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-rw-r--r--vendor/rustix/src/backend/libc/termios/mod.rs1
-rw-r--r--vendor/rustix/src/backend/libc/termios/syscalls.rs403
2 files changed, 0 insertions, 404 deletions
diff --git a/vendor/rustix/src/backend/libc/termios/mod.rs b/vendor/rustix/src/backend/libc/termios/mod.rs
deleted file mode 100644
index ef944f0..0000000
--- a/vendor/rustix/src/backend/libc/termios/mod.rs
+++ /dev/null
@@ -1 +0,0 @@
-pub(crate) mod syscalls;
diff --git a/vendor/rustix/src/backend/libc/termios/syscalls.rs b/vendor/rustix/src/backend/libc/termios/syscalls.rs
deleted file mode 100644
index a833aea..0000000
--- a/vendor/rustix/src/backend/libc/termios/syscalls.rs
+++ /dev/null
@@ -1,403 +0,0 @@
-//! libc syscalls supporting `rustix::termios`.
-//!
-//! # Safety
-//!
-//! See the `rustix::backend::syscalls` module documentation for details.
-
-use crate::backend::c;
-#[cfg(not(target_os = "wasi"))]
-use crate::backend::conv::ret_pid_t;
-use crate::backend::conv::{borrowed_fd, ret};
-use crate::fd::BorrowedFd;
-#[cfg(all(feature = "alloc", feature = "procfs"))]
-#[cfg(not(any(target_os = "fuchsia", target_os = "wasi")))]
-use crate::ffi::CStr;
-#[cfg(any(
- not(target_os = "espidf"),
- all(
- feature = "procfs",
- not(any(target_os = "fuchsia", target_os = "wasi"))
- )
-))]
-use core::mem::MaybeUninit;
-#[cfg(not(target_os = "wasi"))]
-use {crate::io, crate::pid::Pid};
-#[cfg(not(any(target_os = "espidf", target_os = "wasi")))]
-use {
- crate::termios::{Action, OptionalActions, QueueSelector, Termios, Winsize},
- crate::utils::as_mut_ptr,
-};
-
-#[cfg(not(any(target_os = "espidf", target_os = "wasi")))]
-pub(crate) fn tcgetattr(fd: BorrowedFd<'_>) -> io::Result<Termios> {
- // If we have `TCGETS2`, use it, so that we fill in the `c_ispeed` and
- // `c_ospeed` fields.
- #[cfg(linux_kernel)]
- {
- use crate::termios::{ControlModes, InputModes, LocalModes, OutputModes, SpecialCodes};
- use crate::utils::default_array;
-
- let termios2 = unsafe {
- let mut termios2 = MaybeUninit::<c::termios2>::uninit();
-
- // QEMU's `TCGETS2` doesn't currently set `input_speed` or
- // `output_speed` on PowerPC, so zero out the fields ourselves.
- #[cfg(any(target_arch = "powerpc", target_arch = "powerpc64"))]
- {
- termios2.write(core::mem::zeroed());
- }
-
- ret(c::ioctl(
- borrowed_fd(fd),
- c::TCGETS2 as _,
- termios2.as_mut_ptr(),
- ))?;
-
- termios2.assume_init()
- };
-
- // Convert from the Linux `termios2` to our `Termios`.
- let mut result = Termios {
- input_modes: InputModes::from_bits_retain(termios2.c_iflag),
- output_modes: OutputModes::from_bits_retain(termios2.c_oflag),
- control_modes: ControlModes::from_bits_retain(termios2.c_cflag),
- local_modes: LocalModes::from_bits_retain(termios2.c_lflag),
- line_discipline: termios2.c_line,
- special_codes: SpecialCodes(default_array()),
- input_speed: termios2.c_ispeed,
- output_speed: termios2.c_ospeed,
- };
-
- // QEMU's `TCGETS2` doesn't currently set `input_speed` or
- // `output_speed` on PowerPC, so set them manually if we can.
- #[cfg(any(target_arch = "powerpc", target_arch = "powerpc64"))]
- {
- use crate::termios::speed;
-
- if result.output_speed == 0 && (termios2.c_cflag & c::CBAUD) != c::BOTHER {
- if let Some(output_speed) = speed::decode(termios2.c_cflag & c::CBAUD) {
- result.output_speed = output_speed;
- }
- }
- if result.input_speed == 0
- && ((termios2.c_cflag & c::CIBAUD) >> c::IBSHIFT) != c::BOTHER
- {
- // For input speeds, `B0` is special-cased to mean the input
- // speed is the same as the output speed.
- if ((termios2.c_cflag & c::CIBAUD) >> c::IBSHIFT) == c::B0 {
- result.input_speed = result.output_speed;
- } else if let Some(input_speed) =
- speed::decode((termios2.c_cflag & c::CIBAUD) >> c::IBSHIFT)
- {
- result.input_speed = input_speed;
- }
- }
- }
-
- result.special_codes.0[..termios2.c_cc.len()].copy_from_slice(&termios2.c_cc);
-
- Ok(result)
- }
-
- #[cfg(not(linux_kernel))]
- unsafe {
- let mut result = MaybeUninit::<Termios>::uninit();
-
- // `result` is a `Termios` which starts with the same layout as
- // `libc::termios`, so we can cast the pointer.
- ret(c::tcgetattr(borrowed_fd(fd), result.as_mut_ptr().cast()))?;
-
- Ok(result.assume_init())
- }
-}
-
-#[cfg(not(target_os = "wasi"))]
-pub(crate) fn tcgetpgrp(fd: BorrowedFd<'_>) -> io::Result<Pid> {
- unsafe {
- let pid = ret_pid_t(c::tcgetpgrp(borrowed_fd(fd)))?;
-
- // This doesn't appear to be documented, but on Linux, it appears
- // `tcsetpgrp` can succceed and set the pid to 0 if we pass it a
- // pseudo-terminal device fd. For now, translate it into `OPNOTSUPP`.
- #[cfg(linux_kernel)]
- if pid == 0 {
- return Err(io::Errno::OPNOTSUPP);
- }
-
- Ok(Pid::from_raw_unchecked(pid))
- }
-}
-
-#[cfg(not(target_os = "wasi"))]
-pub(crate) fn tcsetpgrp(fd: BorrowedFd<'_>, pid: Pid) -> io::Result<()> {
- unsafe { ret(c::tcsetpgrp(borrowed_fd(fd), pid.as_raw_nonzero().get())) }
-}
-
-#[cfg(not(any(target_os = "espidf", target_os = "wasi")))]
-pub(crate) fn tcsetattr(
- fd: BorrowedFd<'_>,
- optional_actions: OptionalActions,
- termios: &Termios,
-) -> io::Result<()> {
- // If we have `TCSETS2`, use it, so that we use the `c_ispeed` and
- // `c_ospeed` fields.
- #[cfg(linux_kernel)]
- {
- use crate::termios::speed;
- use crate::utils::default_array;
- use linux_raw_sys::general::{termios2, BOTHER, CBAUD, IBSHIFT};
-
- #[cfg(not(any(target_arch = "sparc", target_arch = "sparc64")))]
- use linux_raw_sys::ioctl::{TCSETS, TCSETS2};
-
- // linux-raw-sys' ioctl-generation script for sparc isn't working yet,
- // so as a temporary workaround, declare these manually.
- #[cfg(any(target_arch = "sparc", target_arch = "sparc64"))]
- const TCSETS: u32 = 0x8024_5409;
- #[cfg(any(target_arch = "sparc", target_arch = "sparc64"))]
- const TCSETS2: u32 = 0x802c_540d;
-
- // Translate from `optional_actions` into an ioctl request code. On
- // MIPS, `optional_actions` already has `TCGETS` added to it.
- let request = TCSETS2
- + if cfg!(any(
- target_arch = "mips",
- target_arch = "mips32r6",
- target_arch = "mips64",
- target_arch = "mips64r6"
- )) {
- optional_actions as u32 - TCSETS
- } else {
- optional_actions as u32
- };
-
- let input_speed = termios.input_speed();
- let output_speed = termios.output_speed();
- let mut termios2 = termios2 {
- c_iflag: termios.input_modes.bits(),
- c_oflag: termios.output_modes.bits(),
- c_cflag: termios.control_modes.bits(),
- c_lflag: termios.local_modes.bits(),
- c_line: termios.line_discipline,
- c_cc: default_array(),
- c_ispeed: input_speed,
- c_ospeed: output_speed,
- };
- // Ensure that our input and output speeds are set, as `libc`
- // routines don't always support setting these separately.
- termios2.c_cflag &= !CBAUD;
- termios2.c_cflag |= speed::encode(output_speed).unwrap_or(BOTHER);
- termios2.c_cflag &= !(CBAUD << IBSHIFT);
- termios2.c_cflag |= speed::encode(input_speed).unwrap_or(BOTHER) << IBSHIFT;
- let nccs = termios2.c_cc.len();
- termios2
- .c_cc
- .copy_from_slice(&termios.special_codes.0[..nccs]);
-
- unsafe { ret(c::ioctl(borrowed_fd(fd), request as _, &termios2)) }
- }
-
- #[cfg(not(linux_kernel))]
- unsafe {
- ret(c::tcsetattr(
- borrowed_fd(fd),
- optional_actions as _,
- crate::utils::as_ptr(termios).cast(),
- ))
- }
-}
-
-#[cfg(not(target_os = "wasi"))]
-pub(crate) fn tcsendbreak(fd: BorrowedFd<'_>) -> io::Result<()> {
- unsafe { ret(c::tcsendbreak(borrowed_fd(fd), 0)) }
-}
-
-#[cfg(not(any(target_os = "espidf", target_os = "wasi")))]
-pub(crate) fn tcdrain(fd: BorrowedFd<'_>) -> io::Result<()> {
- unsafe { ret(c::tcdrain(borrowed_fd(fd))) }
-}
-
-#[cfg(not(any(target_os = "espidf", target_os = "wasi")))]
-pub(crate) fn tcflush(fd: BorrowedFd<'_>, queue_selector: QueueSelector) -> io::Result<()> {
- unsafe { ret(c::tcflush(borrowed_fd(fd), queue_selector as _)) }
-}
-
-#[cfg(not(any(target_os = "espidf", target_os = "wasi")))]
-pub(crate) fn tcflow(fd: BorrowedFd<'_>, action: Action) -> io::Result<()> {
- unsafe { ret(c::tcflow(borrowed_fd(fd), action as _)) }
-}
-
-#[cfg(not(target_os = "wasi"))]
-pub(crate) fn tcgetsid(fd: BorrowedFd<'_>) -> io::Result<Pid> {
- unsafe {
- let pid = ret_pid_t(c::tcgetsid(borrowed_fd(fd)))?;
- Ok(Pid::from_raw_unchecked(pid))
- }
-}
-
-#[cfg(not(any(target_os = "espidf", target_os = "wasi")))]
-pub(crate) fn tcsetwinsize(fd: BorrowedFd<'_>, winsize: Winsize) -> io::Result<()> {
- unsafe { ret(c::ioctl(borrowed_fd(fd), c::TIOCSWINSZ, &winsize)) }
-}
-
-#[cfg(not(any(target_os = "espidf", target_os = "wasi")))]
-pub(crate) fn tcgetwinsize(fd: BorrowedFd<'_>) -> io::Result<Winsize> {
- unsafe {
- let mut buf = MaybeUninit::<Winsize>::uninit();
- ret(c::ioctl(
- borrowed_fd(fd),
- c::TIOCGWINSZ.into(),
- buf.as_mut_ptr(),
- ))?;
- Ok(buf.assume_init())
- }
-}
-
-#[cfg(not(any(target_os = "espidf", target_os = "nto", target_os = "wasi")))]
-#[inline]
-pub(crate) fn set_speed(termios: &mut Termios, arbitrary_speed: u32) -> io::Result<()> {
- #[cfg(bsd)]
- let encoded_speed = arbitrary_speed;
-
- #[cfg(not(bsd))]
- let encoded_speed = match crate::termios::speed::encode(arbitrary_speed) {
- Some(encoded_speed) => encoded_speed,
- #[cfg(linux_kernel)]
- None => c::BOTHER,
- #[cfg(not(linux_kernel))]
- None => return Err(io::Errno::INVAL),
- };
-
- #[cfg(not(linux_kernel))]
- unsafe {
- ret(c::cfsetspeed(
- as_mut_ptr(termios).cast(),
- encoded_speed.into(),
- ))
- }
-
- // Linux libc implementations don't support arbitrary speeds, so we encode
- // the speed manually.
- #[cfg(linux_kernel)]
- {
- use crate::termios::ControlModes;
-
- debug_assert_eq!(encoded_speed & !c::CBAUD, 0);
-
- termios.control_modes -= ControlModes::from_bits_retain(c::CBAUD | c::CIBAUD);
- termios.control_modes |=
- ControlModes::from_bits_retain(encoded_speed | (encoded_speed << c::IBSHIFT));
-
- termios.input_speed = arbitrary_speed;
- termios.output_speed = arbitrary_speed;
-
- Ok(())
- }
-}
-
-#[cfg(not(any(target_os = "espidf", target_os = "wasi")))]
-#[inline]
-pub(crate) fn set_output_speed(termios: &mut Termios, arbitrary_speed: u32) -> io::Result<()> {
- #[cfg(bsd)]
- let encoded_speed = arbitrary_speed;
-
- #[cfg(not(bsd))]
- let encoded_speed = match crate::termios::speed::encode(arbitrary_speed) {
- Some(encoded_speed) => encoded_speed,
- #[cfg(linux_kernel)]
- None => c::BOTHER,
- #[cfg(not(linux_kernel))]
- None => return Err(io::Errno::INVAL),
- };
-
- #[cfg(not(linux_kernel))]
- unsafe {
- ret(c::cfsetospeed(
- as_mut_ptr(termios).cast(),
- encoded_speed.into(),
- ))
- }
-
- // Linux libc implementations don't support arbitrary speeds or setting the
- // input and output speeds separately, so we encode the speed manually.
- #[cfg(linux_kernel)]
- {
- use crate::termios::ControlModes;
-
- debug_assert_eq!(encoded_speed & !c::CBAUD, 0);
-
- termios.control_modes -= ControlModes::from_bits_retain(c::CBAUD);
- termios.control_modes |= ControlModes::from_bits_retain(encoded_speed);
-
- termios.output_speed = arbitrary_speed;
-
- Ok(())
- }
-}
-
-#[cfg(not(any(target_os = "espidf", target_os = "wasi")))]
-#[inline]
-pub(crate) fn set_input_speed(termios: &mut Termios, arbitrary_speed: u32) -> io::Result<()> {
- #[cfg(bsd)]
- let encoded_speed = arbitrary_speed;
-
- #[cfg(not(bsd))]
- let encoded_speed = match crate::termios::speed::encode(arbitrary_speed) {
- Some(encoded_speed) => encoded_speed,
- #[cfg(linux_kernel)]
- None => c::BOTHER,
- #[cfg(not(linux_kernel))]
- None => return Err(io::Errno::INVAL),
- };
-
- #[cfg(not(linux_kernel))]
- unsafe {
- ret(c::cfsetispeed(
- as_mut_ptr(termios).cast(),
- encoded_speed.into(),
- ))
- }
-
- // Linux libc implementations don't support arbitrary speeds or setting the
- // input and output speeds separately, so we encode the speed manually.
- #[cfg(linux_kernel)]
- {
- use crate::termios::ControlModes;
-
- debug_assert_eq!(encoded_speed & !c::CBAUD, 0);
-
- termios.control_modes -= ControlModes::from_bits_retain(c::CIBAUD);
- termios.control_modes |= ControlModes::from_bits_retain(encoded_speed << c::IBSHIFT);
-
- termios.input_speed = arbitrary_speed;
-
- Ok(())
- }
-}
-
-#[cfg(not(any(target_os = "espidf", target_os = "nto", target_os = "wasi")))]
-#[inline]
-pub(crate) fn cfmakeraw(termios: &mut Termios) {
- unsafe { c::cfmakeraw(as_mut_ptr(termios).cast()) }
-}
-
-pub(crate) fn isatty(fd: BorrowedFd<'_>) -> bool {
- // Use the return value of `isatty` alone. We don't check `errno` because
- // we return `bool` rather than `io::Result<bool>`, because we assume
- // `BorrowedFd` protects us from `EBADF`, and any other reasonably
- // anticipated `errno` value would end up interpreted as “assume it's not a
- // terminal” anyway.
- unsafe { c::isatty(borrowed_fd(fd)) != 0 }
-}
-
-#[cfg(all(feature = "alloc", feature = "procfs"))]
-#[cfg(not(any(target_os = "fuchsia", target_os = "wasi")))]
-pub(crate) fn ttyname(dirfd: BorrowedFd<'_>, buf: &mut [MaybeUninit<u8>]) -> io::Result<usize> {
- unsafe {
- // `ttyname_r` returns its error status rather than using `errno`.
- match c::ttyname_r(borrowed_fd(dirfd), buf.as_mut_ptr().cast(), buf.len()) {
- 0 => Ok(CStr::from_ptr(buf.as_ptr().cast()).to_bytes().len()),
- err => Err(io::Errno::from_raw_os_error(err)),
- }
- }
-}