SharedRingBuffer

wraith::km::shared

Struct SharedRingBuffer 

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pub struct SharedRingBuffer { /* private fields */ }
Expand description

ring buffer for efficient KM<->UM data transfer

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impl SharedRingBuffer

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pub const MIN_SIZE: usize = 4_096usize

minimum buffer size (header + at least 1 page of data)

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pub fn init(memory: &mut SharedMemory) -> KmResult<&mut Self>

create in shared memory

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pub fn available_write(&self) -> u32

available space for writing

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pub fn available_read(&self) -> u32

available data for reading

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pub fn write(&mut self, data: &[u8]) -> KmResult<()>

write data to ring buffer

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pub fn read(&mut self, buffer: &mut [u8]) -> KmResult<usize>

read data from ring buffer

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