X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Fsync%2Ffairrwlock.rs;h=23b8c23db282b20ad5c90d3fc937e367e6b6dac6;hb=5fbc44ee58bbaf2a74174b477916abc22b40f765;hp=a9519ac240cde1e24fb3dd09e37e36eddc552216;hpb=6090d9e6a862a2010eb80be56b7449947bc08374;p=rust-lightning

diff --git a/lightning/src/sync/fairrwlock.rs b/lightning/src/sync/fairrwlock.rs
index a9519ac2..23b8c23d 100644
--- a/lightning/src/sync/fairrwlock.rs
+++ b/lightning/src/sync/fairrwlock.rs
@@ -45,15 +45,21 @@ impl<T> FairRwLock<T> {
 		self.lock.read()
 	}
 
+	#[allow(dead_code)]
 	pub fn try_write(&self) -> TryLockResult<RwLockWriteGuard<'_, T>> {
 		self.lock.try_write()
 	}
 }
 
-impl<T> LockTestExt for FairRwLock<T> {
+impl<'a, T: 'a> LockTestExt<'a> for FairRwLock<T> {
 	#[inline]
 	fn held_by_thread(&self) -> LockHeldState {
 		// fairrwlock is only built in non-test modes, so we should never support tests.
 		LockHeldState::Unsupported
 	}
+	type ExclLock = RwLockWriteGuard<'a, T>;
+	#[inline]
+	fn unsafe_well_ordered_double_lock_self(&'a self) -> RwLockWriteGuard<'a, T> {
+		self.write().unwrap()
+	}
 }