X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Fsync%2Fmod.rs;h=50ef40e295f50d0a0d9095a0f3dfe4c73916a340;hb=9c08fbd435b097c0aeec2843d8b4a6fdec06a8f0;hp=5b0cc9c1886611bd0dc47a8d39188f36363b825a;hpb=9422370dd2b2ec73115b5950fa5e19db51c8ea73;p=rust-lightning

diff --git a/lightning/src/sync/mod.rs b/lightning/src/sync/mod.rs
index 5b0cc9c1..50ef40e2 100644
--- a/lightning/src/sync/mod.rs
+++ b/lightning/src/sync/mod.rs
@@ -1,3 +1,16 @@
+#[allow(dead_code)] // Depending on the compilation flags some variants are never used
+#[derive(Debug, PartialEq, Eq)]
+pub(crate) enum LockHeldState {
+	HeldByThread,
+	NotHeldByThread,
+	#[cfg(any(feature = "_bench_unstable", not(test)))]
+	Unsupported,
+}
+
+pub(crate) trait LockTestExt {
+	fn held_by_thread(&self) -> LockHeldState;
+}
+
 #[cfg(all(feature = "std", not(feature = "_bench_unstable"), test))]
 mod debug_sync;
 #[cfg(all(feature = "std", not(feature = "_bench_unstable"), test))]
@@ -11,6 +24,19 @@ pub(crate) mod fairrwlock;
 #[cfg(all(feature = "std", any(feature = "_bench_unstable", not(test))))]
 pub use {std::sync::{Arc, Mutex, Condvar, MutexGuard, RwLock, RwLockReadGuard, RwLockWriteGuard}, fairrwlock::FairRwLock};
 
+#[cfg(all(feature = "std", any(feature = "_bench_unstable", not(test))))]
+mod ext_impl {
+	use super::*;
+	impl<T> LockTestExt for Mutex<T> {
+		#[inline]
+		fn held_by_thread(&self) -> LockHeldState { LockHeldState::Unsupported }
+	}
+	impl<T> LockTestExt for RwLock<T> {
+		#[inline]
+		fn held_by_thread(&self) -> LockHeldState { LockHeldState::Unsupported }
+	}
+}
+
 #[cfg(not(feature = "std"))]
 mod nostd_sync;
 #[cfg(not(feature = "std"))]