Threading Classes

These Qt Core classes provide threading support to applications. The Thread Support in Qt page covers how to use these classes.

QtConcurrent

High-level APIs that make it possible to write multi-threaded programs without using low-level threading primitives

QAtomicInteger

Platform-independent atomic operations on integers

QAtomicPointer

Template class that provides platform-independent atomic operations on pointers

QFuture

Represents the result of an asynchronous computation

QFutureSynchronizer

Convenience class that simplifies QFuture synchronization

QFutureWatcher

Allows monitoring a QFuture using signals and slots

QMutex

Access serialization between threads

QMutexLocker

Convenience class that simplifies locking and unlocking mutexes

QReadLocker

Convenience class that simplifies locking and unlocking read-write locks for read access

QReadWriteLock

Read-write locking

QWriteLocker

Convenience class that simplifies locking and unlocking read-write locks for write access

QRunnable

The base class for all runnable objects

QSemaphore

General counting semaphore

QSemaphoreReleaser

Exception-safe deferral of a QSemaphore::release() call

QThread

Platform-independent way to manage threads

QThreadPool

Manages a collection of QThreads

QThreadStorage

Per-thread data storage

QWaitCondition

Condition variable for synchronizing threads

Concurrent Filter and Filter-Reduce

Concurrent Map and Map-Reduce

Concurrent Run

© 2018 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.