Merge branch 'maybe-sync-signal' into breaking

packages/generational-box/Cargo.toml

@@ -10,12 +10,18 @@ keywords = ["generational", "box", "memory", "allocator"]
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+parking_lot = "0.12.1"
 
 [dev-dependencies]
 rand = "0.8.5"
+criterion = "0.3"
 
 [features]
 default = ["check_generation"]
 check_generation = []
 debug_borrows = []
 debug_ownership = []
+
+[[bench]]
+name = "lock"
+harness = false