[Interest] how to block run function of QRunnable class

[André Somers]

Op 19-3-2013 14:57, K. Frank schreef:
> Hello Tony!
>
> I have something of a side question, below.
>
> On Tue, Mar 19, 2013 at 2:09 AM, Tony Rietwyk <tony at rightsoft.com.au> wrote:
>> Hi Ken,
>> ...
>> // Hack to get around Qt strictness...
>>
>> class TSleepThread: public QThread
>> {
>> public:
>>        static void sleep(unsigned long secs) { QThread::sleep(secs); };
>>        static void msleep(unsigned long msecs) { QThread::msleep(msecs); };
>>        static void usleep(unsigned long usecs) { QThread::usleep(usecs); };
>> };
>> ...
> I've done this "hack" before to unprotect QThread::sleep.  But for the
> life of me I cannot figure out why QThread:: sleep is protected (or, at
> least, why there isn't some other unprotected static sleep somewhere).
>
> A cross-platform sleep (in a cross-platform framework, at that).  What's
> not to like?
>
> But seriously, does anyone know what the motivation for making sleep
> protected might have been?
I'm not sure, probably to discourage its usage. Anyway, in Qt 5, there 
now are static public member functions sleep and usleep in QThread.

André


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