В многопоточности выполнять действие только в одном из потоков
Здравствуйте.
При многопоточном вызове, можно ли в лябдафункции выполнять какое-то действие только в одном потоке, например в первом?
QFuture<void> Perebor2 = QtConcurrent::map(Perebor,[=](const double& d){ StrategyCod(d,this);});
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Статическиe методs QThread::currentThread(); и QThread::currentThreadId() могут возвращать указатель на поток и его handle id соответственно. Можете попробовать через какую-нибудь переменную запоминать handle id, а потом отталкиваясь от неё что-то делать в потоке, который первый создался.