* SignalBlocker blocker(plotgraphsdlg->watcher);**** //blocking the signal*
Is the above code is sufficient to block the signal ???? On Fri, Feb 3, 2012 at 5:34 AM, Scott Aron Bloom <scott.bl...@onshorecs.com>wrote: > I have found with windows at least, its instantaneous. Essentially it > sets up a blocking win32 call, that gets release and emits the signal... > > But it does take the event loop of the connected slots thread to be > running... > > Scott > > -----Original Message----- > From: interest-bounces+scott.bloom=onshorecs....@qt-project.org > [mailto:interest-bounces+scott.bloom=onshorecs....@qt-project.org] On > Behalf Of Andreas Pakulat > Sent: Thursday, February 02, 2012 3:54 PM > To: interest@qt-project.org > Subject: Re: [Interest] QFileSystemWatcher malfunctioning > > On 02.02.12 15:23:53, Scott Aron Bloom wrote: > > QFileSystemWatcher DOES operate in a separate thread 100% certainly > > for windows, 99% for linux.. > > > > Its been a while since I looked at the insides on linux. > > All engines run in a separate thread and some of the engines have > multiple threads themselves again (win32 and dnotify) as far as I can > see from a quick grep. > > However these threads could be delivering their signals directly instead > of delivering them through the event-queue, so there is actually a way > that the blocker really blocks signals. > > But if the used backend is actually not triggered by the OS directly > when a filesystem change happens, i.e. if it takes a few ms for the OS > to notify the watcher (and thats definetly the case for the polling > backend) then signal blocking will not work. > > Andreas > > _______________________________________________ > Interest mailing list > Interest@qt-project.org > http://lists.qt-project.org/mailman/listinfo/interest > _______________________________________________ > Interest mailing list > Interest@qt-project.org > http://lists.qt-project.org/mailman/listinfo/interest > -- Thanks & Regards Sujan Dasmahapatra B.E. (Aeronautics) Bangalore, India Ph:91-9900839788 mail id : sujan.dasmahapa...@gmail.com yahoo msn : dasmahapatra.aerodynam...@yahoo.co.in icq # 556023244 skype:sujan.dasmahapa...@skyepe.com msn: sujan.dasmahapa...@hotmail.com public profile : http://in.linkedin.com/pub/sujan-dasmahapatra/17/269/aa6
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