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qd: replace RefCell with async mutex

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Avoid potential run-time borrowing errors across async points.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
This commit is contained in:
Marc-André Lureau committed 2021-10-12 11:39:01 +04:00
1 parent ab44cda4b9
commit 8c5fa2a4f9
3 files changed
+23 -15
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qemu-rdw/src/usbredir.rs
+9 -6
View File
@@ -20,12 +20,15 @@ impl Handler {
widget
.model()
.connect_items_changed(clone!(@weak widget => move |model, pos, _rm, add| {
for pos in pos..pos + add {
let item = model.item(pos).unwrap();
if let Some(dev) = item.downcast_ref::<rdw::UsbDevice>().unwrap().device() {
item.set_property("active", usbredir.is_device_connected(&dev)).unwrap();
let usbredir = usbredir.clone();
MainContext::default().spawn_local(clone!(@weak model => async move {
for pos in pos..pos + add {
let item = model.item(pos).unwrap();
if let Some(dev) = item.downcast_ref::<rdw::UsbDevice>().unwrap().device() {
item.set_property("active", usbredir.is_device_connected(&dev).await).unwrap();
}
}
}
}));
}));
let usbredir = self.usbredir.clone();
@@ -55,7 +58,7 @@ impl Handler {
widget
.set_property("free-channels", usbredir.n_free_channels().await)
.unwrap();
let mut n = usbredir.receive_n_free_channels();
let mut n = usbredir.receive_n_free_channels().await;
while let Some(n) = n.next().await {
widget.set_property("free-channels", n).unwrap();
}