Struct WindowsDllHandler 

pub struct WindowsDllHandler { /* private fields */ }

Handler for Windows DLL hot-reload.

Manages UUID-named copies of DLLs to allow recompilation while previous versions are still loaded.

Implementations

impl WindowsDllHandler

pub fn new(temp_dir: PathBuf) -> Self

Create a new Windows DLL handler.

Arguments

• temp_dir - Directory for temporary DLL copies

pub fn with_max_age(self, max_age: Duration) -> Self

Set the maximum age for cleanup.

pub fn prepare_for_load(&mut self, dll_path: &Path) -> Result<PathBuf>

Prepare a DLL for loading.

On Windows, this copies the DLL to a UUID-named file in the temp directory. On other platforms, this returns the original path unchanged.

Arguments

• dll_path - Path to the compiled DLL

Returns

Path to load (either the original or a UUID copy).

pub fn release(&mut self, loaded_path: &Path)

Release a loaded DLL path.

Call this after dropping the loaded library to mark the temp file as eligible for cleanup.

Arguments

• loaded_path - Path that was returned by prepare_for_load

pub fn is_active(&self, path: &Path) -> bool

Check if a path is an active copy.

pub fn active_paths(&self) -> impl Iterator<Item = &Path>

Get all active copy paths.

pub fn cleanup_old_copies(&self) -> Result<usize>

Clean up old DLL copies.

Removes temp files that are:

1. Not currently tracked as active
2. Older than max_age

Returns

Number of files cleaned up.

pub fn cleanup_all(&self) -> Result<usize>

Force cleanup of all non-active copies.

Attempts to remove all temp files that are not currently active. Files that are locked will be skipped.

Returns

Number of files cleaned up.

pub fn temp_dir(&self) -> &Path

Get the temp directory path.

Trait Implementations

impl Default for WindowsDllHandler

fn default() -> Self

Returns the “default value” for a type.