Struct cros_asyncv2::sys::file::File

pub struct File {
    fd: Arc<SafeDescriptor>,
}

Fields

fd: Arc<SafeDescriptor>

Implementations

impl File

pub fn open<P: AsRef<Path>>(p: P) -> Result<File>

pub fn create<P: AsRef<Path>>(p: P) -> Result<File>

pub async fn read(&self, buf: &mut [u8], offset: Option<u64>) -> Result<usize>

pub async fn read_iobuf<B: AsIoBufs + Unpin + 'static>(
    &self,
    buf: B,
    offset: Option<u64>
) -> (Result<usize>, B)

pub async fn write(&self, buf: &[u8], offset: Option<u64>) -> Result<usize>

pub async fn write_iobuf<B: AsIoBufs + Unpin + 'static>(
    &self,
    buf: B,
    offset: Option<u64>
) -> (Result<usize>, B)

pub async fn punch_hole(&self, offset: u64, len: u64) -> Result<()>

pub async fn write_zeroes(&self, offset: u64, len: u64) -> Result<()>

pub async fn allocate(&self, offset: u64, len: u64) -> Result<()>

pub async fn get_len(&self) -> Result<u64>

pub async fn set_len(&self, len: u64) -> Result<()>

pub async fn sync_all(&self) -> Result<()>

pub async fn sync_data(&self) -> Result<()>

pub fn try_clone(&self) -> Result<File>

Trait Implementations

impl AsRawDescriptor for File

fn as_raw_descriptor(&self) -> RawDescriptor

Returns the underlying raw descriptor.

impl Debug for File

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

Formats the value using the given formatter.

impl TryFrom<File> for File

type Error = Error

The type returned in the event of a conversion error.

fn try_from(f: StdFile) -> Result<Self>

Performs the conversion.

impl TryFrom<File> for StdFile

type Error = File

The type returned in the event of a conversion error.

fn try_from(f: File) -> Result<StdFile, File>

Performs the conversion.