Struct char_device::CharDevice [−][src]
An unbuffered character device.
This is a wrapper around std::fs::File
which is intended for use with
character device “files” such as “/dev/tty”.
Implementations
impl CharDevice
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pub fn new<Filelike: IntoUnsafeFile + Read + Write>(
filelike: Filelike
) -> Result<Self>
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filelike: Filelike
) -> Result<Self>
Construct a new CharDevice
. Fail if the given handle isn’t a valid
handle for a character device, or it can’t be determined.
pub fn open<P: AsRef<Path>>(path: P) -> Result<Self>
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Construct a new CharDevice
from the given filename. Fail if the given
handle isn’t a valid handle for a character device, or it can’t be
determined.
pub unsafe fn new_unchecked<Filelike: IntoUnsafeFile>(
filelike: Filelike
) -> Self
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filelike: Filelike
) -> Self
pub fn null() -> Result<Self>
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Construct a new CharDevice
which discards writes and reads nothing.
This is “/dev/null” on Posix-ish platforms and “nul” on Windows.
pub fn try_clone(&self) -> Result<Self>
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Creates a new independently owned handle to the underlying device.
pub fn num_ready_bytes(&self) -> Result<u64>
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Return the number of bytes which are ready to be read immediately.
Trait Implementations
impl AsRawFd for CharDevice
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impl Close for CharDevice
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impl Debug for CharDevice
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impl IntoRawFd for CharDevice
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fn into_raw_fd(self) -> RawFd
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impl OwnsRaw for CharDevice
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impl Read for CharDevice
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fn read(&mut self, buf: &mut [u8]) -> Result<usize>
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fn read_vectored(&mut self, bufs: &mut [IoSliceMut<'_>]) -> Result<usize>
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fn is_read_vectored(&self) -> bool
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fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize>
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fn read_to_string(&mut self, buf: &mut String) -> Result<usize>
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fn read_exact(&mut self, buf: &mut [u8]) -> Result<()>
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pub unsafe fn initializer(&self) -> Initializer
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pub fn by_ref(&mut self) -> &mut Self
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pub fn bytes(self) -> Bytes<Self>
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pub fn chain<R>(self, next: R) -> Chain<Self, R> where
R: Read,
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R: Read,
pub fn take(self, limit: u64) -> Take<Self>
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impl Write for CharDevice
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fn write(&mut self, buf: &[u8]) -> Result<usize>
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fn flush(&mut self) -> Result<()>
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fn write_vectored(&mut self, bufs: &[IoSlice<'_>]) -> Result<usize>
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fn is_write_vectored(&self) -> bool
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fn write_all(&mut self, buf: &[u8]) -> Result<()>
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fn write_all_vectored(&mut self, bufs: &mut [IoSlice<'_>]) -> Result<()>
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fn write_fmt(&mut self, fmt: Arguments<'_>) -> Result<()>
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pub fn by_ref(&mut self) -> &mut Self
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Auto Trait Implementations
impl RefUnwindSafe for CharDevice
impl Send for CharDevice
impl Sync for CharDevice
impl Unpin for CharDevice
impl UnwindSafe for CharDevice
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> AsUnsafeFile for T where
T: AsRawFd + OwnsRaw,
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T: AsRawFd + OwnsRaw,
pub fn as_unsafe_file(&self) -> UnsafeFile
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pub fn as_file_view(&self) -> View<'_, File>
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pub unsafe fn as_unscoped_file_view(&self) -> View<'static, File>
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pub fn eq_file<Filelike>(&self, other: &Filelike) -> bool where
Filelike: AsUnsafeFile,
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Filelike: AsUnsafeFile,
impl<T> AsUnsafeHandle for T where
T: AsRawFd + OwnsRaw,
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T: AsRawFd + OwnsRaw,
pub fn as_unsafe_handle(&self) -> UnsafeHandle
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pub fn eq_handle<Handlelike>(&self, other: &Handlelike) -> bool where
Handlelike: AsUnsafeHandle,
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Handlelike: AsUnsafeHandle,
impl<T> AsUnsafeSocket for T where
T: AsRawFd + OwnsRaw,
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T: AsRawFd + OwnsRaw,
pub fn as_unsafe_socket(&self) -> UnsafeSocket
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pub fn as_tcp_stream_view(&self) -> View<'_, TcpStream>
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pub unsafe fn as_unscoped_tcp_stream_view(&self) -> View<'static, TcpStream>
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pub fn as_tcp_listener_view(&self) -> View<'_, TcpListener>
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pub unsafe fn as_unscoped_tcp_listener_view(&self) -> View<'static, TcpListener>
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pub fn as_udp_socket_view(&self) -> View<'_, UdpSocket>
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pub unsafe fn as_unscoped_udp_socket_view(&self) -> View<'static, UdpSocket>
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pub fn as_unix_stream_view(&self) -> View<'_, UnixStream>
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pub unsafe fn as_unscoped_unix_stream_view(&self) -> View<'static, UnixStream>
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pub fn eq_socket<Socketlike>(&self, other: &Socketlike) -> bool where
Socketlike: AsUnsafeSocket,
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Socketlike: AsUnsafeSocket,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> IntoUnsafeFile for T where
T: IntoRawFd + OwnsRaw,
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T: IntoRawFd + OwnsRaw,
pub fn into_unsafe_file(self) -> UnsafeFile
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impl<T> IntoUnsafeHandle for T where
T: IntoRawFd + OwnsRaw,
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T: IntoRawFd + OwnsRaw,
pub fn into_unsafe_handle(self) -> UnsafeHandle
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impl<T> IntoUnsafeSocket for T where
T: IntoRawFd + OwnsRaw,
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T: IntoRawFd + OwnsRaw,
pub fn into_unsafe_socket(self) -> UnsafeSocket
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,