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-rw-r--r--src/mutex/guard.rs28
1 files changed, 28 insertions, 0 deletions
diff --git a/src/mutex/guard.rs b/src/mutex/guard.rs
index b4005e1..5d249ee 100644
--- a/src/mutex/guard.rs
+++ b/src/mutex/guard.rs
@@ -7,6 +7,34 @@ use crate::key::Keyable;
use super::{Mutex, MutexGuard, MutexRef};
+impl<'a, T: ?Sized + 'a, R: RawMutex> Drop for MutexRef<'a, T, R> {
+ fn drop(&mut self) {
+ // safety: this guard is being destroyed, so the data cannot be
+ // accessed without locking again
+ unsafe { self.0.force_unlock() }
+ }
+}
+
+impl<'a, T: ?Sized + 'a, R: RawMutex> Deref for MutexRef<'a, T, R> {
+ type Target = T;
+
+ fn deref(&self) -> &Self::Target {
+ // safety: this is the only type that can use `value`, and there's
+ // a reference to this type, so there cannot be any mutable
+ // references to this value.
+ unsafe { &*self.0.value.get() }
+ }
+}
+
+impl<'a, T: ?Sized + 'a, R: RawMutex> DerefMut for MutexRef<'a, T, R> {
+ fn deref_mut(&mut self) -> &mut Self::Target {
+ // safety: this is the only type that can use `value`, and we have a
+ // mutable reference to this type, so there cannot be any other
+ // references to this value.
+ unsafe { &mut *self.0.value.get() }
+ }
+}
+
impl<'a, 'key: 'a, T: ?Sized + 'a, Key: Keyable, R: RawMutex> Deref
for MutexGuard<'a, 'key, T, Key, R>
{