Merging upstream version 1.67.1+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

3 files changed, 1206 insertions, 0 deletions

diff --git a/vendor/rustix/src/backend/libc/termios/mod.rs b/vendor/rustix/src/backend/libc/termios/mod.rs
new file mode 100644
index 000000000..1e0181a99
--- /dev/null
+++ b/vendor/rustix/src/backend/libc/termios/mod.rs
@@ -0,0 +1,2 @@
+pub(crate) mod syscalls;
+pub(crate) mod types;
diff --git a/vendor/rustix/src/backend/libc/termios/syscalls.rs b/vendor/rustix/src/backend/libc/termios/syscalls.rs
new file mode 100644
index 000000000..e0ab7a016
--- /dev/null
+++ b/vendor/rustix/src/backend/libc/termios/syscalls.rs
@@ -0,0 +1,158 @@
+//! libc syscalls supporting `rustix::termios`.
+//!
+//! # Safety
+//!
+//! See the `rustix::backend::syscalls` module documentation for details.
+
+use super::super::c;
+use super::super::conv::{borrowed_fd, ret, ret_pid_t};
+use crate::fd::BorrowedFd;
+#[cfg(feature = "procfs")]
+#[cfg(not(any(target_os = "fuchsia", target_os = "wasi")))]
+use crate::ffi::CStr;
+use crate::io;
+use crate::process::{Pid, RawNonZeroPid};
+use crate::termios::{Action, OptionalActions, QueueSelector, Speed, Termios, Winsize};
+use core::mem::MaybeUninit;
+use libc_errno::errno;
+
+pub(crate) fn tcgetattr(fd: BorrowedFd<'_>) -> io::Result<Termios> {
+    let mut result = MaybeUninit::<Termios>::uninit();
+    unsafe {
+        ret(c::tcgetattr(borrowed_fd(fd), result.as_mut_ptr()))?;
+        Ok(result.assume_init())
+    }
+}
+
+pub(crate) fn tcgetpgrp(fd: BorrowedFd<'_>) -> io::Result<Pid> {
+    unsafe {
+        let pid = ret_pid_t(c::tcgetpgrp(borrowed_fd(fd)))?;
+        debug_assert_ne!(pid, 0);
+        Ok(Pid::from_raw_nonzero(RawNonZeroPid::new_unchecked(pid)))
+    }
+}
+
+pub(crate) fn tcsetpgrp(fd: BorrowedFd<'_>, pid: Pid) -> io::Result<()> {
+    unsafe { ret(c::tcsetpgrp(borrowed_fd(fd), pid.as_raw_nonzero().get())) }
+}
+
+pub(crate) fn tcsetattr(
+    fd: BorrowedFd,
+    optional_actions: OptionalActions,
+    termios: &Termios,
+) -> io::Result<()> {
+    unsafe {
+        ret(c::tcsetattr(
+            borrowed_fd(fd),
+            optional_actions as _,
+            termios,
+        ))
+    }
+}
+
+pub(crate) fn tcsendbreak(fd: BorrowedFd) -> io::Result<()> {
+    unsafe { ret(c::tcsendbreak(borrowed_fd(fd), 0)) }
+}
+
+pub(crate) fn tcdrain(fd: BorrowedFd) -> io::Result<()> {
+    unsafe { ret(c::tcdrain(borrowed_fd(fd))) }
+}
+
+pub(crate) fn tcflush(fd: BorrowedFd, queue_selector: QueueSelector) -> io::Result<()> {
+    unsafe { ret(c::tcflush(borrowed_fd(fd), queue_selector as _)) }
+}
+
+pub(crate) fn tcflow(fd: BorrowedFd, action: Action) -> io::Result<()> {
+    unsafe { ret(c::tcflow(borrowed_fd(fd), action as _)) }
+}
+
+pub(crate) fn tcgetsid(fd: BorrowedFd) -> io::Result<Pid> {
+    unsafe {
+        let pid = ret_pid_t(c::tcgetsid(borrowed_fd(fd)))?;
+        debug_assert_ne!(pid, 0);
+        Ok(Pid::from_raw_nonzero(RawNonZeroPid::new_unchecked(pid)))
+    }
+}
+
+pub(crate) fn tcsetwinsize(fd: BorrowedFd, winsize: Winsize) -> io::Result<()> {
+    unsafe { ret(c::ioctl(borrowed_fd(fd), c::TIOCSWINSZ, &winsize)) }
+}
+
+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())
+    }
+}
+
+#[inline]
+#[must_use]
+pub(crate) fn cfgetospeed(termios: &Termios) -> Speed {
+    unsafe { c::cfgetospeed(termios) }
+}
+
+#[inline]
+#[must_use]
+pub(crate) fn cfgetispeed(termios: &Termios) -> Speed {
+    unsafe { c::cfgetispeed(termios) }
+}
+
+#[inline]
+pub(crate) fn cfmakeraw(termios: &mut Termios) {
+    unsafe { c::cfmakeraw(termios) }
+}
+
+#[inline]
+pub(crate) fn cfsetospeed(termios: &mut Termios, speed: Speed) -> io::Result<()> {
+    unsafe { ret(c::cfsetospeed(termios, speed)) }
+}
+
+#[inline]
+pub(crate) fn cfsetispeed(termios: &mut Termios, speed: Speed) -> io::Result<()> {
+    unsafe { ret(c::cfsetispeed(termios, speed)) }
+}
+
+#[inline]
+pub(crate) fn cfsetspeed(termios: &mut Termios, speed: Speed) -> io::Result<()> {
+    unsafe { ret(c::cfsetspeed(termios, speed)) }
+}
+
+pub(crate) fn isatty(fd: BorrowedFd<'_>) -> bool {
+    let res = unsafe { c::isatty(borrowed_fd(fd)) };
+    if res == 0 {
+        match errno().0 {
+            #[cfg(not(any(target_os = "android", target_os = "linux")))]
+            c::ENOTTY => false,
+
+            // Old Linux versions reportedly return `EINVAL`.
+            // <https://man7.org/linux/man-pages/man3/isatty.3.html#ERRORS>
+            #[cfg(any(target_os = "android", target_os = "linux"))]
+            c::ENOTTY | c::EINVAL => false,
+
+            // Darwin mysteriously returns `EOPNOTSUPP` sometimes.
+            #[cfg(any(target_os = "ios", target_os = "macos"))]
+            c::EOPNOTSUPP => false,
+
+            err => panic!("unexpected error from isatty: {:?}", err),
+        }
+    } else {
+        true
+    }
+}
+
+#[cfg(feature = "procfs")]
+#[cfg(not(any(target_os = "fuchsia", target_os = "wasi")))]
+pub(crate) fn ttyname(dirfd: BorrowedFd<'_>, buf: &mut [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)),
+        }
+    }
+}
diff --git a/vendor/rustix/src/backend/libc/termios/types.rs b/vendor/rustix/src/backend/libc/termios/types.rs
new file mode 100644
index 000000000..6dda70064
--- /dev/null
+++ b/vendor/rustix/src/backend/libc/termios/types.rs
@@ -0,0 +1,1046 @@
+use super::super::c;
+
+/// `TCSA*` values for use with [`tcsetattr`].
+///
+/// [`tcsetattr`]: crate::termios::tcsetattr
+#[derive(Debug, Clone, Copy, Eq, PartialEq, Hash)]
+#[repr(i32)]
+pub enum OptionalActions {
+    /// `TCSANOW`—Make the change immediately.
+    Now = c::TCSANOW,
+
+    /// `TCSADRAIN`—Make the change after all output has been transmitted.
+    Drain = c::TCSADRAIN,
+
+    /// `TCSAFLUSH`—Discard any pending input and then make the change
+    /// after all output has been transmitted.
+    Flush = c::TCSAFLUSH,
+}
+
+/// `TC*` values for use with [`tcflush`].
+///
+/// [`tcflush`]: crate::termios::tcflush
+#[derive(Debug, Clone, Copy, Eq, PartialEq, Hash)]
+#[repr(i32)]
+pub enum QueueSelector {
+    /// `TCIFLUSH`—Flush data received but not read.
+    IFlush = c::TCIFLUSH,
+
+    /// `TCOFLUSH`—Flush data written but not transmitted.
+    OFlush = c::TCOFLUSH,
+
+    /// `TCIOFLUSH`—`IFlush` and `OFlush` combined.
+    IOFlush = c::TCIOFLUSH,
+}
+
+/// `TC*` values for use with [`tcflow`].
+///
+/// [`tcflow`]: crate::termios::tcflow
+#[derive(Debug, Clone, Copy, Eq, PartialEq, Hash)]
+#[repr(i32)]
+pub enum Action {
+    /// `TCOOFF`—Suspend output.
+    OOff = c::TCOOFF,
+
+    /// `TCOON`—Restart suspended output.
+    OOn = c::TCOON,
+
+    /// `TCIOFF`—Transmits a STOP byte.
+    IOff = c::TCIOFF,
+
+    /// `TCION`—Transmits a START byte.
+    IOn = c::TCION,
+}
+
+/// `struct termios` for use with [`tcgetattr`].
+///
+/// [`tcgetattr`]: crate::termios::tcgetattr
+pub type Termios = c::termios;
+
+/// `struct winsize` for use with [`tcgetwinsize`].
+///
+/// [`tcgetwinsize`]: crate::termios::tcgetwinsize
+pub type Winsize = c::winsize;
+
+/// `tcflag_t`—A type for the flags fields of [`Termios`].
+pub type Tcflag = c::tcflag_t;
+
+/// `speed_t`—A return type for [`cfsetspeed`] and similar.
+///
+/// [`cfsetspeed`]: crate::termios::cfsetspeed
+pub type Speed = c::speed_t;
+
+/// `VINTR`
+pub const VINTR: usize = c::VINTR as usize;
+
+/// `VQUIT`
+pub const VQUIT: usize = c::VQUIT as usize;
+
+/// `VERASE`
+pub const VERASE: usize = c::VERASE as usize;
+
+/// `VKILL`
+pub const VKILL: usize = c::VKILL as usize;
+
+/// `VEOF`
+pub const VEOF: usize = c::VEOF as usize;
+
+/// `VTIME`
+pub const VTIME: usize = c::VTIME as usize;
+
+/// `VMIN`
+pub const VMIN: usize = c::VMIN as usize;
+
+/// `VSWTC`
+#[cfg(not(any(
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "haiku",
+    target_os = "illumos",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "solaris",
+)))]
+pub const VSWTC: usize = c::VSWTC as usize;
+
+/// `VSTART`
+pub const VSTART: usize = c::VSTART as usize;
+
+/// `VSTOP`
+pub const VSTOP: usize = c::VSTOP as usize;
+
+/// `VSUSP`
+pub const VSUSP: usize = c::VSUSP as usize;
+
+/// `VEOL`
+pub const VEOL: usize = c::VEOL as usize;
+
+/// `VREPRINT`
+#[cfg(not(target_os = "haiku"))]
+pub const VREPRINT: usize = c::VREPRINT as usize;
+
+/// `VDISCARD`
+#[cfg(not(target_os = "haiku"))]
+pub const VDISCARD: usize = c::VDISCARD as usize;
+
+/// `VWERASE`
+#[cfg(not(target_os = "haiku"))]
+pub const VWERASE: usize = c::VWERASE as usize;
+
+/// `VLNEXT`
+#[cfg(not(target_os = "haiku"))]
+pub const VLNEXT: usize = c::VLNEXT as usize;
+
+/// `VEOL2`
+pub const VEOL2: usize = c::VEOL2 as usize;
+
+/// `IGNBRK`
+#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+pub const IGNBRK: c::c_uint = c::IGNBRK;
+
+/// `BRKINT`
+#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+pub const BRKINT: c::c_uint = c::BRKINT;
+
+/// `IGNPAR`
+#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+pub const IGNPAR: c::c_uint = c::IGNPAR;
+
+/// `PARMRK`
+#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+pub const PARMRK: c::c_uint = c::PARMRK;
+
+/// `INPCK`
+#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+pub const INPCK: c::c_uint = c::INPCK;
+
+/// `ISTRIP`
+#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+pub const ISTRIP: c::c_uint = c::ISTRIP;
+
+/// `INLCR`
+#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+pub const INLCR: c::c_uint = c::INLCR;
+
+/// `IGNCR`
+#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+pub const IGNCR: c::c_uint = c::IGNCR;
+
+/// `ICRNL`
+#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+pub const ICRNL: c::c_uint = c::ICRNL;
+
+/// `IUCLC`
+#[cfg(any(target_os = "haiku", target_os = "illumos", target_os = "solaris"))]
+pub const IUCLC: c::c_uint = c::IUCLC;
+
+/// `IXON`
+#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+pub const IXON: c::c_uint = c::IXON;
+
+/// `IXANY`
+#[cfg(not(any(target_os = "ios", target_os = "macos", target_os = "redox")))]
+pub const IXANY: c::c_uint = c::IXANY;
+
+/// `IXOFF`
+#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+pub const IXOFF: c::c_uint = c::IXOFF;
+
+/// `IMAXBEL`
+#[cfg(not(any(
+    target_os = "haiku",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "redox"
+)))]
+pub const IMAXBEL: c::c_uint = c::IMAXBEL;
+
+/// `IUTF8`
+#[cfg(not(any(
+    target_os = "dragonfly",
+    target_os = "emscripten",
+    target_os = "freebsd",
+    target_os = "haiku",
+    target_os = "illumos",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "redox",
+    target_os = "solaris",
+)))]
+pub const IUTF8: c::c_uint = c::IUTF8;
+
+/// `OPOST`
+#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+pub const OPOST: c::c_uint = c::OPOST;
+
+/// `OLCUC`
+#[cfg(not(any(
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "redox",
+)))]
+pub const OLCUC: c::c_uint = c::OLCUC;
+
+/// `ONLCR`
+#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+pub const ONLCR: c::c_uint = c::ONLCR;
+
+/// `OCRNL`
+#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+pub const OCRNL: c::c_uint = c::OCRNL;
+
+/// `ONOCR`
+#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+pub const ONOCR: c::c_uint = c::ONOCR;
+
+/// `ONLRET`
+#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+pub const ONLRET: c::c_uint = c::ONLRET;
+
+/// `OFILL`
+#[cfg(not(any(
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+)))]
+pub const OFILL: c::c_uint = c::OFILL;
+
+/// `OFDEL`
+#[cfg(not(any(
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+)))]
+pub const OFDEL: c::c_uint = c::OFDEL;
+
+/// `NLDLY`
+#[cfg(not(any(
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "illumos",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "redox",
+    target_os = "solaris",
+)))]
+pub const NLDLY: c::c_uint = c::NLDLY;
+
+/// `NL0`
+#[cfg(not(any(
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "fuchsia",
+    target_os = "illumos",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "redox",
+    target_os = "solaris",
+)))]
+pub const NL0: c::c_uint = c::NL0;
+
+/// `NL1`
+#[cfg(not(any(
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "fuchsia",
+    target_os = "illumos",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "redox",
+    target_os = "solaris",
+)))]
+pub const NL1: c::c_uint = c::NL1;
+
+/// `CRDLY`
+#[cfg(not(any(
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "illumos",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "redox",
+    target_os = "solaris",
+)))]
+pub const CRDLY: c::c_uint = c::CRDLY;
+
+/// `CR0`
+#[cfg(not(any(
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "fuchsia",
+    target_os = "illumos",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "redox",
+    target_os = "solaris",
+)))]
+pub const CR0: c::c_uint = c::CR0;
+
+/// `CR1`
+#[cfg(not(any(
+    target_env = "musl",
+    target_os = "dragonfly",
+    target_os = "emscripten",
+    target_os = "freebsd",
+    target_os = "fuchsia",
+    target_os = "illumos",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "redox",
+    target_os = "solaris",
+)))]
+pub const CR1: c::c_uint = c::CR1;
+
+/// `CR2`
+#[cfg(not(any(
+    target_env = "musl",
+    target_os = "dragonfly",
+    target_os = "emscripten",
+    target_os = "freebsd",
+    target_os = "fuchsia",
+    target_os = "illumos",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "redox",
+    target_os = "solaris",
+)))]
+pub const CR2: c::c_uint = c::CR2;
+
+/// `CR3`
+#[cfg(not(any(
+    target_env = "musl",
+    target_os = "dragonfly",
+    target_os = "emscripten",
+    target_os = "freebsd",
+    target_os = "fuchsia",
+    target_os = "illumos",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "redox",
+    target_os = "solaris",
+)))]
+pub const CR3: c::c_uint = c::CR3;
+
+/// `TABDLY`
+#[cfg(not(any(
+    target_os = "dragonfly",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "illumos",
+    target_os = "redox",
+    target_os = "solaris",
+)))]
+pub const TABDLY: c::c_uint = c::TABDLY;
+
+/// `TAB0`
+#[cfg(not(any(
+    target_os = "dragonfly",
+    target_os = "fuchsia",
+    target_os = "illumos",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "redox",
+    target_os = "solaris",
+)))]
+pub const TAB0: c::c_uint = c::TAB0;
+
+/// `TAB1`
+#[cfg(not(any(
+    target_env = "musl",
+    target_os = "dragonfly",
+    target_os = "emscripten",
+    target_os = "freebsd",
+    target_os = "fuchsia",
+    target_os = "illumos",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "redox",
+    target_os = "solaris",
+)))]
+pub const TAB1: c::c_uint = c::TAB1;
+
+/// `TAB2`
+#[cfg(not(any(
+    target_env = "musl",
+    target_os = "dragonfly",
+    target_os = "emscripten",
+    target_os = "freebsd",
+    target_os = "fuchsia",
+    target_os = "illumos",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "redox",
+    target_os = "solaris",
+)))]
+pub const TAB2: c::c_uint = c::TAB2;
+
+/// `TAB3`
+#[cfg(not(any(
+    target_env = "musl",
+    target_os = "dragonfly",
+    target_os = "emscripten",
+    target_os = "fuchsia",
+    target_os = "illumos",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "redox",
+    target_os = "solaris",
+)))]
+pub const TAB3: c::c_uint = c::TAB3;
+
+/// `BSDLY`
+#[cfg(not(any(
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "illumos",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "redox",
+    target_os = "solaris",
+)))]
+pub const BSDLY: c::c_uint = c::BSDLY;
+
+/// `BS0`
+#[cfg(not(any(
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "fuchsia",
+    target_os = "illumos",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "redox",
+    target_os = "solaris",
+)))]
+pub const BS0: c::c_uint = c::BS0;
+
+/// `BS1`
+#[cfg(not(any(
+    target_env = "musl",
+    target_os = "emscripten",
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "fuchsia",
+    target_os = "illumos",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "redox",
+    target_os = "solaris",
+)))]
+pub const BS1: c::c_uint = c::BS1;
+
+/// `FFDLY`
+#[cfg(not(any(
+    target_env = "musl",
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "illumos",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "redox",
+    target_os = "solaris",
+)))]
+pub const FFDLY: c::c_uint = c::FFDLY;
+
+/// `FF0`
+#[cfg(not(any(
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "fuchsia",
+    target_os = "illumos",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "redox",
+    target_os = "solaris",
+)))]
+pub const FF0: c::c_uint = c::FF0;
+
+/// `FF1`
+#[cfg(not(any(
+    target_env = "musl",
+    target_os = "dragonfly",
+    target_os = "emscripten",
+    target_os = "freebsd",
+    target_os = "fuchsia",
+    target_os = "illumos",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "redox",
+    target_os = "solaris",
+)))]
+pub const FF1: c::c_uint = c::FF1;
+
+/// `VTDLY`
+#[cfg(not(any(
+    target_env = "musl",
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "illumos",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "redox",
+    target_os = "solaris",
+)))]
+pub const VTDLY: c::c_uint = c::VTDLY;
+
+/// `VT0`
+#[cfg(not(any(
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "fuchsia",
+    target_os = "illumos",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "redox",
+    target_os = "solaris",
+)))]
+pub const VT0: c::c_uint = c::VT0;
+
+/// `VT1`
+#[cfg(not(any(
+    target_env = "musl",
+    target_os = "dragonfly",
+    target_os = "emscripten",
+    target_os = "freebsd",
+    target_os = "fuchsia",
+    target_os = "illumos",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "redox",
+    target_os = "solaris",
+)))]
+pub const VT1: c::c_uint = c::VT1;
+
+/// `B0`
+pub const B0: Speed = c::B0;
+
+/// `B50`
+pub const B50: Speed = c::B50;
+
+/// `B75`
+pub const B75: Speed = c::B75;
+
+/// `B110`
+pub const B110: Speed = c::B110;
+
+/// `B134`
+pub const B134: Speed = c::B134;
+
+/// `B150`
+pub const B150: Speed = c::B150;
+
+/// `B200`
+pub const B200: Speed = c::B200;
+
+/// `B300`
+pub const B300: Speed = c::B300;
+
+/// `B600`
+pub const B600: Speed = c::B600;
+
+/// `B1200`
+pub const B1200: Speed = c::B1200;
+
+/// `B1800`
+pub const B1800: Speed = c::B1800;
+
+/// `B2400`
+pub const B2400: Speed = c::B2400;
+
+/// `B4800`
+pub const B4800: Speed = c::B4800;
+
+/// `B9600`
+pub const B9600: Speed = c::B9600;
+
+/// `B19200`
+pub const B19200: Speed = c::B19200;
+
+/// `B38400`
+pub const B38400: Speed = c::B38400;
+
+/// `B57600`
+pub const B57600: Speed = c::B57600;
+
+/// `B115200`
+pub const B115200: Speed = c::B115200;
+
+/// `B230400`
+pub const B230400: Speed = c::B230400;
+
+/// `B460800`
+#[cfg(not(any(
+    target_os = "dragonfly",
+    target_os = "haiku",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "openbsd"
+)))]
+pub const B460800: Speed = c::B460800;
+
+/// `B500000`
+#[cfg(not(any(
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "haiku",
+    target_os = "illumos",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "solaris",
+)))]
+pub const B500000: Speed = c::B500000;
+
+/// `B576000`
+#[cfg(not(any(
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "haiku",
+    target_os = "illumos",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "solaris",
+)))]
+pub const B576000: Speed = c::B576000;
+
+/// `B921600`
+#[cfg(not(any(
+    target_os = "dragonfly",
+    target_os = "haiku",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "openbsd"
+)))]
+pub const B921600: Speed = c::B921600;
+
+/// `B1000000`
+#[cfg(not(any(
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "haiku",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "solaris",
+)))]
+pub const B1000000: Speed = c::B1000000;
+
+/// `B1152000`
+#[cfg(not(any(
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "haiku",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "solaris",
+)))]
+pub const B1152000: Speed = c::B1152000;
+
+/// `B1500000`
+#[cfg(not(any(
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "haiku",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "solaris",
+)))]
+pub const B1500000: Speed = c::B1500000;
+
+/// `B2000000`
+#[cfg(not(any(
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "haiku",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "solaris",
+)))]
+pub const B2000000: Speed = c::B2000000;
+
+/// `B2500000`
+#[cfg(not(any(
+    target_arch = "sparc",
+    target_arch = "sparc64",
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "haiku",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "solaris",
+)))]
+pub const B2500000: Speed = c::B2500000;
+
+/// `B3000000`
+#[cfg(not(any(
+    target_arch = "sparc",
+    target_arch = "sparc64",
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "haiku",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "solaris",
+)))]
+pub const B3000000: Speed = c::B3000000;
+
+/// `B3500000`
+#[cfg(not(any(
+    target_arch = "sparc",
+    target_arch = "sparc64",
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "haiku",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "solaris",
+)))]
+pub const B3500000: Speed = c::B3500000;
+
+/// `B4000000`
+#[cfg(not(any(
+    target_arch = "sparc",
+    target_arch = "sparc64",
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "haiku",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "solaris",
+)))]
+pub const B4000000: Speed = c::B4000000;
+
+/// `CSIZE`
+#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+pub const CSIZE: c::c_uint = c::CSIZE;
+
+/// `CS5`
+#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+pub const CS5: c::c_uint = c::CS5;
+
+/// `CS6`
+#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+pub const CS6: c::c_uint = c::CS6;
+
+/// `CS7`
+#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+pub const CS7: c::c_uint = c::CS7;
+
+/// `CS8`
+#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+pub const CS8: c::c_uint = c::CS8;
+
+/// `CSTOPB`
+#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+pub const CSTOPB: c::c_uint = c::CSTOPB;
+
+/// `CREAD`
+#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+pub const CREAD: c::c_uint = c::CREAD;
+
+/// `PARENB`
+#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+pub const PARENB: c::c_uint = c::PARENB;
+
+/// `PARODD`
+#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+pub const PARODD: c::c_uint = c::PARODD;
+
+/// `HUPCL`
+#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+pub const HUPCL: c::c_uint = c::HUPCL;
+
+/// `CLOCAL`
+#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+pub const CLOCAL: c::c_uint = c::CLOCAL;
+
+/// `ISIG`
+#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+pub const ISIG: c::c_uint = c::ISIG;
+
+/// `ICANON`—A flag for the `c_lflag` field of [`Termios`] indicating
+/// canonical mode.
+pub const ICANON: Tcflag = c::ICANON;
+
+/// `ECHO`
+#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+pub const ECHO: c::c_uint = c::ECHO;
+
+/// `ECHOE`
+#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+pub const ECHOE: c::c_uint = c::ECHOE;
+
+/// `ECHOK`
+#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+pub const ECHOK: c::c_uint = c::ECHOK;
+
+/// `ECHONL`
+#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+pub const ECHONL: c::c_uint = c::ECHONL;
+
+/// `NOFLSH`
+#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+pub const NOFLSH: c::c_uint = c::NOFLSH;
+
+/// `TOSTOP`
+#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+pub const TOSTOP: c::c_uint = c::TOSTOP;
+
+/// `IEXTEN`
+#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+pub const IEXTEN: c::c_uint = c::IEXTEN;
+
+/// `EXTA`
+#[cfg(not(any(
+    target_os = "emscripten",
+    target_os = "haiku",
+    target_os = "illumos",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "redox",
+    target_os = "solaris",
+)))]
+pub const EXTA: c::c_uint = c::EXTA;
+
+/// `EXTB`
+#[cfg(not(any(
+    target_os = "emscripten",
+    target_os = "haiku",
+    target_os = "illumos",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "redox",
+    target_os = "solaris",
+)))]
+pub const EXTB: c::c_uint = c::EXTB;
+
+/// `CBAUD`
+#[cfg(not(any(
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "haiku",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "redox",
+)))]
+pub const CBAUD: c::c_uint = c::CBAUD;
+
+/// `CBAUDEX`
+#[cfg(not(any(
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "haiku",
+    target_os = "illumos",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "redox",
+    target_os = "solaris",
+)))]
+pub const CBAUDEX: c::c_uint = c::CBAUDEX;
+
+/// `CIBAUD`
+#[cfg(not(any(
+    target_os = "dragonfly",
+    target_os = "emscripten",
+    target_os = "freebsd",
+    target_os = "haiku",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "redox",
+    target_arch = "powerpc",
+    target_arch = "powerpc64",
+)))]
+pub const CIBAUD: c::tcflag_t = c::CIBAUD;
+
+/// `CIBAUD`
+// TODO: Upstream this.
+#[cfg(any(target_arch = "powerpc", target_arch = "powerpc64"))]
+pub const CIBAUD: c::tcflag_t = 0o77600000;
+
+/// `CMSPAR`
+#[cfg(not(any(
+    target_os = "dragonfly",
+    target_os = "emscripten",
+    target_os = "freebsd",
+    target_os = "haiku",
+    target_os = "illumos",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "redox",
+    target_os = "solaris",
+)))]
+pub const CMSPAR: c::c_uint = c::CMSPAR;
+
+/// `CRTSCTS`
+#[cfg(not(any(target_os = "ios", target_os = "macos", target_os = "redox")))]
+pub const CRTSCTS: c::c_uint = c::CRTSCTS;
+
+/// `XCASE`
+#[cfg(any(target_arch = "s390x", target_os = "haiku"))]
+pub const XCASE: c::c_uint = c::XCASE;
+
+/// `ECHOCTL`
+#[cfg(not(any(target_os = "ios", target_os = "macos", target_os = "redox")))]
+pub const ECHOCTL: c::c_uint = c::ECHOCTL;
+
+/// `ECHOPRT`
+#[cfg(not(any(target_os = "ios", target_os = "macos", target_os = "redox")))]
+pub const ECHOPRT: c::c_uint = c::ECHOPRT;
+
+/// `ECHOKE`
+#[cfg(not(any(target_os = "ios", target_os = "macos", target_os = "redox")))]
+pub const ECHOKE: c::c_uint = c::ECHOKE;
+
+/// `FLUSHO`
+#[cfg(not(any(target_os = "ios", target_os = "macos", target_os = "redox")))]
+pub const FLUSHO: c::c_uint = c::FLUSHO;
+
+/// `PENDIN`
+#[cfg(not(any(target_os = "ios", target_os = "macos", target_os = "redox")))]
+pub const PENDIN: c::c_uint = c::PENDIN;
+
+/// `EXTPROC`
+#[cfg(not(any(
+    target_os = "haiku",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "redox"
+)))]
+pub const EXTPROC: c::c_uint = c::EXTPROC;
+
+/// `XTABS`
+#[cfg(not(any(
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "haiku",
+    target_os = "illumos",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "redox",
+    target_os = "solaris",
+)))]
+pub const XTABS: c::c_uint = c::XTABS;