//! 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)
}
}
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