1 //! Process-oriented `ioctl`s.
2 //!
3 //! # Safety
4 //!
5 //! This module invokes `ioctl`s.
6
7 #![allow(unsafe_code)]
8
9 use crate::{backend, io, ioctl};
10 use backend::c;
11 use backend::fd::AsFd;
12
13 /// `ioctl(fd, TIOCSCTTY, 0)`—Sets the controlling terminal for the process.
14 ///
15 /// # References
16 /// - [Linux]
17 /// - [FreeBSD]
18 /// - [NetBSD]
19 /// - [OpenBSD]
20 ///
21 /// [Linux]: https://man7.org/linux/man-pages/man4/tty_ioctl.4.html
22 /// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=tty&sektion=4
23 /// [NetBSD]: https://man.netbsd.org/tty.4
24 /// [OpenBSD]: https://man.openbsd.org/tty.4
25 #[cfg(not(any(windows, target_os = "aix", target_os = "redox", target_os = "wasi")))]
26 #[inline]
27 #[doc(alias = "TIOCSCTTY")]
ioctl_tiocsctty<Fd: AsFd>(fd: Fd) -> io::Result<()>28 pub fn ioctl_tiocsctty<Fd: AsFd>(fd: Fd) -> io::Result<()> {
29 unsafe { ioctl::ioctl(fd, Tiocsctty) }
30 }
31
32 #[cfg(not(any(windows, target_os = "aix", target_os = "redox", target_os = "wasi")))]
33 struct Tiocsctty;
34
35 #[cfg(not(any(windows, target_os = "aix", target_os = "redox", target_os = "wasi")))]
36 unsafe impl ioctl::Ioctl for Tiocsctty {
37 type Output = ();
38
39 const IS_MUTATING: bool = false;
40 const OPCODE: ioctl::Opcode = ioctl::Opcode::old(c::TIOCSCTTY as ioctl::RawOpcode);
41
as_ptr(&mut self) -> *mut c::c_void42 fn as_ptr(&mut self) -> *mut c::c_void {
43 (&0u32) as *const u32 as *mut c::c_void
44 }
45
output_from_ptr( _: ioctl::IoctlOutput, _: *mut c::c_void, ) -> io::Result<Self::Output>46 unsafe fn output_from_ptr(
47 _: ioctl::IoctlOutput,
48 _: *mut c::c_void,
49 ) -> io::Result<Self::Output> {
50 Ok(())
51 }
52 }
53