1 files changed, 9 insertions, 0 deletions
diff --git a/library/std/src/sys/sync/mod.rs b/library/std/src/sys/sync/mod.rs
new file mode 100644
index 00000000000..623e6bccd51
--- /dev/null
+++ b/library/std/src/sys/sync/mod.rs
@@ -0,0 +1,9 @@
+mod condvar;
+mod mutex;
+mod once;
+mod rwlock;
+
+pub use condvar::Condvar;
+pub use mutex::Mutex;
+pub use once::{Once, OnceState};
+pub use rwlock::RwLock;