117     fn open_status(&self, pdata: &mut ProcfsFilePrivateData) -> Result<i64, i32> {  in open_status()  argument
126             return Err(-(ESRCH as i32));  in open_status()
201     ) -> Result<usize, i32> {  in read_status()  argument
207             return Err(-(ENOBUFS as i32));  in read_status()
281     pub fn register_pid(&self, pid: i64) -> Result<(), i32> {  in register_pid()  argument
303     pub fn unregister_pid(&self, pid: i64) -> Result<(), i32> {  in unregister_pid()  argument
322     fn open(&self, data: &mut FilePrivateData) -> Result<(), i32> {  in open()  argument
345     fn close(&self, data: &mut FilePrivateData) -> Result<(), i32> {  in close()  argument
369     ) -> Result<usize, i32> {  in read_at()  argument
371             return Err(-(EINVAL as i32));  in read_at()
378             return Err(-(EISDIR as i32));  in read_at()
401             return Err(-(ENOBUFS as i32));  in read_at()
416     ) -> Result<usize, i32> {  in write_at()  argument
417         return Err(-(ENOTSUP as i32));  in write_at()
420     fn poll(&self) -> Result<PollStatus, i32> {  in poll()  argument
426             return Err(-(EISDIR as i32));  in poll()
442     fn metadata(&self) -> Result<Metadata, i32> {  in metadata()  argument
449     fn set_metadata(&self, metadata: &Metadata) -> Result<(), i32> {  in set_metadata()  argument
461     fn resize(&self, len: usize) -> Result<(), i32> {  in resize()  argument
467             return Err(-(EINVAL as i32));  in resize()
477     ) -> Result<Arc<dyn IndexNode>, i32> {  in create_with_data()  argument
482             return Err(-(ENOTDIR as i32));  in create_with_data()
486             return Err(-(EEXIST as i32));  in create_with_data()
528     fn link(&self, name: &str, other: &Arc<dyn IndexNode>) -> Result<(), i32> {  in link()  argument
531             .ok_or(-(EPERM as i32))?;  in link()
537             return Err(-(ENOTDIR as i32));  in link()
542             return Err(-(EISDIR as i32));  in link()
547             return Err(-(EEXIST as i32));  in link()
559     fn unlink(&self, name: &str) -> Result<(), i32> {  in unlink()  argument
563             return Err(-(ENOTDIR as i32));  in unlink()
567             return Err(-(ENOTEMPTY as i32));  in unlink()
571         let to_delete = inode.children.get(name).ok_or(-(ENOENT as i32))?;  in unlink()
584     ) -> Result<(), i32> {  in move_()  argument
585         return Err(-(ENOTSUP as i32));  in move_()
588     fn find(&self, name: &str) -> Result<Arc<dyn IndexNode>, i32> {  in find()  argument
592             return Err(-(ENOTDIR as i32));  in find()
597                 return Ok(inode.self_ref.upgrade().ok_or(-(ENOENT as i32))?);  in find()
601                 return Ok(inode.parent.upgrade().ok_or(-(ENOENT as i32))?);  in find()
605                 return Ok(inode.children.get(name).ok_or(-(ENOENT as i32))?.clone());  in find()
610     fn get_entry_name(&self, ino: InodeId) -> Result<String, i32> {  in get_entry_name()  argument
613             return Err(-(ENOTDIR as i32));  in get_entry_name()
634                         0=>{return Err(-(ENOENT as i32));}  in get_entry_name()
642     fn list(&self) -> Result<Vec<String>, i32> {  in list()  argument
645             return Err(-(ENOTDIR as i32));  in list()
668 pub fn procfs_register_pid(pid: pid_t) -> Result<(), i32> {  in procfs_register_pid()  argument
694 pub fn procfs_unregister_pid(pid: pid_t) -> Result<(), i32> {  in procfs_unregister_pid()  argument