1 files changed, 0 insertions, 379 deletions
diff --git a/vendor/rustix/src/backend/linux_raw/io/syscalls.rs b/vendor/rustix/src/backend/linux_raw/io/syscalls.rs
deleted file mode 100644
index c38f28f..0000000
--- a/vendor/rustix/src/backend/linux_raw/io/syscalls.rs
+++ /dev/null
@@ -1,379 +0,0 @@
-//! linux_raw syscalls supporting `rustix::io`.
-//!
-//! # Safety
-//!
-//! See the `rustix::backend` module documentation for details.
-#![allow(unsafe_code)]
-#![allow(clippy::undocumented_unsafe_blocks)]
-
-#[cfg(target_pointer_width = "64")]
-use crate::backend::conv::loff_t_from_u64;
-#[cfg(all(
-    target_pointer_width = "32",
-    any(target_arch = "arm", target_arch = "mips", target_arch = "mips32r6"),
-))]
-use crate::backend::conv::zero;
-use crate::backend::conv::{
-    c_uint, pass_usize, raw_fd, ret, ret_c_int, ret_c_uint, ret_discarded_fd, ret_owned_fd,
-    ret_usize, slice,
-};
-#[cfg(target_pointer_width = "32")]
-use crate::backend::conv::{hi, lo};
-use crate::backend::{c, MAX_IOV};
-use crate::fd::{AsFd, BorrowedFd, OwnedFd, RawFd};
-use crate::io::{self, DupFlags, FdFlags, IoSlice, IoSliceMut, ReadWriteFlags};
-use crate::ioctl::{IoctlOutput, RawOpcode};
-#[cfg(all(feature = "fs", feature = "net"))]
-use crate::net::{RecvFlags, SendFlags};
-use core::cmp;
-use linux_raw_sys::general::{F_DUPFD_CLOEXEC, F_GETFD, F_SETFD};
-
-#[inline]
-pub(crate) unsafe fn read(fd: BorrowedFd<'_>, buf: *mut u8, len: usize) -> io::Result<usize> {
-    ret_usize(syscall!(__NR_read, fd, buf, pass_usize(len)))
-}
-
-#[inline]
-pub(crate) unsafe fn pread(
-    fd: BorrowedFd<'_>,
-    buf: *mut u8,
-    len: usize,
-    pos: u64,
-) -> io::Result<usize> {
-    // <https://github.com/torvalds/linux/blob/fcadab740480e0e0e9fa9bd272acd409884d431a/arch/arm64/kernel/sys32.c#L75>
-    #[cfg(all(
-        target_pointer_width = "32",
-        any(target_arch = "arm", target_arch = "mips", target_arch = "mips32r6"),
-    ))]
-    {
-        ret_usize(syscall!(
-            __NR_pread64,
-            fd,
-            buf,
-            pass_usize(len),
-            zero(),
-            hi(pos),
-            lo(pos)
-        ))
-    }
-    #[cfg(all(
-        target_pointer_width = "32",
-        not(any(target_arch = "arm", target_arch = "mips", target_arch = "mips32r6")),
-    ))]
-    {
-        ret_usize(syscall!(
-            __NR_pread64,
-            fd,
-            buf,
-            pass_usize(len),
-            hi(pos),
-            lo(pos)
-        ))
-    }
-    #[cfg(target_pointer_width = "64")]
-    ret_usize(syscall!(
-        __NR_pread64,
-        fd,
-        buf,
-        pass_usize(len),
-        loff_t_from_u64(pos)
-    ))
-}
-
-#[inline]
-pub(crate) fn readv(fd: BorrowedFd<'_>, bufs: &mut [IoSliceMut<'_>]) -> io::Result<usize> {
-    let (bufs_addr, bufs_len) = slice(&bufs[..cmp::min(bufs.len(), MAX_IOV)]);
-
-    unsafe { ret_usize(syscall!(__NR_readv, fd, bufs_addr, bufs_len)) }
-}
-
-#[inline]
-pub(crate) fn preadv(
-    fd: BorrowedFd<'_>,
-    bufs: &mut [IoSliceMut<'_>],
-    pos: u64,
-) -> io::Result<usize> {
-    let (bufs_addr, bufs_len) = slice(&bufs[..cmp::min(bufs.len(), MAX_IOV)]);
-
-    // Unlike the plain "p" functions, the "pv" functions pass their offset in
-    // an endian-independent way, and always in two registers.
-    unsafe {
-        ret_usize(syscall!(
-            __NR_preadv,
-            fd,
-            bufs_addr,
-            bufs_len,
-            pass_usize(pos as usize),
-            pass_usize((pos >> 32) as usize)
-        ))
-    }
-}
-
-#[inline]
-pub(crate) fn preadv2(
-    fd: BorrowedFd<'_>,
-    bufs: &mut [IoSliceMut<'_>],
-    pos: u64,
-    flags: ReadWriteFlags,
-) -> io::Result<usize> {
-    let (bufs_addr, bufs_len) = slice(&bufs[..cmp::min(bufs.len(), MAX_IOV)]);
-
-    // Unlike the plain "p" functions, the "pv" functions pass their offset in
-    // an endian-independent way, and always in two registers.
-    unsafe {
-        ret_usize(syscall!(
-            __NR_preadv2,
-            fd,
-            bufs_addr,
-            bufs_len,
-            pass_usize(pos as usize),
-            pass_usize((pos >> 32) as usize),
-            flags
-        ))
-    }
-}
-
-#[inline]
-pub(crate) fn write(fd: BorrowedFd<'_>, buf: &[u8]) -> io::Result<usize> {
-    let (buf_addr, buf_len) = slice(buf);
-
-    unsafe { ret_usize(syscall_readonly!(__NR_write, fd, buf_addr, buf_len)) }
-}
-
-#[inline]
-pub(crate) fn pwrite(fd: BorrowedFd<'_>, buf: &[u8], pos: u64) -> io::Result<usize> {
-    let (buf_addr, buf_len) = slice(buf);
-
-    // <https://github.com/torvalds/linux/blob/fcadab740480e0e0e9fa9bd272acd409884d431a/arch/arm64/kernel/sys32.c#L81-L83>
-    #[cfg(all(
-        target_pointer_width = "32",
-        any(target_arch = "arm", target_arch = "mips", target_arch = "mips32r6"),
-    ))]
-    unsafe {
-        ret_usize(syscall_readonly!(
-            __NR_pwrite64,
-            fd,
-            buf_addr,
-            buf_len,
-            zero(),
-            hi(pos),
-            lo(pos)
-        ))
-    }
-    #[cfg(all(
-        target_pointer_width = "32",
-        not(any(target_arch = "arm", target_arch = "mips", target_arch = "mips32r6")),
-    ))]
-    unsafe {
-        ret_usize(syscall_readonly!(
-            __NR_pwrite64,
-            fd,
-            buf_addr,
-            buf_len,
-            hi(pos),
-            lo(pos)
-        ))
-    }
-    #[cfg(target_pointer_width = "64")]
-    unsafe {
-        ret_usize(syscall_readonly!(
-            __NR_pwrite64,
-            fd,
-            buf_addr,
-            buf_len,
-            loff_t_from_u64(pos)
-        ))
-    }
-}
-
-#[inline]
-pub(crate) fn writev(fd: BorrowedFd<'_>, bufs: &[IoSlice<'_>]) -> io::Result<usize> {
-    let (bufs_addr, bufs_len) = slice(&bufs[..cmp::min(bufs.len(), MAX_IOV)]);
-
-    unsafe { ret_usize(syscall_readonly!(__NR_writev, fd, bufs_addr, bufs_len)) }
-}
-
-#[inline]
-pub(crate) fn pwritev(fd: BorrowedFd<'_>, bufs: &[IoSlice<'_>], pos: u64) -> io::Result<usize> {
-    let (bufs_addr, bufs_len) = slice(&bufs[..cmp::min(bufs.len(), MAX_IOV)]);
-
-    // Unlike the plain "p" functions, the "pv" functions pass their offset in
-    // an endian-independent way, and always in two registers.
-    unsafe {
-        ret_usize(syscall_readonly!(
-            __NR_pwritev,
-            fd,
-            bufs_addr,
-            bufs_len,
-            pass_usize(pos as usize),
-            pass_usize((pos >> 32) as usize)
-        ))
-    }
-}
-
-#[inline]
-pub(crate) fn pwritev2(
-    fd: BorrowedFd<'_>,
-    bufs: &[IoSlice<'_>],
-    pos: u64,
-    flags: ReadWriteFlags,
-) -> io::Result<usize> {
-    let (bufs_addr, bufs_len) = slice(&bufs[..cmp::min(bufs.len(), MAX_IOV)]);
-
-    // Unlike the plain "p" functions, the "pv" functions pass their offset in
-    // an endian-independent way, and always in two registers.
-    unsafe {
-        ret_usize(syscall_readonly!(
-            __NR_pwritev2,
-            fd,
-            bufs_addr,
-            bufs_len,
-            pass_usize(pos as usize),
-            pass_usize((pos >> 32) as usize),
-            flags
-        ))
-    }
-}
-
-#[inline]
-pub(crate) unsafe fn close(fd: RawFd) {
-    // See the documentation for [`io::close`] for why errors are ignored.
-    syscall_readonly!(__NR_close, raw_fd(fd)).decode_void();
-}
-
-#[inline]
-pub(crate) unsafe fn ioctl(
-    fd: BorrowedFd<'_>,
-    request: RawOpcode,
-    arg: *mut c::c_void,
-) -> io::Result<IoctlOutput> {
-    ret_c_int(syscall!(__NR_ioctl, fd, c_uint(request), arg))
-}
-
-#[inline]
-pub(crate) unsafe fn ioctl_readonly(
-    fd: BorrowedFd<'_>,
-    request: RawOpcode,
-    arg: *mut c::c_void,
-) -> io::Result<IoctlOutput> {
-    ret_c_int(syscall_readonly!(__NR_ioctl, fd, c_uint(request), arg))
-}
-
-#[cfg(all(feature = "fs", feature = "net"))]
-pub(crate) fn is_read_write(fd: BorrowedFd<'_>) -> io::Result<(bool, bool)> {
-    let (mut read, mut write) = crate::fs::fd::_is_file_read_write(fd)?;
-    let mut not_socket = false;
-    if read {
-        // Do a `recv` with `PEEK` and `DONTWAIT` for 1 byte. A 0 indicates
-        // the read side is shut down; an `EWOULDBLOCK` indicates the read
-        // side is still open.
-        let mut buf = [core::mem::MaybeUninit::<u8>::uninit()];
-        match unsafe {
-            crate::backend::net::syscalls::recv(
-                fd,
-                buf.as_mut_ptr() as *mut u8,
-                1,
-                RecvFlags::PEEK | RecvFlags::DONTWAIT,
-            )
-        } {
-            Ok(0) => read = false,
-            Err(err) => {
-                #[allow(unreachable_patterns)] // `EAGAIN` may equal `EWOULDBLOCK`
-                match err {
-                    io::Errno::AGAIN | io::Errno::WOULDBLOCK => (),
-                    io::Errno::NOTSOCK => not_socket = true,
-                    _ => return Err(err),
-                }
-            }
-            Ok(_) => (),
-        }
-    }
-    if write && !not_socket {
-        // Do a `send` with `DONTWAIT` for 0 bytes. An `EPIPE` indicates
-        // the write side is shut down.
-        #[allow(unreachable_patterns)] // `EAGAIN` equals `EWOULDBLOCK`
-        match crate::backend::net::syscalls::send(fd, &[], SendFlags::DONTWAIT) {
-            Err(io::Errno::AGAIN | io::Errno::WOULDBLOCK | io::Errno::NOTSOCK) => (),
-            Err(io::Errno::PIPE) => write = false,
-            Err(err) => return Err(err),
-            Ok(_) => (),
-        }
-    }
-    Ok((read, write))
-}
-
-#[inline]
-pub(crate) fn dup(fd: BorrowedFd<'_>) -> io::Result<OwnedFd> {
-    unsafe { ret_owned_fd(syscall_readonly!(__NR_dup, fd)) }
-}
-
-#[allow(clippy::needless_pass_by_ref_mut)]
-#[inline]
-pub(crate) fn dup2(fd: BorrowedFd<'_>, new: &mut OwnedFd) -> io::Result<()> {
-    #[cfg(any(target_arch = "aarch64", target_arch = "riscv64"))]
-    {
-        // We don't need to worry about the difference between `dup2` and
-        // `dup3` when the file descriptors are equal because we have an
-        // `&mut OwnedFd` which means `fd` doesn't alias it.
-        dup3(fd, new, DupFlags::empty())
-    }
-
-    #[cfg(not(any(target_arch = "aarch64", target_arch = "riscv64")))]
-    unsafe {
-        ret_discarded_fd(syscall_readonly!(__NR_dup2, fd, new.as_fd()))
-    }
-}
-
-#[allow(clippy::needless_pass_by_ref_mut)]
-#[inline]
-pub(crate) fn dup3(fd: BorrowedFd<'_>, new: &mut OwnedFd, flags: DupFlags) -> io::Result<()> {
-    unsafe { ret_discarded_fd(syscall_readonly!(__NR_dup3, fd, new.as_fd(), flags)) }
-}
-
-#[inline]
-pub(crate) fn fcntl_getfd(fd: BorrowedFd<'_>) -> io::Result<FdFlags> {
-    #[cfg(target_pointer_width = "32")]
-    unsafe {
-        ret_c_uint(syscall_readonly!(__NR_fcntl64, fd, c_uint(F_GETFD)))
-            .map(FdFlags::from_bits_retain)
-    }
-    #[cfg(target_pointer_width = "64")]
-    unsafe {
-        ret_c_uint(syscall_readonly!(__NR_fcntl, fd, c_uint(F_GETFD)))
-            .map(FdFlags::from_bits_retain)
-    }
-}
-
-#[inline]
-pub(crate) fn fcntl_setfd(fd: BorrowedFd<'_>, flags: FdFlags) -> io::Result<()> {
-    #[cfg(target_pointer_width = "32")]
-    unsafe {
-        ret(syscall_readonly!(__NR_fcntl64, fd, c_uint(F_SETFD), flags))
-    }
-    #[cfg(target_pointer_width = "64")]
-    unsafe {
-        ret(syscall_readonly!(__NR_fcntl, fd, c_uint(F_SETFD), flags))
-    }
-}
-
-#[inline]
-pub(crate) fn fcntl_dupfd_cloexec(fd: BorrowedFd<'_>, min: RawFd) -> io::Result<OwnedFd> {
-    #[cfg(target_pointer_width = "32")]
-    unsafe {
-        ret_owned_fd(syscall_readonly!(
-            __NR_fcntl64,
-            fd,
-            c_uint(F_DUPFD_CLOEXEC),
-            raw_fd(min)
-        ))
-    }
-    #[cfg(target_pointer_width = "64")]
-    unsafe {
-        ret_owned_fd(syscall_readonly!(
-            __NR_fcntl,
-            fd,
-            c_uint(F_DUPFD_CLOEXEC),
-            raw_fd(min)
-        ))
-    }
-}