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Implement fd_filestat_set_times using the filetime crate.

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This commit is contained in:
Marcin Mielniczuk
2019-08-05 11:44:59 +02:00
committed by Jakub Konka
parent 46c41abd60
commit 2f1afc4846
4 changed files with 31 additions and 53 deletions
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43
src/sys/unix/hostcalls_impl/fs.rs
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@@ -363,49 +363,6 @@ fn filetype(metadata: &Metadata) -> host::__wasi_filetype_t {
}
}
pub(crate) fn fd_filestat_set_times(
fd: &File,
st_atim: host::__wasi_timestamp_t,
mut st_mtim: host::__wasi_timestamp_t,
fst_flags: host::__wasi_fstflags_t,
) -> Result<()> {
use nix::sys::time::{TimeSpec, TimeValLike};
if fst_flags & host::__WASI_FILESTAT_SET_MTIM_NOW != 0 {
let clock_id = libc::CLOCK_REALTIME;
let mut timespec = unsafe { std::mem::uninitialized::<libc::timespec>() };
let res = unsafe { libc::clock_gettime(clock_id, &mut timespec as *mut libc::timespec) };
if res != 0 {
return Err(host_impl::errno_from_nix(nix::errno::Errno::last()));
}
st_mtim = (timespec.tv_sec as host::__wasi_timestamp_t)
.checked_mul(1_000_000_000)
.and_then(|sec_ns| sec_ns.checked_add(timespec.tv_nsec as host::__wasi_timestamp_t))
.ok_or(host::__WASI_EOVERFLOW)?;
}
let ts_atime = match fst_flags {
f if f & host::__WASI_FILESTAT_SET_ATIM_NOW != 0 => libc::timespec {
tv_sec: 0,
tv_nsec: utime_now(),
},
f if f & host::__WASI_FILESTAT_SET_ATIM != 0 => {
*TimeSpec::nanoseconds(st_atim as i64).as_ref()
}
_ => libc::timespec {
tv_sec: 0,
tv_nsec: utime_omit(),
},
};
let ts_mtime = *TimeSpec::nanoseconds(st_mtim as i64).as_ref();
let times = [ts_atime, ts_mtime];
let res = unsafe { libc::futimens(fd.as_raw_fd(), times.as_ptr()) };
if res != 0 {
Err(host_impl::errno_from_nix(nix::errno::Errno::last()))
} else {
Ok(())
}
}
pub(crate) fn path_filestat_get(
resolved: PathGet,
dirflags: host::__wasi_lookupflags_t,