2 files changed, 7 insertions, 0 deletions
diff --git a/library/std/src/sys/windows/condvar.rs b/library/std/src/sys/windows/condvar.rs
index 8f7f6854cc2..44547a5c51a 100644
--- a/library/std/src/sys/windows/condvar.rs
+++ b/library/std/src/sys/windows/condvar.rs
@@ -8,6 +8,8 @@ pub struct Condvar {
     inner: UnsafeCell<c::CONDITION_VARIABLE>,
 }
 
+pub type MovableCondvar = Condvar;
+
 unsafe impl Send for Condvar {}
 unsafe impl Sync for Condvar {}
 
diff --git a/library/std/src/sys/windows/mutex.rs b/library/std/src/sys/windows/mutex.rs
index e2aaca59fe2..fa51b006c34 100644
--- a/library/std/src/sys/windows/mutex.rs
+++ b/library/std/src/sys/windows/mutex.rs
@@ -29,6 +29,11 @@ pub struct Mutex {
     lock: AtomicUsize,
 }
 
+// Windows SRW Locks are movable (while not borrowed).
+// ReentrantMutexes (in Inner) are not, but those are stored indirectly through
+// a Box, so do not move when the Mutex it self is moved.
+pub type MovableMutex = Mutex;
+
 unsafe impl Send for Mutex {}
 unsafe impl Sync for Mutex {}