//! Process-oriented `ioctl`s.
//!
//! # Safety
//!
//! This module invokes `ioctl`s.
#! [allow(unsafe_code)]
use crate ::{backend, io, ioctl};
use backend::c;
use backend::fd::AsFd;
/// `ioctl(fd, TIOCSCTTY, 0)`—Sets the controlling terminal for the process.
///
/// # 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 =
"aix" , target_os =
"redox" , target_os =
"wasi" )))]
#[ inline]
#[ doc(alias =
"TIOCSCTTY" )]
pub fn ioctl_tiocsctty<Fd: AsFd>(fd: Fd) -> io::Result<()> {
unsafe { ioctl::ioctl(fd, Tiocsctty) }
}
#[ cfg(not(any(windows, target_os =
"aix" , target_os =
"redox" , target_os =
"wasi" )))]
struct Tiocsctty;
#[ cfg(not(any(windows, target_os =
"aix" , target_os =
"redox" , target_os =
"wasi" )))]
unsafe impl ioctl::Ioctl
for Tiocsctty {
type Output = ();
const IS_MUTATING: bool =
false ;
const OPCODE: ioctl::Opcode = ioctl::Opcode::old(c::TIOCSCTTY
as ioctl::RawOpcode);
fn as_ptr(&
mut self ) -> *
mut c::c_void {
(&
0 u32)
as *
const u32
as *
mut c::c_void
}
unsafe fn output_from_ptr(
_: ioctl::IoctlOutput,
_: *
mut c::c_void,
) -> io::Result<
Self ::Output> {
Ok(())
}
}
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