Struct AlignedBuf 

pub(crate) struct AlignedBuf {
    ptr: NonNull<u8>,
    len: usize,
    cap: usize,
}

Available on Unix and crate feature pool only.

Page-aligned, growable byte buffer for O_DIRECT reads.

Fields

ptr: NonNull<u8>

Valid for cap initialized bytes, or dangling when cap == 0.

len: usize

cap: usize

Implementations

impl AlignedBuf

pub(crate) const fn new() -> AlignedBuf

pub(crate) fn as_slice(&self) -> &[u8]

fn as_mut_slice(&mut self) -> &mut [u8]

pub(crate) fn shrink_above(&mut self, max: usize)

Releases the allocation if its capacity exceeds max bytes, which also empties the buffer.

fn resize(&mut self, len: usize)

Sets the length to len, growing capacity to a page multiple if needed. Contents are unspecified but initialized.

fn truncate(&mut self, len: usize)

fn release(&mut self)

fn layout(cap: usize) -> Layout

pub(crate) fn from_bytes(bytes: &[u8]) -> AlignedBuf

A buffer holding a copy of bytes.

Trait Implementations

impl Debug for AlignedBuf

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Drop for AlignedBuf

fn drop(&mut self)

Executes the destructor for this type.

fn pin_drop(self: Pin<&mut Self>)

🔬This is a nightly-only experimental API. (pin_ergonomics)

Execute the destructor for this type, but different to Drop::drop, it requires self to be pinned.

impl Send for AlignedBuf