Lines Matching +full:sync +full:- +full:read

1 // SPDX-License-Identifier: GPL-2.0
3 //! Sleepable read-copy update (SRCU) support.
11     sync::LockClassKey,
20 /// Creates an [`Srcu`] initialiser with the given name and a newly-created lock class.
25         $crate::sync::Srcu::new($crate::optional_name!($($name)?), $crate::static_lock_class!())
30 /// Sleepable read-copy update primitive.
32 /// SRCU readers may sleep while holding the read-side guard.
35 /// If a read-side guard has been leaked, dropping an [`Srcu`] may never return.
51     pub fn new(name: &'static CStr, key: Pin<&'static LockClassKey>) -> impl PinInit<Self, Error> {  in new()
55             inner <- Opaque::try_ffi_init(|ptr: *mut bindings::srcu_struct| {  in new()
64     /// Enters an SRCU read-side critical section.
66     /// Leaking the returned [`Guard`] leaves the SRCU read-side critical
69     pub fn read_lock(&self) -> Guard<'_> {  in read_lock()
81     /// Waits until all pre-existing SRCU readers have completed.
88     /// Waits until all pre-existing SRCU readers have completed, expedited.
90     /// This requests a lower-latency grace period than [`Srcu::synchronize`] typically
91     /// at the cost of higher system-wide overhead. Prefer [`Srcu::synchronize`] by default
141 unsafe impl Sync for Srcu {}
143 /// Guard for an active SRCU read-side critical section on a particular [`Srcu`].
145 /// Leaking this guard with [`core::mem::forget`] leaves the SRCU read-side
159     /// Explicitly releases the SRCU read-side critical section.