1 use crate::{backend, io};
2 use backend::fd::AsFd;
3
4 /// `fcntl(fd, F_RDADVISE, radvisory { offset, len })`
5 ///
6 /// # References
7 /// - [Apple]
8 ///
9 /// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/fcntl.2.html
10 #[doc(alias = "F_RDADVISE")]
11 #[inline]
fcntl_rdadvise<Fd: AsFd>(fd: Fd, offset: u64, len: u64) -> io::Result<()>12 pub fn fcntl_rdadvise<Fd: AsFd>(fd: Fd, offset: u64, len: u64) -> io::Result<()> {
13 backend::fs::syscalls::fcntl_rdadvise(fd.as_fd(), offset, len)
14 }
15
16 /// `fcntl(fd, F_FULLFSYNC)`
17 ///
18 /// # References
19 /// - [Apple]
20 ///
21 /// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/fcntl.2.html
22 #[doc(alias = "F_FULLSYNC")]
23 #[inline]
fcntl_fullfsync<Fd: AsFd>(fd: Fd) -> io::Result<()>24 pub fn fcntl_fullfsync<Fd: AsFd>(fd: Fd) -> io::Result<()> {
25 backend::fs::syscalls::fcntl_fullfsync(fd.as_fd())
26 }
27
28 /// `fcntl(fd, F_NOCACHE, value)`—Turn data caching off or on for a file
29 /// descriptor.
30 ///
31 /// See [this mailing list post] for additional information about the meanings
32 /// of `F_NOCACHE` and `F_GLOBAL_NOCACHE`.
33 ///
34 /// [this mailing list post]: https://lists.apple.com/archives/filesystem-dev/2007/Sep/msg00010.html
35 ///
36 /// See also [`fcntl_global_nocache`].
37 ///
38 /// # References
39 /// - [Apple]
40 ///
41 /// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/fcntl.2.html
42 #[doc(alias = "F_NOCACHE")]
43 #[inline]
fcntl_nocache<Fd: AsFd>(fd: Fd, value: bool) -> io::Result<()>44 pub fn fcntl_nocache<Fd: AsFd>(fd: Fd, value: bool) -> io::Result<()> {
45 backend::fs::syscalls::fcntl_nocache(fd.as_fd(), value)
46 }
47
48 /// `fcntl(fd, F_GLOBAL_NOCACHE, value)`—Turn data caching off or on for all
49 /// file descriptors.
50 ///
51 /// See [this mailing list post] for additional information about the meanings
52 /// of `F_NOCACHE` and `F_GLOBAL_NOCACHE`.
53 ///
54 /// [this mailing list post]: https://lists.apple.com/archives/filesystem-dev/2007/Sep/msg00010.html
55 ///
56 /// See also [`fcntl_nocache`].
57 ///
58 /// # References
59 /// - [Apple]
60 ///
61 /// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/fcntl.2.html
62 #[doc(alias = "F_GLOBAL_NOCACHE")]
63 #[inline]
fcntl_global_nocache<Fd: AsFd>(fd: Fd, value: bool) -> io::Result<()>64 pub fn fcntl_global_nocache<Fd: AsFd>(fd: Fd, value: bool) -> io::Result<()> {
65 backend::fs::syscalls::fcntl_global_nocache(fd.as_fd(), value)
66 }
67