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