Struct std::sys::windows::handle::Handle

pub struct Handle(OwnedHandle);

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

An owned container for HANDLE object, closing them on Drop.

All methods are inherited through a Deref impl to RawHandle

Tuple Fields

0: OwnedHandle

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

Implementations

impl Handle

pub fn new_event(manual: bool, init: bool) -> Result<Handle>

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

impl Handle

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

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

pub fn read_vectored(&self, bufs: &mut [IoSliceMut<'_>]) -> Result<usize>

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

pub fn is_read_vectored(&self) -> bool

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

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

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

pub fn read_buf(&self, cursor: BorrowedCursor<'_>) -> Result<()>

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

pub unsafe fn read_overlapped( &self, buf: &mut [u8], overlapped: *mut OVERLAPPED ) -> Result<Option<usize>>

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

pub fn overlapped_result( &self, overlapped: *mut OVERLAPPED, wait: bool ) -> Result<usize>

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

pub fn cancel_io(&self) -> Result<()>

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

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

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

pub fn write_vectored(&self, bufs: &[IoSlice<'_>]) -> Result<usize>

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

pub fn is_write_vectored(&self) -> bool

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

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

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

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

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

pub fn duplicate( &self, access: c_ulong, inherit: bool, options: c_ulong ) -> Result<Self>

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

unsafe fn synchronous_read( &self, buf: *mut MaybeUninit<u8>, len: usize, offset: Option<u64> ) -> Result<usize>

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

Performs a synchronous read.

If the handle is opened for asynchronous I/O then this abort the process. See #81357.

If offset is None then the current file position is used.

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

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

Performs a synchronous write.

If the handle is opened for asynchronous I/O then this abort the process. See #81357.

If offset is None then the current file position is used.

Trait Implementations

impl AsHandle for Handle

fn as_handle(&self) -> BorrowedHandle<'_>

Available on Windows only.

Borrows the handle.

impl AsRawHandle for Handle

fn as_raw_handle(&self) -> RawHandle

Available on Windows only.

Extracts the raw handle.

impl FromRawHandle for Handle

unsafe fn from_raw_handle(raw_handle: RawHandle) -> Self

Available on Windows only.

Constructs a new I/O object from the specified raw handle.

impl IntoRawHandle for Handle

fn into_raw_handle(self) -> RawHandle

Available on Windows only.

Consumes this object, returning the raw underlying handle.

impl<'a> Read for &'a Handle

fn read(&mut self, buf: &mut [u8]) -> Result<usize>

Pull some bytes from this source into the specified buffer, returning how many bytes were read.

fn read_buf(&mut self, buf: BorrowedCursor<'_>) -> Result<()>

🔬This is a nightly-only experimental API. (read_buf #78485)

Pull some bytes from this source into the specified buffer.

fn read_vectored(&mut self, bufs: &mut [IoSliceMut<'_>]) -> Result<usize>

Like read, except that it reads into a slice of buffers.

fn is_read_vectored(&self) -> bool

🔬This is a nightly-only experimental API. (can_vector #69941)

Determines if this Reader has an efficient read_vectored implementation.

fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize>

Read all bytes until EOF in this source, placing them into buf.

fn read_to_string(&mut self, buf: &mut String) -> Result<usize>

Read all bytes until EOF in this source, appending them to buf.

fn read_exact(&mut self, buf: &mut [u8]) -> Result<()>

Read the exact number of bytes required to fill buf.

fn read_buf_exact(&mut self, cursor: BorrowedCursor<'_>) -> Result<()>

🔬This is a nightly-only experimental API. (read_buf #78485)

Read the exact number of bytes required to fill cursor.

fn by_ref(&mut self) -> &mut Selfwhere Self: Sized,

Creates a “by reference” adaptor for this instance of Read.

fn bytes(self) -> Bytes<Self> where Self: Sized,

Transforms this Read instance to an Iterator over its bytes.

fn chain<R: Read>(self, next: R) -> Chain<Self, R> where Self: Sized,

Creates an adapter which will chain this stream with another.

fn take(self, limit: u64) -> Take<Self> where Self: Sized,

Creates an adapter which will read at most limit bytes from it.