mirror of
https://github.com/denoland/deno
synced 2024-08-25 02:57:22 +00:00
86 lines
2.2 KiB
Rust
86 lines
2.2 KiB
Rust
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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pub use inner::*;
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#[cfg(feature = "sync_fs")]
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mod inner {
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#![allow(clippy::disallowed_types)]
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use std::ops::Deref;
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use std::ops::DerefMut;
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pub use std::sync::Arc as MaybeArc;
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pub use core::marker::Send as MaybeSend;
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pub use core::marker::Sync as MaybeSync;
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pub struct MaybeArcMutexGuard<'lock, T>(std::sync::MutexGuard<'lock, T>);
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impl<'lock, T> Deref for MaybeArcMutexGuard<'lock, T> {
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type Target = std::sync::MutexGuard<'lock, T>;
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fn deref(&self) -> &std::sync::MutexGuard<'lock, T> {
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&self.0
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}
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}
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impl<'lock, T> DerefMut for MaybeArcMutexGuard<'lock, T> {
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fn deref_mut(&mut self) -> &mut std::sync::MutexGuard<'lock, T> {
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&mut self.0
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}
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}
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#[derive(Debug)]
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pub struct MaybeArcMutex<T>(std::sync::Arc<std::sync::Mutex<T>>);
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impl<T> MaybeArcMutex<T> {
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pub fn new(val: T) -> Self {
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Self(std::sync::Arc::new(std::sync::Mutex::new(val)))
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}
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}
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impl<'lock, T> MaybeArcMutex<T> {
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pub fn lock(&'lock self) -> MaybeArcMutexGuard<'lock, T> {
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MaybeArcMutexGuard(self.0.lock().unwrap())
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}
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}
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}
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#[cfg(not(feature = "sync_fs"))]
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mod inner {
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use std::ops::Deref;
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use std::ops::DerefMut;
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pub use std::rc::Rc as MaybeArc;
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pub trait MaybeSync {}
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impl<T> MaybeSync for T where T: ?Sized {}
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pub trait MaybeSend {}
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impl<T> MaybeSend for T where T: ?Sized {}
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pub struct MaybeArcMutexGuard<'lock, T>(std::cell::RefMut<'lock, T>);
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impl<'lock, T> Deref for MaybeArcMutexGuard<'lock, T> {
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type Target = std::cell::RefMut<'lock, T>;
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fn deref(&self) -> &std::cell::RefMut<'lock, T> {
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&self.0
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}
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}
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impl<'lock, T> DerefMut for MaybeArcMutexGuard<'lock, T> {
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fn deref_mut(&mut self) -> &mut std::cell::RefMut<'lock, T> {
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&mut self.0
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}
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}
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#[derive(Debug)]
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pub struct MaybeArcMutex<T>(std::rc::Rc<std::cell::RefCell<T>>);
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impl<T> MaybeArcMutex<T> {
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pub fn new(val: T) -> Self {
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Self(std::rc::Rc::new(std::cell::RefCell::new(val)))
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}
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}
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impl<'lock, T> MaybeArcMutex<T> {
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pub fn lock(&'lock self) -> MaybeArcMutexGuard<'lock, T> {
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MaybeArcMutexGuard(self.0.borrow_mut())
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}
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}
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}
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