/rust/registry/src/index.crates.io-1949cf8c6b5b557f/sharded-slab-0.1.7/src/sync.rs

Source
pub(crate) use self::inner::*;

#[cfg(all(loom, any(test, feature = "loom")))]
mod inner {
    pub(crate) mod atomic {
        pub use loom::sync::atomic::*;
        pub use std::sync::atomic::Ordering;
    }
    pub(crate) use loom::{
        cell::UnsafeCell, hint, lazy_static, sync::Mutex, thread::yield_now, thread_local,
    };

    pub(crate) mod alloc {
        #![allow(dead_code)]
        use loom::alloc;
        use std::fmt;
        /// Track allocations, detecting leaks
        ///
        /// This is a version of `loom::alloc::Track` that adds a missing
        /// `Default` impl.
        pub struct Track<T>(alloc::Track<T>);

        impl<T> Track<T> {
            /// Track a value for leaks
            #[inline(always)]
            pub fn new(value: T) -> Track<T> {
                Track(alloc::Track::new(value))
            }

            /// Get a reference to the value
            #[inline(always)]
            pub fn get_ref(&self) -> &T {
                self.0.get_ref()
            }

            /// Get a mutable reference to the value
            #[inline(always)]
            pub fn get_mut(&mut self) -> &mut T {
                self.0.get_mut()
            }

            /// Stop tracking the value for leaks
            #[inline(always)]
            pub fn into_inner(self) -> T {
                self.0.into_inner()
            }
        }

        impl<T: fmt::Debug> fmt::Debug for Track<T> {
            fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
                self.0.fmt(f)
            }
        }

        impl<T: Default> Default for Track<T> {
            fn default() -> Self {
                Self::new(T::default())
            }
        }
    }
}

#[cfg(not(all(loom, any(feature = "loom", test))))]
mod inner {
    #![allow(dead_code)]
    pub(crate) use lazy_static::lazy_static;
    pub(crate) use std::{
        sync::{atomic, Mutex},
        thread::yield_now,
        thread_local,
    };

    pub(crate) mod hint {
        #[inline(always)]
        pub(crate) fn spin_loop() {
            // MSRV: std::hint::spin_loop() stabilized in 1.49.0
            #[allow(deprecated)]
            super::atomic::spin_loop_hint()
        }
    }

    #[derive(Debug)]
    pub(crate) struct UnsafeCell<T>(std::cell::UnsafeCell<T>);

    impl<T> UnsafeCell<T> {
        pub fn new(data: T) -> UnsafeCell<T> {
            UnsafeCell(std::cell::UnsafeCell::new(data))
        }

        #[inline(always)]
        pub fn with<F, R>(&self, f: F) -> R
        where
            F: FnOnce(*const T) -> R,
        {
            f(self.0.get())
        }

        #[inline(always)]
        pub fn with_mut<F, R>(&self, f: F) -> R
        where
            F: FnOnce(*mut T) -> R,
        {
            f(self.0.get())
        }
    }

    pub(crate) mod alloc {
        /// Track allocations, detecting leaks
        #[derive(Debug, Default)]
        pub struct Track<T> {
            value: T,
        }

        impl<T> Track<T> {
            /// Track a value for leaks
            #[inline(always)]
            pub fn new(value: T) -> Track<T> {
                Track { value }
            }

            /// Get a reference to the value
            #[inline(always)]
            pub fn get_ref(&self) -> &T {
                &self.value
            }

            /// Get a mutable reference to the value
            #[inline(always)]
            pub fn get_mut(&mut self) -> &mut T {
                &mut self.value
            }

            /// Stop tracking the value for leaks
            #[inline(always)]
            pub fn into_inner(self) -> T {
                self.value
            }
        }
    }
}

Line	Count	Source
1		pub(crate) use self::inner::*;
2
3		#[cfg(all(loom, any(test, feature = "loom")))]
4		mod inner {
5		pub(crate) mod atomic {
6		pub use loom::sync::atomic::*;
7		pub use std::sync::atomic::Ordering;
8		}
9		pub(crate) use loom::{
10		cell::UnsafeCell, hint, lazy_static, sync::Mutex, thread::yield_now, thread_local,
11		};
12
13		pub(crate) mod alloc {
14		#![allow(dead_code)]
15		use loom::alloc;
16		use std::fmt;
17		/// Track allocations, detecting leaks
18		///
19		/// This is a version of `loom::alloc::Track` that adds a missing
20		/// `Default` impl.
21		pub struct Track<T>(alloc::Track<T>);
22
23		impl<T> Track<T> {
24		/// Track a value for leaks
25		#[inline(always)]
26		pub fn new(value: T) -> Track<T> {
27		Track(alloc::Track::new(value))
28		}
29
30		/// Get a reference to the value
31		#[inline(always)]
32		pub fn get_ref(&self) -> &T {
33		self.0.get_ref()
34		}
35
36		/// Get a mutable reference to the value
37		#[inline(always)]
38		pub fn get_mut(&mut self) -> &mut T {
39		self.0.get_mut()
40		}
41
42		/// Stop tracking the value for leaks
43		#[inline(always)]
44		pub fn into_inner(self) -> T {
45		self.0.into_inner()
46		}
47		}
48
49		impl<T: fmt::Debug> fmt::Debug for Track<T> {
50		fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
51		self.0.fmt(f)
52		}
53		}
54
55		impl<T: Default> Default for Track<T> {
56		fn default() -> Self {
57		Self::new(T::default())
58		}
59		}
60		}
61		}
62
63		#[cfg(not(all(loom, any(feature = "loom", test))))]
64		mod inner {
65		#![allow(dead_code)]
66		pub(crate) use lazy_static::lazy_static;
67		pub(crate) use std::{
68		sync::{atomic, Mutex},
69		thread::yield_now,
70		thread_local,
71		};
72
73		pub(crate) mod hint {
74		#[inline(always)]
75	0	pub(crate) fn spin_loop() {
76		// MSRV: std::hint::spin_loop() stabilized in 1.49.0
77		#[allow(deprecated)]
78	0	super::atomic::spin_loop_hint()
79	0	}
80		}
81
82		#[derive(Debug)]
83		pub(crate) struct UnsafeCell<T>(std::cell::UnsafeCell<T>);
84
85		impl<T> UnsafeCell<T> {
86	0	pub fn new(data: T) -> UnsafeCell<T> {
87	0	UnsafeCell(std::cell::UnsafeCell::new(data))
88	0	} Unexecuted instantiation: <sharded_slab::sync::inner::UnsafeCell<core::option::Option<alloc::boxed::Box<[sharded_slab::page::slot::Slot<tracing_subscriber::registry::sharded::DataInner, sharded_slab::cfg::DefaultConfig>]>>>>::new Unexecuted instantiation: <sharded_slab::sync::inner::UnsafeCell<tracing_subscriber::registry::sharded::DataInner>>::new Unexecuted instantiation: <sharded_slab::sync::inner::UnsafeCell<usize>>::new
89
90		#[inline(always)]
91	0	pub fn with<F, R>(&self, f: F) -> R
92	0	where
93	0	F: FnOnce(*const T) -> R,
94		{
95	0	f(self.0.get())
96	0	} Unexecuted instantiation: <sharded_slab::sync::inner::UnsafeCell<core::option::Option<alloc::boxed::Box<[sharded_slab::page::slot::Slot<tracing_subscriber::registry::sharded::DataInner, sharded_slab::cfg::DefaultConfig>]>>>>::with::<<sharded_slab::page::Shared<tracing_subscriber::registry::sharded::DataInner, sharded_slab::cfg::DefaultConfig>>::with_slot<sharded_slab::page::slot::Guard<tracing_subscriber::registry::sharded::DataInner>, <sharded_slab::pool::Pool<tracing_subscriber::registry::sharded::DataInner>>::get::{closure#0}>::{closure#0}, core::option::Option<sharded_slab::page::slot::Guard<tracing_subscriber::registry::sharded::DataInner>>> Unexecuted instantiation: <sharded_slab::sync::inner::UnsafeCell<core::option::Option<alloc::boxed::Box<[sharded_slab::page::slot::Slot<tracing_subscriber::registry::sharded::DataInner, sharded_slab::cfg::DefaultConfig>]>>>>::with::<<sharded_slab::page::Shared<tracing_subscriber::registry::sharded::DataInner, sharded_slab::cfg::DefaultConfig>>::mark_clear<sharded_slab::page::Local>::{closure#0}, bool> Unexecuted instantiation: <sharded_slab::sync::inner::UnsafeCell<core::option::Option<alloc::boxed::Box<[sharded_slab::page::slot::Slot<tracing_subscriber::registry::sharded::DataInner, sharded_slab::cfg::DefaultConfig>]>>>>::with::<<sharded_slab::page::Shared<tracing_subscriber::registry::sharded::DataInner, sharded_slab::cfg::DefaultConfig>>::mark_clear<sharded_slab::page::stack::TransferStack>::{closure#0}, bool> Unexecuted instantiation: <sharded_slab::sync::inner::UnsafeCell<core::option::Option<alloc::boxed::Box<[sharded_slab::page::slot::Slot<tracing_subscriber::registry::sharded::DataInner, sharded_slab::cfg::DefaultConfig>]>>>>::with::<<sharded_slab::page::Shared<tracing_subscriber::registry::sharded::DataInner, sharded_slab::cfg::DefaultConfig>>::clear<sharded_slab::page::Local>::{closure#0}, bool> Unexecuted instantiation: <sharded_slab::sync::inner::UnsafeCell<core::option::Option<alloc::boxed::Box<[sharded_slab::page::slot::Slot<tracing_subscriber::registry::sharded::DataInner, sharded_slab::cfg::DefaultConfig>]>>>>::with::<<sharded_slab::page::Shared<tracing_subscriber::registry::sharded::DataInner, sharded_slab::cfg::DefaultConfig>>::clear<sharded_slab::page::stack::TransferStack>::{closure#0}, bool> Unexecuted instantiation: <sharded_slab::sync::inner::UnsafeCell<core::option::Option<alloc::boxed::Box<[sharded_slab::page::slot::Slot<tracing_subscriber::registry::sharded::DataInner, sharded_slab::cfg::DefaultConfig>]>>>>::with::<<sharded_slab::page::Shared<tracing_subscriber::registry::sharded::DataInner, sharded_slab::cfg::DefaultConfig>>::init_with<(usize, sharded_slab::page::slot::InitGuard<tracing_subscriber::registry::sharded::DataInner>), &mut <sharded_slab::pool::Pool<tracing_subscriber::registry::sharded::DataInner>>::create::{closure#0}>::{closure#0}, core::option::Option<(usize, sharded_slab::page::slot::InitGuard<tracing_subscriber::registry::sharded::DataInner>)>> Unexecuted instantiation: <sharded_slab::sync::inner::UnsafeCell<core::option::Option<alloc::boxed::Box<[sharded_slab::page::slot::Slot<tracing_subscriber::registry::sharded::DataInner, sharded_slab::cfg::DefaultConfig>]>>>>::with::<<sharded_slab::page::Shared<tracing_subscriber::registry::sharded::DataInner, sharded_slab::cfg::DefaultConfig>>::is_unallocated::{closure#0}, bool> Unexecuted instantiation: <sharded_slab::sync::inner::UnsafeCell<usize>>::with::<<sharded_slab::page::Local>::head::{closure#0}, usize> Unexecuted instantiation: <sharded_slab::sync::inner::UnsafeCell<usize>>::with::<<sharded_slab::page::slot::Slot<tracing_subscriber::registry::sharded::DataInner, sharded_slab::cfg::DefaultConfig>>::next::{closure#0}, usize> Unexecuted instantiation: <sharded_slab::sync::inner::UnsafeCell<tracing_subscriber::registry::sharded::DataInner>>::with::<<sharded_slab::page::slot::Guard<tracing_subscriber::registry::sharded::DataInner>>::value::{closure#0}, &tracing_subscriber::registry::sharded::DataInner> Unexecuted instantiation: <sharded_slab::sync::inner::UnsafeCell<usize>>::with::<<sharded_slab::page::Local as core::fmt::Debug>::fmt::{closure#0}, core::result::Result<(), core::fmt::Error>>
97
98		#[inline(always)]
99	0	pub fn with_mut<F, R>(&self, f: F) -> R
100	0	where
101	0	F: FnOnce(*mut T) -> R,
102		{
103	0	f(self.0.get())
104	0	} Unexecuted instantiation: <sharded_slab::sync::inner::UnsafeCell<core::option::Option<alloc::boxed::Box<[sharded_slab::page::slot::Slot<tracing_subscriber::registry::sharded::DataInner, sharded_slab::cfg::DefaultConfig>]>>>>::with_mut::<<sharded_slab::page::Shared<tracing_subscriber::registry::sharded::DataInner, sharded_slab::cfg::DefaultConfig>>::allocate::{closure#0}, ()> Unexecuted instantiation: <sharded_slab::sync::inner::UnsafeCell<usize>>::with_mut::<<sharded_slab::page::Local>::set_head::{closure#0}, ()> Unexecuted instantiation: <sharded_slab::sync::inner::UnsafeCell<usize>>::with_mut::<<sharded_slab::page::slot::Slot<tracing_subscriber::registry::sharded::DataInner, sharded_slab::cfg::DefaultConfig>>::set_next::{closure#0}, ()> Unexecuted instantiation: <sharded_slab::sync::inner::UnsafeCell<tracing_subscriber::registry::sharded::DataInner>>::with_mut::<<sharded_slab::page::slot::Slot<tracing_subscriber::registry::sharded::DataInner, sharded_slab::cfg::DefaultConfig>>::release_with<sharded_slab::page::Local, <sharded_slab::page::slot::Slot<tracing_subscriber::registry::sharded::DataInner, sharded_slab::cfg::DefaultConfig>>::clear_storage<sharded_slab::page::Local>::{closure#0}, bool>::{closure#0}, bool> Unexecuted instantiation: <sharded_slab::sync::inner::UnsafeCell<tracing_subscriber::registry::sharded::DataInner>>::with_mut::<<sharded_slab::page::slot::Slot<tracing_subscriber::registry::sharded::DataInner, sharded_slab::cfg::DefaultConfig>>::release_with<sharded_slab::page::stack::TransferStack, <sharded_slab::page::slot::Slot<tracing_subscriber::registry::sharded::DataInner, sharded_slab::cfg::DefaultConfig>>::clear_storage<sharded_slab::page::stack::TransferStack>::{closure#0}, bool>::{closure#0}, bool> Unexecuted instantiation: <sharded_slab::sync::inner::UnsafeCell<tracing_subscriber::registry::sharded::DataInner>>::with_mut::<<sharded_slab::page::slot::InitGuard<tracing_subscriber::registry::sharded::DataInner>>::value_mut::{closure#0}, &mut tracing_subscriber::registry::sharded::DataInner> Unexecuted instantiation: <sharded_slab::sync::inner::UnsafeCell<_>>::with_mut::<_, _>
105		}
106
107		pub(crate) mod alloc {
108		/// Track allocations, detecting leaks
109		#[derive(Debug, Default)]
110		pub struct Track<T> {
111		value: T,
112		}
113
114		impl<T> Track<T> {
115		/// Track a value for leaks
116		#[inline(always)]
117	0	pub fn new(value: T) -> Track<T> {
118	0	Track { value }
119	0	} Unexecuted instantiation: <sharded_slab::sync::inner::alloc::Track<sharded_slab::shard::Shard<tracing_subscriber::registry::sharded::DataInner, sharded_slab::cfg::DefaultConfig>>>::new Unexecuted instantiation: <sharded_slab::sync::inner::alloc::Track<_>>::new
120
121		/// Get a reference to the value
122		#[inline(always)]
123	0	pub fn get_ref(&self) -> &T {
124	0	&self.value
125	0	} Unexecuted instantiation: <sharded_slab::sync::inner::alloc::Track<sharded_slab::shard::Shard<tracing_subscriber::registry::sharded::DataInner, sharded_slab::cfg::DefaultConfig>>>::get_ref Unexecuted instantiation: <sharded_slab::sync::inner::alloc::Track<_>>::get_ref
126
127		/// Get a mutable reference to the value
128		#[inline(always)]
129	0	pub fn get_mut(&mut self) -> &mut T {
130	0	&mut self.value
131	0	}
132
133		/// Stop tracking the value for leaks
134		#[inline(always)]
135	0	pub fn into_inner(self) -> T {
136	0	self.value
137	0	}
138		}
139		}
140		}

Coverage Report

Created: 2026-07-16 07:06