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alnyan/yggdrasil: fsync()/truncate()/set_times()

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This commit is contained in:
Mark Poliakov 2025-01-06 10:50:51 +02:00
parent 82cfeff7e1
commit 1889f07f89
2 changed files with 37 additions and 26 deletions
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29
library/std/src/sys/pal/yggdrasil/fs/file.rs
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@ -1,5 +1,5 @@
use yggdrasil_rt::io::{
FileMetadataUpdate, FileMetadataUpdateMode, FileMode as OsFileMode,
FileMetadataUpdate, FileMetadataUpdateMode, FileMode as OsFileMode, FileSync, FileTimesUpdate,
OpenOptions as OsOpenOptions, SeekFrom as OsSeekFrom,
};
@ -96,17 +96,17 @@ impl File {
}
pub fn fsync(&self) -> io::Result<()> {
crate::debug_trace!("TODO: fsync()");
Ok(())
unsafe {
cvt_io(yggdrasil_rt::sys::fsync(self.as_raw_fd(), FileSync::METADATA | FileSync::DATA))
}
}
pub fn datasync(&self) -> io::Result<()> {
crate::debug_trace!("TODO: datasync()");
Ok(())
unsafe { cvt_io(yggdrasil_rt::sys::fsync(self.as_raw_fd(), FileSync::DATA)) }
}
pub fn truncate(&self, _size: u64) -> io::Result<()> {
todo!()
pub fn truncate(&self, size: u64) -> io::Result<()> {
unsafe { cvt_io(yggdrasil_rt::sys::truncate(self.as_raw_fd(), size)) }
}
pub fn read(&self, buf: &mut [u8]) -> io::Result<usize> {
@ -164,9 +164,18 @@ impl File {
})
}
pub fn set_times(&self, _times: FileTimes) -> io::Result<()> {
crate::debug_trace!("TODO: File::set_times()");
Ok(())
pub fn set_times(&self, times: FileTimes) -> io::Result<()> {
cvt_io(unsafe {
yggdrasil_rt::sys::update_metadata(
Some(self.as_raw_fd()),
"",
&FileMetadataUpdate::Times(FileTimesUpdate {
atime: times.atime,
mtime: times.mtime,
ctime: None,
}),
)
})
}
}

34
library/std/src/sys/pal/yggdrasil/fs/mod.rs
View File

@ -1,6 +1,6 @@
use yggdrasil_rt::io::{
FileAttr as OsFileAttr, FileMetadataUpdate, FileMetadataUpdateMode, FileMode as OsFileMode,
FileType as OsFileType, RawFd as OsRawFd, Rename,
AccessMode as OsAccessMode, FileAttr as OsFileAttr, FileMetadataUpdate, FileMetadataUpdateMode,
FileMode as OsFileMode, FileType as OsFileType, RawFd as OsRawFd, Rename,
};
use yggdrasil_rt::time::SystemTime as RtSystemTime;
@ -9,7 +9,7 @@ use crate::os::yggdrasil::fs::{MetadataExt, OpenOptionsExt};
use crate::path::{Path, PathBuf};
use crate::sys::time::SystemTime;
use crate::sys::{cvt_io, run_with_path_str};
use crate::{fmt, io};
use crate::{fmt, io, os};
mod dir;
mod file;
@ -27,7 +27,10 @@ pub struct FilePermissions(OsFileMode);
pub struct FileType(OsFileType);
#[derive(Copy, Clone, Debug, Default)]
pub struct FileTimes {}
pub struct FileTimes {
atime: Option<RtSystemTime>,
mtime: Option<RtSystemTime>,
}
impl FileAttr {
pub fn size(&self) -> u64 {
@ -117,12 +120,12 @@ impl fmt::Debug for FileType {
}
impl FileTimes {
pub fn set_accessed(&mut self, _t: SystemTime) {
crate::debug_trace!("TODO: FileTimes::set_accessed()");
pub fn set_accessed(&mut self, t: SystemTime) {
self.atime = Some(t.0);
}
pub fn set_modified(&mut self, _t: SystemTime) {
crate::debug_trace!("TODO: FileTimes::set_modified()");
pub fn set_modified(&mut self, t: SystemTime) {
self.mtime = Some(t.0);
}
}
@ -176,12 +179,12 @@ pub fn readlink(path: &Path) -> io::Result<PathBuf> {
Ok(PathBuf::from(path))
}
pub fn symlink(_original: &Path, _link: &Path) -> io::Result<()> {
todo!()
pub fn symlink(original: &Path, link: &Path) -> io::Result<()> {
os::yggdrasil::fs::symlink(original, link)
}
pub fn link(_original: &Path, _link: &Path) -> io::Result<()> {
todo!()
Err(io::Error::new(io::ErrorKind::Uncategorized, "Hard links are not implemented"))
}
pub fn stat(path: &Path) -> io::Result<FileAttr> {
@ -210,10 +213,9 @@ pub fn copy(from: &Path, to: &Path) -> io::Result<u64> {
crate::io::copy(&mut src, &mut dst)
}
pub fn try_exists(_path: &Path) -> io::Result<bool> {
todo!()
}
pub fn exists(path: &Path) -> io::Result<bool> {
try_exists(path)
run_with_path_str(path, |path| {
cvt_io(unsafe { yggdrasil_rt::sys::check_access(None, path, OsAccessMode::empty()) })
})
.map(|_| true)
}