diff options
Diffstat (limited to 'src/rwlock/rwlock.rs')
| -rw-r--r-- | src/rwlock/rwlock.rs | 32 |
1 files changed, 14 insertions, 18 deletions
diff --git a/src/rwlock/rwlock.rs b/src/rwlock/rwlock.rs index dc5ab30..d16befe 100644 --- a/src/rwlock/rwlock.rs +++ b/src/rwlock/rwlock.rs @@ -24,6 +24,20 @@ impl<T, R: RawRwLock> RwLock<T, R> { raw: R::INIT, } } + + /// Returns the underlying raw reader-writer lock object. + /// + /// Note that you will most likely need to import the [`RawRwLock`] trait + /// from `lock_api` to be able to call functions on the raw reader-writer + /// lock. + /// + /// # Safety + /// + /// This method is unsafe because it allows unlocking a mutex while + /// still holding a reference to a lock guard. + pub const unsafe fn raw(&self) -> &R { + &self.raw + } } impl<T: ?Sized + Default, R: RawRwLock> Default for RwLock<T, R> { @@ -155,15 +169,6 @@ impl<T: ?Sized, R: RawRwLock> RwLock<T, R> { } } - /// Creates a shared lock without a key. Locking this without exclusive - /// access to the key is undefined behavior. - pub(crate) unsafe fn read_no_key(&self) -> RwLockReadRef<'_, T, R> { - self.raw.lock_shared(); - - // safety: the lock is locked first - RwLockReadRef(self, PhantomData) - } - /// Attempts to acquire this `RwLock` with shared read access without /// blocking. /// @@ -246,15 +251,6 @@ impl<T: ?Sized, R: RawRwLock> RwLock<T, R> { } } - /// Creates an exclusive lock without a key. Locking this without exclusive - /// access to the key is undefined behavior. - pub(crate) unsafe fn write_no_key(&self) -> RwLockWriteRef<'_, T, R> { - self.raw.lock_exclusive(); - - // safety: the lock is locked first - RwLockWriteRef(self, PhantomData) - } - /// Attempts to lock this `RwLock` with exclusive write access. /// /// This function does not block. If the lock could not be acquired at this |