| //! 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 { |
| (&0u32) as *const u32 as *mut c::c_void |
| } |
| |
| unsafe fn output_from_ptr( |
| _: ioctl::IoctlOutput, |
| _: *mut c::c_void, |
| ) -> io::Result<Self::Output> { |
| Ok(()) |
| } |
| } |