tokio/loom/std/
mutex.rs

1use std::sync::{self, MutexGuard, TryLockError};
2
3/// Adapter for `std::Mutex` that removes the poisoning aspects
4/// from its api.
5#[derive(Debug)]
6pub(crate) struct Mutex<T: ?Sized>(sync::Mutex<T>);
7
8#[allow(dead_code)]
9impl<T> Mutex<T> {
10    #[inline]
11    pub(crate) fn new(t: T) -> Mutex<T> {
12        Mutex(sync::Mutex::new(t))
13    }
14
15    #[inline]
16    pub(crate) const fn const_new(t: T) -> Mutex<T> {
17        Mutex(sync::Mutex::new(t))
18    }
19
20    #[inline]
21    pub(crate) fn lock(&self) -> MutexGuard<'_, T> {
22        match self.0.lock() {
23            Ok(guard) => guard,
24            Err(p_err) => p_err.into_inner(),
25        }
26    }
27
28    #[inline]
29    pub(crate) fn try_lock(&self) -> Option<MutexGuard<'_, T>> {
30        match self.0.try_lock() {
31            Ok(guard) => Some(guard),
32            Err(TryLockError::Poisoned(p_err)) => Some(p_err.into_inner()),
33            Err(TryLockError::WouldBlock) => None,
34        }
35    }
36
37    #[inline]
38    pub(crate) fn get_mut(&mut self) -> &mut T {
39        match self.0.get_mut() {
40            Ok(val) => val,
41            Err(p_err) => p_err.into_inner(),
42        }
43    }
44}
tokio/loom/std/mutex.rs

tokio/loom/std/
mutex.rs
