C++ signal slot thread safe
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Signals and slots - Wikipedia Signals and slots is a language construct introduced in Qt for communication between objects which makes it easy to implement the observer pattern while avoiding boilerplate code.The concept is that GUI widgets can send signals containing event information which can be received by other widgets / controls using special functions known as slots. This is similar to C/C++ function pointers, but ... c++ - Qt signal slot over thread, is this the safe way ... @ddriver: It is really very very simple, he has two threads: main and worker, main emits a signal and so a slot gets called that deletes things and the worker thread signals back to the main thread when e.g. done, and that operates on the GUI items, too. He asks whether this is safe. – lpapp Dec 6 '14 at 10:32 | c++ - Is it safe to emit signal from another thread ... Is it safe to emit a signal on an object from another thread (if the slot is connected as QueuedConnection)?I couldn't find a specific piece of documentation that would mention this, the most relevant quote I found is this:. QObject is reentrant. Threadsafe C++ signals done right : cpp - reddit.com
C Thread Safe and Reentrant Function Examples
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No, I haven't. Thanks for link. I work with Qt and I've wanted to implement something that not very bulk as Qt's signal/slot mechanism and I though what this one maybe will be useful for community. I've compared only with signals of boost library.
„Signals and slots“ is a mechanism introduced for the first time (ok, for me) in Trolltech (Qt Software now) Qt library. In terms of Qt library you canIt is clearly seen that, Qt forces user (programmer) to use class sections like public slot: or signals:, that not defined in C++ Standard (most recent version...
c++ - Is it safe to emit signal from another thread ...
c++ boost signals signals-slots.Thread 2 перейдет в цикл и выполнит вашу связанную функцию. Я думаю, вы также можете вызвать вызовы Boost:: Signals2 в этот цикл.Посмотрите другие вопросы по меткам c++ boost signals signals-slots или Задайте вопрос. c++ - Безопасные Перекрестные сигналы Тема / Slot C ++ Является ли мьютекс внутри слота единственным способом? Я думаю, signals2 защитить сам себе, но не то, что делается внутри слота.Тема 2 переходит в петлю и выполнит вашу связанную функцию. Я думаю, вы также можете вызвать повышение :: Signals2 вызовов в эту... Signals & Slots | Qt Core 5.12.3 The signals and slots mechanism is type safe: The signature of a signal must match the signature of the receiving slot.Since slots are normal member functions, they follow the normal C++ rules when called directly. However, as slots, they can be invoked by any component, regardless of its access... Threadsafe C++ signals done right : cpp
Threadsafe C++ signals done right : cpp
C++ Signal/Slot Library (sigslot) download | SourceForge.net
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