[Qt-interest] Waking-up a sleeping thread

[Harry Sfougaris]

Actually that's how I ended up implementing it, with the exception of running the timer on the main thread.
It seems to work fine.

Thanks,

Harry

On 11 Ιουν 2010, at 5:34 μ.μ., Scott Bloom wrote:

> Why not have a singleshot timer that called from the thread constructor and
> at the end of processing?
> 
> Just make sure the threads event loop gets kicked off
> 
> Scott
> 
> 
> On 6/11/10 12:38 AM, "Harry Sfougaris" <hsfougaris at gmail.com> wrote:
> 
>> Well I need to check a remote database server if there is data available (I
>> can't use notify).
> Since there are many ways this can fail , I need to do it
>> in a thread.
> I can't think of another way to do it.
> 
> Harry 
> 
> On 11 Ιουν 2010,
>> at 10:34 π.μ., Scott Aron Bloom wrote:
> 
>> Don't use sleep.. 
>> 
>> One
>> suggestion, that has worked for me.. rather than calling sleep..
>> only start
>> the thread when you have info to process.. otherwise exit
>> out.
>> 
>> Scott
>> 
>> 
>> 
>> 
>> -----Original Message-----
>> From:
>> qt-interest-bounces at trolltech.com
>> [mailto:qt-interest-bounces at trolltech.com]
>> On Behalf Of Harry Sfougaris
>> Sent: Friday, June 11, 2010 12:23 AM
>> To:
>> qt-interest at trolltech.com
>> Subject: [Qt-interest] Waking-up a sleeping
>> thread
>> 
>> Is it possible to "wake-up" a thread, after calling sleep(secs) on
>> it?
>> I have a thread that periodically does a job. I have the following
>> 
>> pseudocode in the run() function of my thread:
>> ...
>> while (!stopped) {
>> 
>> sleep( jobInterval);
>> if (stopped) break;
>> doLengthyTask();
>> }
>> ...
>> 
>> my thread deconstructor is
>> myThread::~myThread() {
>>   stopped = true;
>> 
>> wait();
>> }
>> 
>> My problem is when the user tries to exit the app, the
>> program will
>> stall for up to jobInterval seconds, as the thread might be
>> sleeping,
>> and the deconstructor waits for it.
>> Is there another way to
>> handle this?
>> 
>> Thanks,
>> Harry
>> 
>> 
>> 
>> 
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>> 
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>> 
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