1use crate::types::Opaque;
9
10mod arc;
11mod condvar;
12pub mod lock;
13mod locked_by;
14pub mod poll;
15pub mod rcu;
16
17pub use arc::{Arc, ArcBorrow, UniqueArc};
18pub use condvar::{new_condvar, CondVar, CondVarTimeoutResult};
19pub use lock::global::{global_lock, GlobalGuard, GlobalLock, GlobalLockBackend, GlobalLockedBy};
20pub use lock::mutex::{new_mutex, Mutex, MutexGuard};
21pub use lock::spinlock::{new_spinlock, SpinLock, SpinLockGuard};
22pub use locked_by::LockedBy;
23
24#[repr(transparent)]
26pub struct LockClassKey(Opaque<bindings::lock_class_key>);
27
28unsafe impl Sync for LockClassKey {}
31
32impl LockClassKey {
33    pub(crate) fn as_ptr(&self) -> *mut bindings::lock_class_key {
34        self.0.get()
35    }
36}
37
38#[doc(hidden)]
40#[macro_export]
41macro_rules! static_lock_class {
42    () => {{
43        static CLASS: $crate::sync::LockClassKey =
44            unsafe { ::core::mem::MaybeUninit::uninit().assume_init() };
47        &CLASS
48    }};
49}
50
51#[doc(hidden)]
54#[macro_export]
55macro_rules! optional_name {
56    () => {
57        $crate::c_str!(::core::concat!(::core::file!(), ":", ::core::line!()))
58    };
59    ($name:literal) => {
60        $crate::c_str!($name)
61    };
62}