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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879// SPDX-License-Identifier: GPL-2.0
// Copyright (C) 2025 Google LLC.
use kernel::{list::ListArc, prelude::*, seq_file::SeqFile, seq_print, sync::UniqueArc};
use crate::{node::Node, thread::Thread, BinderReturnWriter, DArc, DLArc, DTRWrap, DeliverToRead};
use core::mem::MaybeUninit;
pub(crate) struct CritIncrWrapper { inner: UniqueArc<MaybeUninit<DTRWrap<NodeWrapper>>>,}
impl CritIncrWrapper { pub(crate) fn new() -> Result<Self> { Ok(CritIncrWrapper { inner: UniqueArc::new_uninit(GFP_KERNEL)?, }) }
pub(super) fn init(self, node: DArc<Node>) -> DLArc<dyn DeliverToRead> { match self.inner.pin_init_with(DTRWrap::new(NodeWrapper { node })) { Ok(initialized) => ListArc::from(initialized) as _, Err(err) => match err {}, } }}
struct NodeWrapper { node: DArc<Node>,}
kernel::list::impl_list_arc_safe! { impl ListArcSafe<0> for NodeWrapper { untracked; }}
impl DeliverToRead for NodeWrapper { fn do_work( self: DArc<Self>, _thread: &Thread, writer: &mut BinderReturnWriter<'_>, ) -> Result<bool> { let node = &self.node; let mut owner_inner = node.owner.inner.lock(); let inner = node.inner.access_mut(&mut owner_inner);
let ds = &mut inner.delivery_state;
assert!(ds.has_pushed_wrapper); assert!(ds.has_strong_zero2one); ds.has_pushed_wrapper = false; ds.has_strong_zero2one = false;
node.do_work_locked(writer, owner_inner) }
fn cancel(self: DArc<Self>) {}
fn should_sync_wakeup(&self) -> bool { false }
#[inline(never)] fn debug_print(&self, m: &SeqFile, prefix: &str, _tprefix: &str) -> Result<()> { seq_print!( m, "{}node work {}: u{:016x} c{:016x}\n", prefix, self.node.debug_id, self.node.ptr, self.node.cookie, ); Ok(()) }}