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Fix kernel user scheme fpath

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This commit is contained in:
Jeremy Soller 2016-09-28 10:29:17 -06:00
parent 998aee7c50
commit f2dcefc882
1 changed files with 8 additions and 0 deletions
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8
kernel/scheme/user.rs
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@ -247,6 +247,14 @@ impl Scheme for UserScheme {
inner.call(SYS_FEVENT, file, flags, 0) inner.call(SYS_FEVENT, file, flags, 0)
} }
fn fpath(&self, file: usize, buf: &mut [u8]) -> Result<usize> {
let inner = self.inner.upgrade().ok_or(Error::new(ENODEV))?;
let address = inner.capture_mut(buf)?;
let result = inner.call(SYS_FPATH, file, address, buf.len());
let _ = inner.release(address);
result
}
fn fstat(&self, file: usize, stat: &mut Stat) -> Result<usize> { fn fstat(&self, file: usize, stat: &mut Stat) -> Result<usize> {
let inner = self.inner.upgrade().ok_or(Error::new(ENODEV))?; let inner = self.inner.upgrade().ok_or(Error::new(ENODEV))?;
let address = inner.capture_mut(stat)?; let address = inner.capture_mut(stat)?;