Can't you use a QRunnable / QThreadPool with maxThreadCount=1?
> Sent: Wednesday, June 26, 2019 at 1:58 AM > From: "Fabrice Mousset | GEOCEPT GmbH" <[email protected]> > To: "Thiago Macieira" <[email protected]>, "[email protected]" > <[email protected]> > Subject: Re: [Interest] QEventLoop ::hasPendingEvents() replacement? > > Hi Thiago, > > thank's a lot for you answer and for your explanation. > Sadly for me, replacing with true/false is not an alternative for my use case. > I will have to rework the whole process. > I have a worker class (with his own thread), and before allowing a new task > to be started I have to be sure previous task has been finished. > Depending on the type of task there are more or less slots which are > triggered and depending on the parameter each slots could also trigger > another slots. > hasPendingEvents() was a very attractive solution for my use case, too bad > for me! > > Fabrice Mousset > > > -----Ursprüngliche Nachricht----- > > Von: Interest <[email protected]> Im Auftrag von Thiago > > Macieira > > Gesendet: Dienstag, 25. Juni 2019 18:09 > > An: [email protected] > > Betreff: Re: [Interest] QEventLoop ::hasPendingEvents() replacement? > > > > On Tuesday, 25 June 2019 08:00:02 PDT Fabrice Mousset | GEOCEPT GmbH > > wrote: > > > Hi all, > > > > > > Since Qt 5.3 QAbstractEventDispatcher::hasPendingEvents() has been set > > > "obsolete". Is there an alternate way to know if a QEventLoop has > > > pending events? > > > > The reason it's obsolete is that it's a race condition. Since the race > > can't be > > fixed, there will be no replacement. > > > > I suggest you replace the call with "true" or "false", depending on how your > > code around it would react to an event being posted by another thread at > > just the wrong moment. > > > > -- > > Thiago Macieira - thiago.macieira (AT) intel.com > > Software Architect - Intel System Software Products > > > > _______________________________________________ > Interest mailing list > [email protected] > https://lists.qt-project.org/listinfo/interest > _______________________________________________ Interest mailing list [email protected] https://lists.qt-project.org/listinfo/interest
