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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/fs/fd.rs
parent3d48cd3f81164bbfc1a755dc1d4a9a02f98c8ddd (diff)
downloadfparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.tar.xz
fparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.zip
Deleted vendor folder
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diff --git a/vendor/rustix/src/fs/fd.rs b/vendor/rustix/src/fs/fd.rs
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-//! Functions which operate on file descriptors.
-
-#[cfg(not(target_os = "wasi"))]
-use crate::fs::Mode;
-#[cfg(not(target_os = "wasi"))]
-use crate::fs::{Gid, Uid};
-use crate::fs::{OFlags, SeekFrom, Timespec};
-use crate::{backend, io};
-use backend::fd::{AsFd, BorrowedFd};
-#[cfg(not(any(
- netbsdlike,
- solarish,
- target_os = "aix",
- target_os = "dragonfly",
- target_os = "espidf",
- target_os = "nto",
- target_os = "redox",
- target_os = "vita",
-)))]
-use backend::fs::types::FallocateFlags;
-#[cfg(not(any(
- target_os = "espidf",
- target_os = "solaris",
- target_os = "vita",
- target_os = "wasi"
-)))]
-use backend::fs::types::FlockOperation;
-#[cfg(linux_kernel)]
-use backend::fs::types::FsWord;
-use backend::fs::types::Stat;
-#[cfg(not(any(
- solarish,
- target_os = "espidf",
- target_os = "haiku",
- target_os = "netbsd",
- target_os = "nto",
- target_os = "redox",
- target_os = "vita",
- target_os = "wasi",
-)))]
-use backend::fs::types::StatFs;
-#[cfg(not(any(target_os = "haiku", target_os = "redox", target_os = "wasi")))]
-use backend::fs::types::StatVfs;
-
-/// Timestamps used by [`utimensat`] and [`futimens`].
-///
-/// [`utimensat`]: crate::fs::utimensat
-/// [`futimens`]: crate::fs::futimens
-// This is `repr(C)` and specifically laid out to match the representation used
-// by `utimensat` and `futimens`, which expect 2-element arrays of timestamps.
-#[repr(C)]
-#[derive(Clone, Debug)]
-pub struct Timestamps {
- /// The timestamp of the last access to a filesystem object.
- pub last_access: Timespec,
-
- /// The timestamp of the last modification of a filesystem object.
- pub last_modification: Timespec,
-}
-
-/// The filesystem magic number for procfs.
-///
-/// See [the `fstatfs` manual page] for more information.
-///
-/// [the `fstatfs` manual page]: https://man7.org/linux/man-pages/man2/fstatfs.2.html#DESCRIPTION
-#[cfg(linux_kernel)]
-pub const PROC_SUPER_MAGIC: FsWord = backend::c::PROC_SUPER_MAGIC as FsWord;
-
-/// The filesystem magic number for NFS.
-///
-/// See [the `fstatfs` manual page] for more information.
-///
-/// [the `fstatfs` manual page]: https://man7.org/linux/man-pages/man2/fstatfs.2.html#DESCRIPTION
-#[cfg(linux_kernel)]
-pub const NFS_SUPER_MAGIC: FsWord = backend::c::NFS_SUPER_MAGIC as FsWord;
-
-/// `lseek(fd, offset, whence)`—Repositions a file descriptor within a file.
-///
-/// # References
-/// - [POSIX]
-/// - [Linux]
-///
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/lseek.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/lseek.2.html
-#[inline]
-#[doc(alias = "lseek")]
-pub fn seek<Fd: AsFd>(fd: Fd, pos: SeekFrom) -> io::Result<u64> {
- backend::fs::syscalls::seek(fd.as_fd(), pos)
-}
-
-/// `lseek(fd, 0, SEEK_CUR)`—Returns the current position within a file.
-///
-/// Return the current position of the file descriptor. This is a subset of
-/// the functionality of `seek`, but this interface makes it easier for users
-/// to declare their intent not to mutate any state.
-///
-/// # References
-/// - [POSIX]
-/// - [Linux]
-///
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/lseek.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/lseek.2.html
-#[inline]
-#[doc(alias = "lseek")]
-pub fn tell<Fd: AsFd>(fd: Fd) -> io::Result<u64> {
- backend::fs::syscalls::tell(fd.as_fd())
-}
-
-/// `fchmod(fd, mode)`—Sets open file or directory permissions.
-///
-/// This implementation does not support [`OFlags::PATH`] file descriptors,
-/// even on platforms where the host libc emulates it.
-///
-/// # References
-/// - [POSIX]
-/// - [Linux]
-///
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/fchmod.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/fchmod.2.html
-#[cfg(not(target_os = "wasi"))]
-#[inline]
-pub fn fchmod<Fd: AsFd>(fd: Fd, mode: Mode) -> io::Result<()> {
- backend::fs::syscalls::fchmod(fd.as_fd(), mode)
-}
-
-/// `fchown(fd, owner, group)`—Sets open file or directory ownership.
-///
-/// # References
-/// - [POSIX]
-/// - [Linux]
-///
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/fchown.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/fchown.2.html
-#[cfg(not(target_os = "wasi"))]
-#[inline]
-pub fn fchown<Fd: AsFd>(fd: Fd, owner: Option<Uid>, group: Option<Gid>) -> io::Result<()> {
- backend::fs::syscalls::fchown(fd.as_fd(), owner, group)
-}
-
-/// `fstat(fd)`—Queries metadata for an open file or directory.
-///
-/// [`Mode::from_raw_mode`] and [`FileType::from_raw_mode`] may be used to
-/// interpret the `st_mode` field.
-///
-/// # References
-/// - [POSIX]
-/// - [Linux]
-///
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/fstat.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/fstat.2.html
-/// [`Mode::from_raw_mode`]: Mode::from_raw_mode
-/// [`FileType::from_raw_mode`]: crate::fs::FileType::from_raw_mode
-#[inline]
-pub fn fstat<Fd: AsFd>(fd: Fd) -> io::Result<Stat> {
- backend::fs::syscalls::fstat(fd.as_fd())
-}
-
-/// `fstatfs(fd)`—Queries filesystem statistics for an open file or directory.
-///
-/// Compared to [`fstatvfs`], this function often provides more information,
-/// though it's less portable.
-///
-/// # References
-/// - [Linux]
-///
-/// [Linux]: https://man7.org/linux/man-pages/man2/fstatfs.2.html
-#[cfg(not(any(
- solarish,
- target_os = "espidf",
- target_os = "haiku",
- target_os = "netbsd",
- target_os = "nto",
- target_os = "redox",
- target_os = "vita",
- target_os = "wasi",
-)))]
-#[inline]
-pub fn fstatfs<Fd: AsFd>(fd: Fd) -> io::Result<StatFs> {
- backend::fs::syscalls::fstatfs(fd.as_fd())
-}
-
-/// `fstatvfs(fd)`—Queries filesystem statistics for an open file or
-/// directory, POSIX version.
-///
-/// Compared to [`fstatfs`], this function often provides less information,
-/// but it is more portable. But even so, filesystems are very diverse and not
-/// all the fields are meaningful for every filesystem. And `f_fsid` doesn't
-/// seem to have a clear meaning anywhere.
-///
-/// # References
-/// - [POSIX]
-/// - [Linux]
-///
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/fstatvfs.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/fstatvfs.2.html
-#[cfg(not(any(target_os = "haiku", target_os = "redox", target_os = "wasi")))]
-#[inline]
-pub fn fstatvfs<Fd: AsFd>(fd: Fd) -> io::Result<StatVfs> {
- backend::fs::syscalls::fstatvfs(fd.as_fd())
-}
-
-/// `futimens(fd, times)`—Sets timestamps for an open file or directory.
-///
-/// # References
-/// - [POSIX]
-/// - [Linux]
-///
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/futimens.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/utimensat.2.html
-#[cfg(not(any(target_os = "espidf", target_os = "vita")))]
-#[inline]
-pub fn futimens<Fd: AsFd>(fd: Fd, times: &Timestamps) -> io::Result<()> {
- backend::fs::syscalls::futimens(fd.as_fd(), times)
-}
-
-/// `fallocate(fd, mode, offset, len)`—Adjusts file allocation.
-///
-/// This is a more general form of `posix_fallocate`, adding a `mode` argument
-/// which modifies the behavior. On platforms which only support
-/// `posix_fallocate` and not the more general form, no `FallocateFlags` values
-/// are defined so it will always be empty.
-///
-/// # References
-/// - [POSIX]
-/// - [Linux `fallocate`]
-/// - [Linux `posix_fallocate`]
-///
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/posix_fallocate.html
-/// [Linux `fallocate`]: https://man7.org/linux/man-pages/man2/fallocate.2.html
-/// [Linux `posix_fallocate`]: https://man7.org/linux/man-pages/man3/posix_fallocate.3.html
-#[cfg(not(any(
- netbsdlike,
- solarish,
- target_os = "aix",
- target_os = "dragonfly",
- target_os = "espidf",
- target_os = "nto",
- target_os = "redox",
- target_os = "vita",
-)))] // not implemented in libc for netbsd yet
-#[inline]
-#[doc(alias = "posix_fallocate")]
-pub fn fallocate<Fd: AsFd>(fd: Fd, mode: FallocateFlags, offset: u64, len: u64) -> io::Result<()> {
- backend::fs::syscalls::fallocate(fd.as_fd(), mode, offset, len)
-}
-
-/// `fcntl(fd, F_GETFL) & O_ACCMODE`
-///
-/// Returns a pair of booleans indicating whether the file descriptor is
-/// readable and/or writable, respectively. This is only reliable on files; for
-/// example, it doesn't reflect whether sockets have been shut down; for
-/// general I/O handle support, use [`io::is_read_write`].
-#[inline]
-pub fn is_file_read_write<Fd: AsFd>(fd: Fd) -> io::Result<(bool, bool)> {
- _is_file_read_write(fd.as_fd())
-}
-
-pub(crate) fn _is_file_read_write(fd: BorrowedFd<'_>) -> io::Result<(bool, bool)> {
- let mode = backend::fs::syscalls::fcntl_getfl(fd)?;
-
- // Check for `O_PATH`.
- #[cfg(any(linux_kernel, target_os = "emscripten", target_os = "fuchsia"))]
- if mode.contains(OFlags::PATH) {
- return Ok((false, false));
- }
-
- // Use `RWMODE` rather than `ACCMODE` as `ACCMODE` may include `O_PATH`.
- // We handled `O_PATH` above.
- match mode & OFlags::RWMODE {
- OFlags::RDONLY => Ok((true, false)),
- OFlags::RDWR => Ok((true, true)),
- OFlags::WRONLY => Ok((false, true)),
- _ => unreachable!(),
- }
-}
-
-/// `fsync(fd)`—Ensures that file data and metadata is written to the
-/// underlying storage device.
-///
-/// On iOS and macOS this isn't sufficient to ensure that data has reached
-/// persistent storage; use [`fcntl_fullfsync`] to ensure that.
-///
-/// # References
-/// - [POSIX]
-/// - [Linux]
-///
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/fsync.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/fsync.2.html
-/// [`fcntl_fullfsync`]: https://docs.rs/rustix/*/x86_64-apple-darwin/rustix/fs/fn.fcntl_fullfsync.html
-#[inline]
-pub fn fsync<Fd: AsFd>(fd: Fd) -> io::Result<()> {
- backend::fs::syscalls::fsync(fd.as_fd())
-}
-
-/// `fdatasync(fd)`—Ensures that file data is written to the underlying
-/// storage device.
-///
-/// # References
-/// - [POSIX]
-/// - [Linux]
-///
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/fdatasync.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/fdatasync.2.html
-#[cfg(not(any(
- apple,
- target_os = "dragonfly",
- target_os = "espidf",
- target_os = "haiku",
- target_os = "redox",
- target_os = "vita",
-)))]
-#[inline]
-pub fn fdatasync<Fd: AsFd>(fd: Fd) -> io::Result<()> {
- backend::fs::syscalls::fdatasync(fd.as_fd())
-}
-
-/// `ftruncate(fd, length)`—Sets the length of a file.
-///
-/// # References
-/// - [POSIX]
-/// - [Linux]
-///
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/ftruncate.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/ftruncate.2.html
-#[inline]
-pub fn ftruncate<Fd: AsFd>(fd: Fd, length: u64) -> io::Result<()> {
- backend::fs::syscalls::ftruncate(fd.as_fd(), length)
-}
-
-/// `flock(fd, operation)`—Acquire or release an advisory lock on an open file.
-///
-/// # References
-/// - [Linux]
-///
-/// [Linux]: https://man7.org/linux/man-pages/man2/flock.2.html
-#[cfg(not(any(
- target_os = "espidf",
- target_os = "solaris",
- target_os = "vita",
- target_os = "wasi"
-)))]
-#[inline]
-pub fn flock<Fd: AsFd>(fd: Fd, operation: FlockOperation) -> io::Result<()> {
- backend::fs::syscalls::flock(fd.as_fd(), operation)
-}
-
-/// `syncfs(fd)`—Flush cached filesystem data.
-///
-/// # References
-/// - [Linux]
-///
-/// [Linux]: https://man7.org/linux/man-pages/man2/syncfs.2.html
-#[cfg(linux_kernel)]
-#[inline]
-pub fn syncfs<Fd: AsFd>(fd: Fd) -> io::Result<()> {
- backend::fs::syscalls::syncfs(fd.as_fd())
-}