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Enhance StdBackend with critical error handling and improve file watcher reliability

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- Introduced `WatcherCriticalError` enum to categorize critical errors from the file watcher.
- Added a `CriticalErrorHandler` callback type for custom error handling in the watcher thread.
- Updated `StdBackend` to include a receiver for critical errors, allowing for better error management and logging.
- Refactored the watcher thread to handle errors gracefully instead of terminating the process, improving overall stability.
This commit is contained in:
Joe 2026-01-30 05:02:06 -06:00
parent 78aab0eca4
commit 41363473b2
27 changed files with 409 additions and 173 deletions
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6
crates/memofs/src/lib.rs
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@ -29,7 +29,7 @@ use std::{io, str};
pub use in_memory_fs::InMemoryFs;
pub use noop_backend::NoopBackend;
pub use snapshot::VfsSnapshot;
pub use std_backend::StdBackend;
pub use std_backend::{CriticalErrorHandler, StdBackend, WatcherCriticalError};
mod sealed {
use super::*;
@ -639,7 +639,7 @@ mod test {
let file_path = dir.path().join("file.txt");
fs_err::write(&file_path, contents.to_string()).unwrap();
let vfs = Vfs::new(StdBackend::new());
let vfs = Vfs::new(StdBackend::new_for_testing());
let canonicalized = vfs.canonicalize(&file_path).unwrap();
assert_eq!(canonicalized, file_path.canonicalize().unwrap());
assert_eq!(
@ -653,7 +653,7 @@ mod test {
let dir = tempfile::tempdir().unwrap();
let file_path = dir.path().join("test");
let vfs = Vfs::new(StdBackend::new());
let vfs = Vfs::new(StdBackend::new_for_testing());
let err = vfs.canonicalize(&file_path).unwrap_err();
assert_eq!(err.kind(), io::ErrorKind::NotFound);
}