nordic-dev.net/rust
nordic-dev.net/rust
2
0
Fork 0
mirror of https://github.com/rust-lang/rust.git synced 2024-11-23 07:14:28 +00:00
Code Issues Packages Projects Releases Wiki Activity

internal: fix deadlock introduced by #16643

Browse Source
This commit is contained in:
David Barsky 2024-02-23 15:34:23 -05:00
parent 12144045fe
commit 64779737db
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
crates/salsa/src/derived.rs
View File

@ -146,11 +146,14 @@ where
revision: Revision,
) -> bool {
debug_assert!(revision < db.salsa_runtime().current_revision());
let read = &self.slot_map.read();
let read = self.slot_map.read();
let Some((key, slot)) = read.get_index(index as usize) else {
return false;
};
slot.maybe_changed_after(db, revision, key)
let (key, slot) = (key.clone(), slot.clone());
// note: this drop is load-bearing. removing it would causes deadlocks.
drop(read);
slot.maybe_changed_after(db, revision, &key)
}
fn fetch(&self, db: &<Q as QueryDb<'_>>::DynDb, key: &Q::Key) -> Q::Value {