diff options
Diffstat (limited to 'vendor/rustix/src/backend/libc/io/types.rs')
| -rw-r--r-- | vendor/rustix/src/backend/libc/io/types.rs | 138 |
1 files changed, 18 insertions, 120 deletions
diff --git a/vendor/rustix/src/backend/libc/io/types.rs b/vendor/rustix/src/backend/libc/io/types.rs index 90a5e15b5..8743336f2 100644 --- a/vendor/rustix/src/backend/libc/io/types.rs +++ b/vendor/rustix/src/backend/libc/io/types.rs @@ -1,51 +1,38 @@ -use super::super::c; +use crate::backend::c; use bitflags::bitflags; -#[cfg(any(target_os = "android", target_os = "linux"))] -use core::marker::PhantomData; bitflags! { /// `FD_*` constants for use with [`fcntl_getfd`] and [`fcntl_setfd`]. /// /// [`fcntl_getfd`]: crate::io::fcntl_getfd /// [`fcntl_setfd`]: crate::io::fcntl_setfd - pub struct FdFlags: c::c_int { + #[repr(transparent)] + #[derive(Copy, Clone, Eq, PartialEq, Hash, Debug)] + pub struct FdFlags: u32 { /// `FD_CLOEXEC` - const CLOEXEC = c::FD_CLOEXEC; + const CLOEXEC = bitcast!(c::FD_CLOEXEC); } } -#[cfg(any(target_os = "android", target_os = "linux"))] +#[cfg(linux_kernel)] bitflags! { /// `RWF_*` constants for use with [`preadv2`] and [`pwritev2`]. /// /// [`preadv2`]: crate::io::preadv2 /// [`pwritev2`]: crate::io::pwritev - pub struct ReadWriteFlags: c::c_int { + #[repr(transparent)] + #[derive(Copy, Clone, Eq, PartialEq, Hash, Debug)] + pub struct ReadWriteFlags: u32 { /// `RWF_DSYNC` (since Linux 4.7) - const DSYNC = linux_raw_sys::general::RWF_DSYNC as c::c_int; + const DSYNC = linux_raw_sys::general::RWF_DSYNC; /// `RWF_HIPRI` (since Linux 4.6) - const HIPRI = linux_raw_sys::general::RWF_HIPRI as c::c_int; + const HIPRI = linux_raw_sys::general::RWF_HIPRI; /// `RWF_SYNC` (since Linux 4.7) - const SYNC = linux_raw_sys::general::RWF_SYNC as c::c_int; + const SYNC = linux_raw_sys::general::RWF_SYNC; /// `RWF_NOWAIT` (since Linux 4.14) - const NOWAIT = linux_raw_sys::general::RWF_NOWAIT as c::c_int; + const NOWAIT = linux_raw_sys::general::RWF_NOWAIT; /// `RWF_APPEND` (since Linux 4.16) - const APPEND = linux_raw_sys::general::RWF_APPEND as c::c_int; - } -} - -#[cfg(any(target_os = "android", target_os = "linux"))] -bitflags! { - /// `SPLICE_F_*` constants for use with [`splice`] and [`vmsplice`]. - pub struct SpliceFlags: c::c_uint { - /// `SPLICE_F_MOVE` - const MOVE = c::SPLICE_F_MOVE; - /// `SPLICE_F_NONBLOCK` - const NONBLOCK = c::SPLICE_F_NONBLOCK; - /// `SPLICE_F_MORE` - const MORE = c::SPLICE_F_MORE; - /// `SPLICE_F_GIFT` - const GIFT = c::SPLICE_F_GIFT; + const APPEND = linux_raw_sys::general::RWF_APPEND; } } @@ -54,7 +41,9 @@ bitflags! { /// `O_*` constants for use with [`dup2`]. /// /// [`dup2`]: crate::io::dup2 - pub struct DupFlags: c::c_int { + #[repr(transparent)] + #[derive(Copy, Clone, Eq, PartialEq, Hash, Debug)] + pub struct DupFlags: u32 { /// `O_CLOEXEC` #[cfg(not(any( apple, @@ -62,97 +51,6 @@ bitflags! { target_os = "android", target_os = "redox", )))] // Android 5.0 has dup3, but libc doesn't have bindings - const CLOEXEC = c::O_CLOEXEC; - } -} - -#[cfg(not(any(apple, target_os = "wasi")))] -bitflags! { - /// `O_*` constants for use with [`pipe_with`]. - /// - /// [`pipe_with`]: crate::io::pipe_with - pub struct PipeFlags: c::c_int { - /// `O_CLOEXEC` - const CLOEXEC = c::O_CLOEXEC; - /// `O_DIRECT` - #[cfg(not(any( - solarish, - target_os = "haiku", - target_os = "openbsd", - target_os = "redox", - )))] - const DIRECT = c::O_DIRECT; - /// `O_NONBLOCK` - const NONBLOCK = c::O_NONBLOCK; - } -} - -#[cfg(any( - target_os = "android", - target_os = "freebsd", - target_os = "illumos", - target_os = "linux" -))] -bitflags! { - /// `EFD_*` flags for use with [`eventfd`]. - /// - /// [`eventfd`]: crate::io::eventfd - pub struct EventfdFlags: c::c_int { - /// `EFD_CLOEXEC` - const CLOEXEC = c::EFD_CLOEXEC; - /// `EFD_NONBLOCK` - const NONBLOCK = c::EFD_NONBLOCK; - /// `EFD_SEMAPHORE` - const SEMAPHORE = c::EFD_SEMAPHORE; - } -} - -/// `PIPE_BUF`—The maximum size of a write to a pipe guaranteed to be atomic. -#[cfg(not(any(solarish, target_os = "haiku", target_os = "redox", target_os = "wasi")))] -pub const PIPE_BUF: usize = c::PIPE_BUF; - -#[cfg(not(any(windows, target_os = "redox")))] -pub(crate) const AT_FDCWD: c::c_int = c::AT_FDCWD; -#[cfg(not(windows))] -pub(crate) const STDIN_FILENO: c::c_int = c::STDIN_FILENO; -#[cfg(not(windows))] -pub(crate) const STDOUT_FILENO: c::c_int = c::STDOUT_FILENO; -#[cfg(not(windows))] -pub(crate) const STDERR_FILENO: c::c_int = c::STDERR_FILENO; - -/// A buffer type used with `vmsplice`. -/// It is guaranteed to be ABI compatible with the iovec type on Unix platforms -/// and `WSABUF` on Windows. Unlike `IoSlice` and `IoSliceMut` it is -/// semantically like a raw pointer, and therefore can be shared or mutated as -/// needed. -#[cfg(any(target_os = "android", target_os = "linux"))] -#[repr(transparent)] -pub struct IoSliceRaw<'a> { - _buf: c::iovec, - _lifetime: PhantomData<&'a ()>, -} - -#[cfg(any(target_os = "android", target_os = "linux"))] -impl<'a> IoSliceRaw<'a> { - /// Creates a new `IoSlice` wrapping a byte slice. - pub fn from_slice(buf: &'a [u8]) -> Self { - IoSliceRaw { - _buf: c::iovec { - iov_base: buf.as_ptr() as *mut u8 as *mut c::c_void, - iov_len: buf.len() as _, - }, - _lifetime: PhantomData, - } - } - - /// Creates a new `IoSlice` wrapping a mutable byte slice. - pub fn from_slice_mut(buf: &'a mut [u8]) -> Self { - IoSliceRaw { - _buf: c::iovec { - iov_base: buf.as_mut_ptr() as *mut c::c_void, - iov_len: buf.len() as _, - }, - _lifetime: PhantomData, - } + const CLOEXEC = bitcast!(c::O_CLOEXEC); } } |