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Diffstat (limited to 'src/libstd/sys/unix/ext/io.rs')
| -rw-r--r-- | src/libstd/sys/unix/ext/io.rs | 124 | 
1 files changed, 0 insertions, 124 deletions
| diff --git a/src/libstd/sys/unix/ext/io.rs b/src/libstd/sys/unix/ext/io.rs deleted file mode 100644 index 5077e2e28d1..00000000000 --- a/src/libstd/sys/unix/ext/io.rs +++ /dev/null @@ -1,124 +0,0 @@ -//! Unix-specific extensions to general I/O primitives - -#![stable(feature = "rust1", since = "1.0.0")] - -use crate::fs; -use crate::io; -use crate::os::raw; -use crate::sys; -use crate::sys_common::{AsInner, FromInner, IntoInner}; - -/// Raw file descriptors. -#[stable(feature = "rust1", since = "1.0.0")] -pub type RawFd = raw::c_int; - -/// A trait to extract the raw unix file descriptor from an underlying -/// object. -/// -/// This is only available on unix platforms and must be imported in order -/// to call the method. Windows platforms have a corresponding `AsRawHandle` -/// and `AsRawSocket` set of traits. -#[stable(feature = "rust1", since = "1.0.0")] -pub trait AsRawFd { - /// Extracts the raw file descriptor. - /// - /// This method does **not** pass ownership of the raw file descriptor - /// to the caller. The descriptor is only guaranteed to be valid while - /// the original object has not yet been destroyed. - #[stable(feature = "rust1", since = "1.0.0")] - fn as_raw_fd(&self) -> RawFd; -} - -/// A trait to express the ability to construct an object from a raw file -/// descriptor. -#[stable(feature = "from_raw_os", since = "1.1.0")] -pub trait FromRawFd { - /// Constructs a new instance of `Self` from the given raw file - /// descriptor. - /// - /// This function **consumes ownership** of the specified file - /// descriptor. The returned object will take responsibility for closing - /// it when the object goes out of scope. - /// - /// This function is also unsafe as the primitives currently returned - /// have the contract that they are the sole owner of the file - /// descriptor they are wrapping. Usage of this function could - /// accidentally allow violating this contract which can cause memory - /// unsafety in code that relies on it being true. - #[stable(feature = "from_raw_os", since = "1.1.0")] - unsafe fn from_raw_fd(fd: RawFd) -> Self; -} - -/// A trait to express the ability to consume an object and acquire ownership of -/// its raw file descriptor. -#[stable(feature = "into_raw_os", since = "1.4.0")] -pub trait IntoRawFd { - /// Consumes this object, returning the raw underlying file descriptor. - /// - /// This function **transfers ownership** of the underlying file descriptor - /// to the caller. Callers are then the unique owners of the file descriptor - /// and must close the descriptor once it's no longer needed. - #[stable(feature = "into_raw_os", since = "1.4.0")] - fn into_raw_fd(self) -> RawFd; -} - -#[stable(feature = "rust1", since = "1.0.0")] -impl AsRawFd for fs::File { - fn as_raw_fd(&self) -> RawFd { - self.as_inner().fd().raw() - } -} -#[stable(feature = "from_raw_os", since = "1.1.0")] -impl FromRawFd for fs::File { - unsafe fn from_raw_fd(fd: RawFd) -> fs::File { - fs::File::from_inner(sys::fs::File::from_inner(fd)) - } -} -#[stable(feature = "into_raw_os", since = "1.4.0")] -impl IntoRawFd for fs::File { - fn into_raw_fd(self) -> RawFd { - self.into_inner().into_fd().into_raw() - } -} - -#[stable(feature = "asraw_stdio", since = "1.21.0")] -impl AsRawFd for io::Stdin { - fn as_raw_fd(&self) -> RawFd { - libc::STDIN_FILENO - } -} - -#[stable(feature = "asraw_stdio", since = "1.21.0")] -impl AsRawFd for io::Stdout { - fn as_raw_fd(&self) -> RawFd { - libc::STDOUT_FILENO - } -} - -#[stable(feature = "asraw_stdio", since = "1.21.0")] -impl AsRawFd for io::Stderr { - fn as_raw_fd(&self) -> RawFd { - libc::STDERR_FILENO - } -} - -#[stable(feature = "asraw_stdio_locks", since = "1.35.0")] -impl<'a> AsRawFd for io::StdinLock<'a> { - fn as_raw_fd(&self) -> RawFd { - libc::STDIN_FILENO - } -} - -#[stable(feature = "asraw_stdio_locks", since = "1.35.0")] -impl<'a> AsRawFd for io::StdoutLock<'a> { - fn as_raw_fd(&self) -> RawFd { - libc::STDOUT_FILENO - } -} - -#[stable(feature = "asraw_stdio_locks", since = "1.35.0")] -impl<'a> AsRawFd for io::StderrLock<'a> { - fn as_raw_fd(&self) -> RawFd { - libc::STDERR_FILENO - } -} | 
