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Обсуждение на тему: Locked rust
Locked rust
Locks this rwlock with shared read access, blocking the current thread until it can be acquired. The calling thread will be blocked until there are no more writers which hold the lock. There may be other readers currently inside the lock when this method returns. Each mutex has a type parameter which represents the data that it is protecting. The data can only be accessed through the raii guards returned from lock and trylock, which guarantees that the data is only ever accessed when the mutex is locked.
Rwlock (read-write lock или блокировка чтения-записи) применяется в многопоточном программировании на rust, позволяя нескольким потокам одновременно читать данные, и только один поток при этом. This library provides type-safe and fully-featured mutex and rwlock types which wrap a simple raw mutex or rwlock type. This has several benefits not only does it eliminate a large portion of the work in implementing custom lock types, it also allows users to write code which is generic with regards to different lock implementations. This library provides type-safe and fully-featured mutex and rwlock types which wrap a simple raw mutex or rwlock type. This has several benefits not only does it eliminate a large portion of the work in implementing custom lock types, it also allows users to write code which is generic with regards to different lock implementations.
Basically same as the std ones, but await communicate between tasks (same thread or different) one shot mpsc other channels bounded and unbounded channels locks. Await will make your future non-send, and is also highly likely to cause deadlocks. )this type of lock allows a number of readers or at most one writer at any point in time. The write portion of this lock typically allows modification of the underlying data (exclusive access) and the read portion of this lock typically allows for read-only access (shared access). Lock-free структуры данных позволяют нескольким потокам одновременно читать и изменять данные без блокировок.
Каждый ресурс в rust имеет владельца, и только один поток может быть владельцем ресурса в конкретный момент времени. Это предотвращает возможность конкурентного доступа к одному и тому же ресурсу без синхронизации. This lock will block other threads waiting for the lock to become available. The thread which has already locked the mutex can lock it multiple times without blocking, preventing a common source of deadlocks. .