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fix: ouch mutexes are harddddd

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This commit is contained in:
əlemi 2023-11-17 18:38:29 +01:00
parent 175b9c945a
commit 0ba2c5ccef
1 changed files with 13 additions and 16 deletions
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27
src/buffer/controller.rs
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@ -78,24 +78,21 @@ impl Controller<TextChange> for BufferController {
}
fn try_recv(&self) -> crate::Result<Option<TextChange>> {
match self.seen.try_read() {
Err(_) => Err(crate::Error::Deadlocked),
Ok(x) => {
if *self.content.borrow() != *x {
let seen = match self.seen.try_read() {
Err(_) => return Err(crate::Error::Deadlocked),
Ok(x) => x.clone(),
};
let actual = self.content.borrow().clone();
if seen == actual {
return Ok(None);
}
let change = TextChange::from_diff(&seen, &actual);
match self.seen.try_write() {
Err(_) => Err(crate::Error::Deadlocked),
Ok(mut w) => {
let change = TextChange::from_diff(&w, &self.content.borrow());
*w = self.content.borrow().clone();
Err(_) => return Err(crate::Error::Deadlocked),
Ok(mut w) => *w = actual,
};
Ok(Some(change))
}
}
} else {
Ok(None)
}
}
}
}
async fn recv(&self) -> crate::Result<TextChange> {
self.poll().await?;