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authorValentin Popov <valentin@popov.link>2024-07-19 15:37:58 +0300
committerValentin Popov <valentin@popov.link>2024-07-19 15:37:58 +0300
commita990de90fe41456a23e58bd087d2f107d321f3a1 (patch)
tree15afc392522a9e85dc3332235e311b7d39352ea9 /vendor/rustix/src/io/close.rs
parent3d48cd3f81164bbfc1a755dc1d4a9a02f98c8ddd (diff)
downloadfparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.tar.xz
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-//! The unsafe `close` for raw file descriptors.
-//!
-//! # Safety
-//!
-//! Operating on raw file descriptors is unsafe.
-#![allow(unsafe_code)]
-
-use crate::backend;
-use backend::fd::RawFd;
-
-/// `close(raw_fd)`—Closes a `RawFd` directly.
-///
-/// Most users won't need to use this, as `OwnedFd` automatically closes its
-/// file descriptor on `Drop`.
-///
-/// This function does not return a `Result`, as it is the [responsibility] of
-/// filesystem designers to not return errors from `close`. Users who chose to
-/// use NFS or similar filesystems should take care to monitor for problems
-/// externally.
-///
-/// [responsibility]: https://lwn.net/Articles/576518/
-///
-/// # References
-/// - [Beej's Guide to Network Programming]
-/// - [POSIX]
-/// - [Linux]
-/// - [Apple]
-/// - [Winsock]
-/// - [FreeBSD]
-/// - [NetBSD]
-/// - [OpenBSD]
-/// - [DragonFly BSD]
-/// - [illumos]
-/// - [glibc]
-///
-/// [Beej's Guide to Network Programming]: https://beej.us/guide/bgnet/html/split/system-calls-or-bust.html#close-and-shutdownget-outta-my-face
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/close.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/close.2.html
-/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/close.2.html#//apple_ref/doc/man/2/close
-/// [Winsock]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-closesocket
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=close&sektion=2
-/// [NetBSD]: https://man.netbsd.org/close.2
-/// [OpenBSD]: https://man.openbsd.org/close.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=close&section=2
-/// [illumos]: https://illumos.org/man/2/close
-/// [glibc]: https://www.gnu.org/software/libc/manual/html_node/Opening-and-Closing-Files.html#index-close
-///
-/// # Safety
-///
-/// This function takes a `RawFd`, which must be valid before the call, and is
-/// not valid after the call.
-#[inline]
-pub unsafe fn close(raw_fd: RawFd) {
- backend::io::syscalls::close(raw_fd)
-}