Struct std::sys::unix::fd::FileDesc

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pub struct FileDesc(OwnedFd);
🔬This is a nightly-only experimental API. (fd)

Tuple Fields§

§0: OwnedFd
🔬This is a nightly-only experimental API. (fd)

Implementations§

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impl FileDesc

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

🔬This is a nightly-only experimental API. (fd)
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pub fn read_vectored(&self, bufs: &mut [IoSliceMut<'_>]) -> Result<usize>

🔬This is a nightly-only experimental API. (fd)
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pub fn is_read_vectored(&self) -> bool

🔬This is a nightly-only experimental API. (fd)
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pub fn read_to_end(&self, buf: &mut Vec<u8>) -> Result<usize>

🔬This is a nightly-only experimental API. (fd)
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pub fn read_at(&self, buf: &mut [u8], offset: u64) -> Result<usize>

🔬This is a nightly-only experimental API. (fd)
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pub fn read_buf(&self, cursor: BorrowedCursor<'_>) -> Result<()>

🔬This is a nightly-only experimental API. (fd)
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pub fn read_vectored_at( &self, bufs: &mut [IoSliceMut<'_>], offset: u64 ) -> Result<usize>

🔬This is a nightly-only experimental API. (fd)
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pub fn write(&self, buf: &[u8]) -> Result<usize>

🔬This is a nightly-only experimental API. (fd)
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pub fn write_vectored(&self, bufs: &[IoSlice<'_>]) -> Result<usize>

🔬This is a nightly-only experimental API. (fd)
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pub fn is_write_vectored(&self) -> bool

🔬This is a nightly-only experimental API. (fd)
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pub fn write_at(&self, buf: &[u8], offset: u64) -> Result<usize>

🔬This is a nightly-only experimental API. (fd)
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pub fn write_vectored_at( &self, bufs: &[IoSlice<'_>], offset: u64 ) -> Result<usize>

🔬This is a nightly-only experimental API. (fd)
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pub fn set_cloexec(&self) -> Result<()>

🔬This is a nightly-only experimental API. (fd)
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pub fn set_nonblocking(&self, nonblocking: bool) -> Result<()>

🔬This is a nightly-only experimental API. (fd)
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pub fn duplicate(&self) -> Result<FileDesc>

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

Trait Implementations§

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impl AsFd for FileDesc

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fn as_fd(&self) -> BorrowedFd<'_>

Borrows the file descriptor. Read more
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impl AsRawFd for FileDesc

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fn as_raw_fd(&self) -> RawFd

Extracts the raw file descriptor. Read more
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impl Debug for FileDesc

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

Formats the value using the given formatter. Read more
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impl FromRawFd for FileDesc

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unsafe fn from_raw_fd(raw_fd: RawFd) -> Self

Constructs a new instance of Self from the given raw file descriptor. Read more
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impl IntoRawFd for FileDesc

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fn into_raw_fd(self) -> RawFd

Consumes this object, returning the raw underlying file descriptor. Read more
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impl<'a> Read for &'a FileDesc

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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. Read more
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fn read_buf(&mut self, cursor: BorrowedCursor<'_>) -> Result<()>

🔬This is a nightly-only experimental API. (read_buf #78485)
Pull some bytes from this source into the specified buffer. Read more
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fn read_vectored(&mut self, bufs: &mut [IoSliceMut<'_>]) -> Result<usize>

Like read, except that it reads into a slice of buffers. Read more
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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. Read more
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fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize>

Read all bytes until EOF in this source, placing them into buf. Read more
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fn read_to_string(&mut self, buf: &mut String) -> Result<usize>

Read all bytes until EOF in this source, appending them to buf. Read more
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fn read_exact(&mut self, buf: &mut [u8]) -> Result<()>

Read the exact number of bytes required to fill buf. Read more
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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. Read more
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fn by_ref(&mut self) -> &mut Selfwhere Self: Sized,

Creates a “by reference” adaptor for this instance of Read. Read more
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fn bytes(self) -> Bytes<Self> where Self: Sized,

Transforms this Read instance to an Iterator over its bytes. Read more
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fn chain<R: Read>(self, next: R) -> Chain<Self, R> where Self: Sized,

Creates an adapter which will chain this stream with another. Read more
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fn take(self, limit: u64) -> Take<Self> where Self: Sized,

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

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for Twhere T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for Twhere T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for Twhere U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.