => debug!("image decoding failed for {:s}", self.url.serialize()),
}
}
// Clone isn't pure so we have to swap out the mutable image option
let image = mem::replace(&mut self.image, None);
let result = image.clone();
mem::replace(&mut self.image, image);
return result;
return self.image.clone();
}
pub fn url(&self) -> &Url {