66 lines
1.6 KiB
Rust
66 lines
1.6 KiB
Rust
// Copyright 2016 Amanieu d'Antras
|
|
//
|
|
// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
|
|
// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
|
|
// http://opensource.org/licenses/MIT>, at your option. This file may not be
|
|
// copied, modified, or distributed except according to those terms.
|
|
|
|
use crate::raw_mutex::RawMutex;
|
|
use lock_api::RawMutexFair;
|
|
|
|
/// Raw fair mutex type backed by the parking lot.
|
|
pub struct RawFairMutex(RawMutex);
|
|
|
|
unsafe impl lock_api::RawMutex for RawFairMutex {
|
|
const INIT: Self = RawFairMutex(<RawMutex as lock_api::RawMutex>::INIT);
|
|
|
|
type GuardMarker = <RawMutex as lock_api::RawMutex>::GuardMarker;
|
|
|
|
#[inline]
|
|
fn lock(&self) {
|
|
self.0.lock()
|
|
}
|
|
|
|
#[inline]
|
|
fn try_lock(&self) -> bool {
|
|
self.0.try_lock()
|
|
}
|
|
|
|
#[inline]
|
|
unsafe fn unlock(&self) {
|
|
self.unlock_fair()
|
|
}
|
|
|
|
#[inline]
|
|
fn is_locked(&self) -> bool {
|
|
self.0.is_locked()
|
|
}
|
|
}
|
|
|
|
unsafe impl lock_api::RawMutexFair for RawFairMutex {
|
|
#[inline]
|
|
unsafe fn unlock_fair(&self) {
|
|
self.0.unlock_fair()
|
|
}
|
|
|
|
#[inline]
|
|
unsafe fn bump(&self) {
|
|
self.0.bump()
|
|
}
|
|
}
|
|
|
|
unsafe impl lock_api::RawMutexTimed for RawFairMutex {
|
|
type Duration = <RawMutex as lock_api::RawMutexTimed>::Duration;
|
|
type Instant = <RawMutex as lock_api::RawMutexTimed>::Instant;
|
|
|
|
#[inline]
|
|
fn try_lock_until(&self, timeout: Self::Instant) -> bool {
|
|
self.0.try_lock_until(timeout)
|
|
}
|
|
|
|
#[inline]
|
|
fn try_lock_for(&self, timeout: Self::Duration) -> bool {
|
|
self.0.try_lock_for(timeout)
|
|
}
|
|
}
|