vinzenz/redox
0
0
Fork 0
Code Issues Pull requests Actions Packages Projects Releases Wiki Activity

Add dup to ahci disk scheme

Browse source
This commit is contained in:
Jeremy Soller 2016-09-29 17:45:01 -06:00
parent 86487793b8
commit b79c69cbfc
1 changed files with 9 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
drivers/ahcid/src/scheme.rs
View file

@ -43,6 +43,15 @@ impl Scheme for DiskScheme {
} }
} }
fn dup(&self, id: usize) -> Result<usize> {
let mut handles = self.handles.lock();
let mut handle = handles.get_mut(&id).ok_or(Error::new(EBADF))?;
let new_id = self.next_id.fetch_add(1, Ordering::SeqCst);
self.handles.lock().insert(new_id, handle.clone());
Ok(new_id)
}
fn read(&self, id: usize, buf: &mut [u8]) -> Result<usize> { fn read(&self, id: usize, buf: &mut [u8]) -> Result<usize> {
let mut handles = self.handles.lock(); let mut handles = self.handles.lock();
let mut handle = handles.get_mut(&id).ok_or(Error::new(EBADF))?; let mut handle = handles.get_mut(&id).ok_or(Error::new(EBADF))?;