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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-19 10:09:22 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-19 10:09:22 -0700 |
| commit | f4cdf7ca9a1fdcca413157df19753f388a5a224e (patch) | |
| tree | 60a31895b2446cd7fa27514e8c2843534a0de0da /rust/proc-macro2/rcvec.rs | |
| download | linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.tar.gz linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.zip | |
Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted
Pull media updates from Mauro Carvalho Chehab:
- v4l2-core: added ISP statistics support and per-block validation
- v4l2-core: Allow unknown HDR10 white point and luminance
- New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor
- New codec: Milos: VPU v2.0 codec support
- isp driver: gained support for Dreamchip RPPX1 ISP framework
- vsp1 driver: gained support for RZ/T2H and RZ/N2H
- Novalake driver: gained CVS support for new NVL hardware
- dvb-core: fix feed leak on failed DMX_ADD_PID
- several driver fixes, cleanups and minor improvements
* tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits)
media: ipu-bridge: check all DMI entries when overriding sensor rotation
media: v4l2-async: avoid deleting unlinked ASC entry on link error
media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement
media: intel/ipu6: fix async notifier cleanup leak on parse error
media: staging/ipu7: fix async notifier UAF on probe error path
media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path
media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem()
media: rcar-isp: Fix VSPX reference leaks
media: rcar-isp: Release ISPCORE resources
media: i2c: imx415: Release runtime PM reference on VBLANK error
media: i2c: imx415: Return test pattern write errors
media: renesas: vsp1: Declare index variables in for loop statement
media: renesas: vsp1: Make reset control optional to support platforms without a reset line
media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs
media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs
media: nxp: imx8-isi: Add additional 32-bit RGB format support
media: nxp: imx8-isi: Add 16-bit raw Bayer format support
media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams
media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks
media: nxp: imx8-isi: Correct color map between V4L2 and ISI
...
Diffstat (limited to 'rust/proc-macro2/rcvec.rs')
| -rw-r--r-- | rust/proc-macro2/rcvec.rs | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/rust/proc-macro2/rcvec.rs b/rust/proc-macro2/rcvec.rs new file mode 100644 index 000000000..e224ebe27 --- /dev/null +++ b/rust/proc-macro2/rcvec.rs @@ -0,0 +1,148 @@ +// SPDX-License-Identifier: Apache-2.0 OR MIT + +use alloc::rc::Rc; +use alloc::vec; +use core::mem; +use core::panic::RefUnwindSafe; +use core::slice; + +pub(crate) struct RcVec<T> { + inner: Rc<Vec<T>>, +} + +pub(crate) struct RcVecBuilder<T> { + inner: Vec<T>, +} + +pub(crate) struct RcVecMut<'a, T> { + inner: &'a mut Vec<T>, +} + +#[derive(Clone)] +pub(crate) struct RcVecIntoIter<T> { + inner: vec::IntoIter<T>, +} + +impl<T> RcVec<T> { + pub(crate) fn is_empty(&self) -> bool { + self.inner.is_empty() + } + + pub(crate) fn len(&self) -> usize { + self.inner.len() + } + + pub(crate) fn iter(&self) -> slice::Iter<T> { + self.inner.iter() + } + + pub(crate) fn make_mut(&mut self) -> RcVecMut<T> + where + T: Clone, + { + RcVecMut { + inner: Rc::make_mut(&mut self.inner), + } + } + + pub(crate) fn get_mut(&mut self) -> Option<RcVecMut<T>> { + let inner = Rc::get_mut(&mut self.inner)?; + Some(RcVecMut { inner }) + } + + pub(crate) fn make_owned(mut self) -> RcVecBuilder<T> + where + T: Clone, + { + let vec = if let Some(owned) = Rc::get_mut(&mut self.inner) { + mem::take(owned) + } else { + Vec::clone(&self.inner) + }; + RcVecBuilder { inner: vec } + } +} + +impl<T> RcVecBuilder<T> { + pub(crate) fn new() -> Self { + RcVecBuilder { inner: Vec::new() } + } + + pub(crate) fn with_capacity(cap: usize) -> Self { + RcVecBuilder { + inner: Vec::with_capacity(cap), + } + } + + pub(crate) fn push(&mut self, element: T) { + self.inner.push(element); + } + + pub(crate) fn extend(&mut self, iter: impl IntoIterator<Item = T>) { + self.inner.extend(iter); + } + + pub(crate) fn as_mut(&mut self) -> RcVecMut<T> { + RcVecMut { + inner: &mut self.inner, + } + } + + pub(crate) fn build(self) -> RcVec<T> { + RcVec { + inner: Rc::new(self.inner), + } + } +} + +impl<'a, T> RcVecMut<'a, T> { + pub(crate) fn push(&mut self, element: T) { + self.inner.push(element); + } + + pub(crate) fn extend(&mut self, iter: impl IntoIterator<Item = T>) { + self.inner.extend(iter); + } + + pub(crate) fn as_mut(&mut self) -> RcVecMut<T> { + RcVecMut { inner: self.inner } + } + + pub(crate) fn take(self) -> RcVecBuilder<T> { + let vec = mem::take(self.inner); + RcVecBuilder { inner: vec } + } +} + +impl<T> Clone for RcVec<T> { + fn clone(&self) -> Self { + RcVec { + inner: Rc::clone(&self.inner), + } + } +} + +impl<T> IntoIterator for RcVecBuilder<T> { + type Item = T; + type IntoIter = RcVecIntoIter<T>; + + fn into_iter(self) -> Self::IntoIter { + RcVecIntoIter { + inner: self.inner.into_iter(), + } + } +} + +impl<T> Iterator for RcVecIntoIter<T> { + type Item = T; + + fn next(&mut self) -> Option<Self::Item> { + self.inner.next() + } + + fn size_hint(&self) -> (usize, Option<usize>) { + self.inner.size_hint() + } +} + +impl<T> RefUnwindSafe for RcVec<T> where T: RefUnwindSafe {} |
