Struct ReadLock 

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

ReadLock: the requests who get it need to wait until it is released

Implementations

impl ReadLock

pub async fn wait(&self)

Wait for the writer to release the lock

pub async fn wait_unless_published( &self, unusable: &UnusableFills, ) -> WaitOutcome

Wait for the writer to release the lock, unless it publishes a fill in unusable first — which lets a reader act on what the writer only learns after the reader committed to waiting.

Giving up is local to this reader: the lock status is untouched and every other reader goes on coalescing. Tokens never published never match.

pub fn locked(&self) -> bool

Test if it is still locked

pub fn expired(&self) -> bool

Whether the lock is expired, e.g., the writer has been holding the lock for too long

pub fn lock_status(&self) -> LockStatus

The current status of the lock

pub fn extensions(&self) -> &Extensions

Trait Implementations

impl Debug for ReadLock

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

Formats the value using the given formatter.