From fe67aa262f1b04fb6c38683d9221c3a2fafcc35a Mon Sep 17 00:00:00 2001 From: Mica White Date: Sun, 10 Mar 2024 20:21:00 -0400 Subject: Reorganization --- src/mutex/guard.rs | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 src/mutex/guard.rs (limited to 'src/mutex/guard.rs') 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, thread_key: Key) -> Self { + Self { + mutex: MutexRef(mutex), + thread_key, + _phantom: PhantomData, + } + } +} -- cgit v1.2.3