Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/salsa/src/plumbing.rs')
-rw-r--r--crates/salsa/src/plumbing.rs11
1 files changed, 9 insertions, 2 deletions
diff --git a/crates/salsa/src/plumbing.rs b/crates/salsa/src/plumbing.rs
index 71332e39ca..b8df87fd5e 100644
--- a/crates/salsa/src/plumbing.rs
+++ b/crates/salsa/src/plumbing.rs
@@ -38,8 +38,15 @@ pub trait DatabaseOps {
/// Gives access to the underlying salsa runtime.
fn ops_salsa_runtime(&self) -> &Runtime;
- /// Gives access to the underlying salsa runtime.
- fn ops_salsa_runtime_mut(&mut self) -> &mut Runtime;
+ /// A "synthetic write" causes the system to act *as though* some
+ /// input of durability `durability` has changed. This is mostly
+ /// useful for profiling scenarios.
+ ///
+ /// **WARNING:** Just like an ordinary write, this method triggers
+ /// cancellation. If you invoke it while a snapshot exists, it
+ /// will block until that snapshot is dropped -- if that snapshot
+ /// is owned by the current thread, this could trigger deadlock.
+ fn synthetic_write(&mut self, durability: Durability);
/// Formats a database key index in a human readable fashion.
fn fmt_index(