1 files changed, 66 insertions, 0 deletions
diff --git a/vendor/rustix/src/termios/ioctl.rs b/vendor/rustix/src/termios/ioctl.rs
new file mode 100644
index 00000000..22945566
--- /dev/null
+++ b/vendor/rustix/src/termios/ioctl.rs
@@ -0,0 +1,66 @@
+//! Terminal-related `ioctl` functions.
+
+#![allow(unsafe_code)]
+
+use crate::fd::AsFd;
+use crate::{backend, io, ioctl};
+use backend::c;
+
+/// `ioctl(fd, TIOCEXCL)`—Enables exclusive mode on a terminal.
+///
+/// In exclusive mode, subsequent unprivileged `open` calls on the terminal
+/// device fail with [`io::Errno::BUSY`].
+///
+/// # References
+///  - [Linux]
+///  - [FreeBSD]
+///  - [NetBSD]
+///  - [OpenBSD]
+///
+/// [Linux]: https://man7.org/linux/man-pages/man4/tty_ioctl.4.html
+/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=tty&sektion=4
+/// [NetBSD]: https://man.netbsd.org/tty.4
+/// [OpenBSD]: https://man.openbsd.org/tty.4
+#[cfg(not(any(
+    windows,
+    target_os = "horizon",
+    target_os = "redox",
+    target_os = "wasi"
+)))]
+#[inline]
+#[doc(alias = "TIOCEXCL")]
+pub fn ioctl_tiocexcl<Fd: AsFd>(fd: Fd) -> io::Result<()> {
+    // SAFETY: `TIOCEXCL` is a no-argument setter opcode.
+    unsafe {
+        let ctl = ioctl::NoArg::<{ c::TIOCEXCL as _ }>::new();
+        ioctl::ioctl(fd, ctl)
+    }
+}
+
+/// `ioctl(fd, TIOCNXCL)`—Disables exclusive mode on a terminal.
+///
+/// # References
+///  - [Linux]
+///  - [FreeBSD]
+///  - [NetBSD]
+///  - [OpenBSD]
+///
+/// [Linux]: https://man7.org/linux/man-pages/man4/tty_ioctl.4.html
+/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=tty&sektion=4
+/// [NetBSD]: https://man.netbsd.org/tty.4
+/// [OpenBSD]: https://man.openbsd.org/tty.4
+#[cfg(not(any(
+    windows,
+    target_os = "horizon",
+    target_os = "redox",
+    target_os = "wasi"
+)))]
+#[inline]
+#[doc(alias = "TIOCNXCL")]
+pub fn ioctl_tiocnxcl<Fd: AsFd>(fd: Fd) -> io::Result<()> {
+    // SAFETY: `TIOCNXCL` is a no-argument setter opcode.
+    unsafe {
+        let ctl = ioctl::NoArg::<{ c::TIOCNXCL as _ }>::new();
+        ioctl::ioctl(fd, ctl)
+    }
+}