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-rw-r--r--vendor/rustix/src/backend/linux_raw/pipe/types.rs72
1 files changed, 72 insertions, 0 deletions
diff --git a/vendor/rustix/src/backend/linux_raw/pipe/types.rs b/vendor/rustix/src/backend/linux_raw/pipe/types.rs
new file mode 100644
index 000000000..90d2d79ab
--- /dev/null
+++ b/vendor/rustix/src/backend/linux_raw/pipe/types.rs
@@ -0,0 +1,72 @@
+use crate::backend::c;
+use bitflags::bitflags;
+use core::marker::PhantomData;
+
+bitflags! {
+ /// `O_*` constants for use with [`pipe_with`].
+ ///
+ /// [`pipe_with`]: crate::io::pipe_with
+ #[repr(transparent)]
+ #[derive(Copy, Clone, Eq, PartialEq, Hash, Debug)]
+ pub struct PipeFlags: c::c_uint {
+ /// `O_CLOEXEC`
+ const CLOEXEC = linux_raw_sys::general::O_CLOEXEC;
+ /// `O_DIRECT`
+ const DIRECT = linux_raw_sys::general::O_DIRECT;
+ /// `O_NONBLOCK`
+ const NONBLOCK = linux_raw_sys::general::O_NONBLOCK;
+ }
+}
+
+bitflags! {
+ /// `SPLICE_F_*` constants for use with [`splice`] [`vmsplice`], and
+ /// [`tee`].
+ #[repr(transparent)]
+ #[derive(Copy, Clone, Eq, PartialEq, Hash, Debug)]
+ pub struct SpliceFlags: c::c_uint {
+ /// `SPLICE_F_MOVE`
+ const MOVE = linux_raw_sys::general::SPLICE_F_MOVE;
+ /// `SPLICE_F_NONBLOCK`
+ const NONBLOCK = linux_raw_sys::general::SPLICE_F_NONBLOCK;
+ /// `SPLICE_F_MORE`
+ const MORE = linux_raw_sys::general::SPLICE_F_MORE;
+ /// `SPLICE_F_GIFT`
+ const GIFT = linux_raw_sys::general::SPLICE_F_GIFT;
+ }
+}
+
+/// 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.
+#[repr(transparent)]
+pub struct IoSliceRaw<'a> {
+ _buf: c::iovec,
+ _lifetime: PhantomData<&'a ()>,
+}
+
+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).cast::<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().cast::<c::c_void>(),
+ iov_len: buf.len() as _,
+ },
+ _lifetime: PhantomData,
+ }
+ }
+}