1 // SPDX-License-Identifier: GPL-2.0
11 use crate::sync::Arc;
14 /// A handle for an `Arc<HasHrTimer<T>>` returned by a call to
20     pub(crate) inner: Arc<T>,
23 // SAFETY: We implement drop below, and we cancel the timer in the drop
29     fn cancel(&mut self) -> bool {  in cancel()
30         let self_ptr = Arc::as_ptr(&self.inner);  in cancel()
51 impl<T> HrTimerPointer for Arc<T>  implementation
64     ) -> ArcHrTimerHandle<T> {  in start()
66         //  - We keep `self` alive by wrapping it in a handle below.  in start()
67         //  - Since we generate the pointer passed to `start` from a valid  in start()
69         unsafe { T::start(Arc::as_ptr(&self), expires) };  in start()
74 impl<T> RawHrTimerCallback for Arc<T>  implementation
82     unsafe extern "C" fn run(ptr: *mut bindings::hrtimer) -> bindings::hrtimer_restart {  in run()
87         // queuing the timer, so it is a `HrTimer<T>` embedded in a `T`.  in run()
91         //  - `data_ptr` is derived form the pointer to the `T` that was used to  in run()
92         //    queue the timer.  in run()
93         //  - As per the safety requirements of the trait `HrTimerHandle`, the  in run()
94         //    `ArcHrTimerHandle` associated with this timer is guaranteed to  in run()
98         //  - We own one refcount in the `ArcTimerHandle` associated with this  in run()
99         //    timer, so it is not possible to get a `UniqueArc` to this  in run()
100         //    allocation from other `Arc` clones.  in run()
104         // - By C API contract `timer_ptr` is the pointer that we passed when queuing the timer, so  in run()
106         // - We are within `RawHrTimerCallback::run`  in run()