Trait lock_api::RawRwLockDowngrade

pub unsafe trait RawRwLockDowngrade: RawRwLock {
    unsafe fn downgrade(&self);
}

Additional methods for RwLocks which support atomically downgrading an exclusive lock to a shared lock.

Required methods

unsafe fn downgrade(&self)

Atomically downgrades an exclusive lock into a shared lock without allowing any thread to take an exclusive lock in the meantime.

Safety

This method may only be called if an exclusive lock is held in the current context.

Implementors