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Stub out set_times to return unsupported on Redox

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Redox doesn't appear to support `UTIME_OMIT`, so we can't set file times
individually.
This commit is contained in:
Josh Triplett 2022-07-20 21:14:24 -07:00
parent 3da17293e7
commit 11d9be6359
1 changed files with 13 additions and 2 deletions
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15
library/std/src/sys/unix/fs.rs
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@ -538,6 +538,11 @@ impl fmt::Debug for FileTimes {
impl Default for FileTimes {
fn default() -> Self {
// Redox doesn't appear to support `UTIME_OMIT`, so we stub it out here, and always return
// an error in `set_times`.
#[cfg(target_os = "redox")]
let omit = libc::timespec { tv_sec: 0, tv_nsec: 0 };
#[cfg(not(target_os = "redox"))]
let omit = libc::timespec { tv_sec: 0, tv_nsec: libc::UTIME_OMIT as _ };
Self([omit; 2])
}
@ -1064,8 +1069,14 @@ impl File {
pub fn set_times(&self, times: FileTimes) -> io::Result<()> {
cfg_if::cfg_if! {
// futimens requires macOS 10.13, and Android API level 19
if #[cfg(any(target_os = "android", target_os = "macos"))] {
if #[cfg(target_os = "redox")] {
// Redox doesn't appear to support `UTIME_OMIT`.
return Err(io::const_io_error!(
io::ErrorKind::Unsupported,
"setting file times not supported",
));
} else if #[cfg(any(target_os = "android", target_os = "macos"))] {
// futimens requires macOS 10.13, and Android API level 19
cvt(unsafe {
weak!(fn futimens(c_int, *const libc::timespec) -> c_int);
match futimens.get() {