Struct SharedFileLock 

pub struct SharedFileLock(/* private fields */);

An owned shared descriptor lock released explicitly before its file closes.

Duplicated or inherited descriptors must not extend this guard’s lock lifetime. Independent acquisitions remain independent. Callers own any shared guard lifetime, paths, namespace custody and cleanup policy; dropping it removes no file.

Implementations

impl SharedFileLock

pub fn acquire(file: File) -> Result<Self>

Acquire a blocking shared lock on an already-opened regular file.

This consumes the descriptor without reopening it or imposing a deadline.

Errors

Returns the original regular-descriptor admission or native lock error.

pub const fn file(&self) -> &File

Borrow the locked descriptor; clones do not extend the guard’s lifetime.

Callers must coordinate explicit unlock or lock-mode changes through this descriptor or its duplicates with their own guard lifetime contract.

Trait Implementations

impl Debug for SharedFileLock

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Drop for SharedFileLock

fn drop(&mut self)

Executes the destructor for this type.

fn pin_drop(self: Pin<&mut Self>)

🔬This is a nightly-only experimental API. (pin_ergonomics)

Execute the destructor for this type, but different to Drop::drop, it requires self to be pinned.