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Implement Send and Sync marker traits for HardwareBuffer #515

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Implement Send and Sync marker traits for HardwareBuffer #515

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5 changes: 5 additions & 0 deletions ndk/src/hardware_buffer.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -233,6 +233,11 @@ pub struct HardwareBuffer {
inner: NonNull<ffi::AHardwareBuffer>,
}

// SAFETY: AHardwareBuffer is a reference-counted type designed for cross-process and cross-thread
// sharing. Acquire/release (ref-counting) operations are thread-safe.
unsafe impl Send for HardwareBuffer {}
unsafe impl Sync for HardwareBuffer {}

impl HardwareBuffer {
/// Create an _unowned_ [`HardwareBuffer`] from a native pointer
///
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