1 files changed, 39 insertions, 0 deletions
diff --git a/src/mutex/guard.rs b/src/mutex/guard.rs
new file mode 100644
index 0000000..b4005e1
--- /dev/null
+++ b/src/mutex/guard.rs
@@ -0,0 +1,39 @@
+use std::marker::PhantomData;
+use std::ops::{Deref, DerefMut};
+
+use lock_api::RawMutex;
+
+use crate::key::Keyable;
+
+use super::{Mutex, MutexGuard, MutexRef};
+
+impl<'a, 'key: 'a, T: ?Sized + 'a, Key: Keyable, R: RawMutex> Deref
+	for MutexGuard<'a, 'key, T, Key, R>
+{
+	type Target = T;
+
+	fn deref(&self) -> &Self::Target {
+		&self.mutex
+	}
+}
+
+impl<'a, 'key: 'a, T: ?Sized + 'a, Key: Keyable, R: RawMutex> DerefMut
+	for MutexGuard<'a, 'key, T, Key, R>
+{
+	fn deref_mut(&mut self) -> &mut Self::Target {
+		&mut self.mutex
+	}
+}
+
+impl<'a, 'key: 'a, T: ?Sized + 'a, Key: Keyable, R: RawMutex> MutexGuard<'a, 'key, T, Key, R> {
+	/// Create a guard to the given mutex. Undefined if multiple guards to the
+	/// same mutex exist at once.
+	#[must_use]
+	pub(super) const unsafe fn new(mutex: &'a Mutex<T, R>, thread_key: Key) -> Self {
+		Self {
+			mutex: MutexRef(mutex),
+			thread_key,
+			_phantom: PhantomData,
+		}
+	}
+}