diff options
Diffstat (limited to 'vendor/rustix/src/termios/ioctl.rs')
-rw-r--r-- | vendor/rustix/src/termios/ioctl.rs | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/vendor/rustix/src/termios/ioctl.rs b/vendor/rustix/src/termios/ioctl.rs new file mode 100644 index 0000000..620ae4c --- /dev/null +++ b/vendor/rustix/src/termios/ioctl.rs @@ -0,0 +1,53 @@ +//! 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. +/// +/// # 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 = "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::<ioctl::BadOpcode<{ 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 = "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::<ioctl::BadOpcode<{ c::TIOCNXCL as _ }>>::new(); + ioctl::ioctl(fd, ctl) + } +} |