virtual_file_system/
lib.rs

1#![no_std]
2
3extern crate alloc;
4
5mod directory;
6mod error;
7mod file;
8mod file_system;
9mod hierarchy;
10mod item;
11mod r#macro;
12mod pipe;
13mod synchronous_directory;
14mod synchronous_file;
15
16pub use directory::*;
17pub use error::*;
18use exported_file_system::{Flags, StateFlags};
19pub use file::*;
20pub use file_system::*;
21pub use hierarchy::*;
22pub use item::*;
23pub use synchronous_directory::*;
24pub use synchronous_file::*;
25
26pub extern crate file_system as exported_file_system;
27
28pub async fn poll<O>(mut operation: impl FnMut() -> Result<O>) -> Result<O> {
29    loop {
30        match operation() {
31            Err(Error::FileSystem(::file_system::Error::RessourceBusy))
32            | Err(Error::RessourceBusy) => {
33                task::yield_now().await;
34            }
35            other => return other,
36        }
37    }
38}
39
40pub fn blocking_operation<O>(flags: Flags, mut operation: impl FnMut() -> Result<O>) -> Result<O> {
41    let non_blocking = flags.get_state().contains(StateFlags::NonBlocking);
42
43    loop {
44        match operation() {
45            Err(Error::FileSystem(::file_system::Error::RessourceBusy))
46            | Err(Error::RessourceBusy) => {
47                if non_blocking {
48                    return Err(Error::FileSystem(::file_system::Error::RessourceBusy));
49                }
50            }
51            other => return other,
52        }
53    }
54}
virtual_file_system/lib.rs

virtual_file_system/
lib.rs
