[Interest] QThreadPool functionality for QThreads
Frank Rueter | OHUfx
frank at ohufx.com
Thu Jan 19 08:29:12 CET 2017
Thanks Elvis, much appreciated!
On 19/01/17 7:55 PM, Elvis Stansvik wrote:
> 2017-01-19 1:10 GMT+01:00 Thiago Macieira <thiago.macieira at intel.com>:
>> On quarta-feira, 18 de janeiro de 2017 20:04:41 PST Elvis Stansvik wrote:
>>> If you have one QThread that depends on the completion of another,
>>> then no, I don't think there's a convenient API in Qt to express that
>>> relationship and run the threads in sequence. You'll have to string
>>> them together yourself, or maybe use something else like Threadweaver.
>>> I could be wrong of course
>> You can always chain-connect one thread's finished() signal to the other's
>> start() slot.
> Yes sorry, should have been more explicit, that's what I meant with
> "string them together".
> Frank, another threading approach in Qt which we haven't mentioned yet
> is QtConcurrent. I use that myself in an application where I had to
> load a series of large tomographic volumes using VTK (so blocking
> I/O). It might not be a good fit for your use case, but thought I
> should mention it for brevity.
>> But that's unnecessary overhead: stopping and starting threads. You should do
>> like Elvis says and just reuse the thread.
>> Thiago Macieira - thiago.macieira (AT) intel.com
>> Software Architect - Intel Open Source Technology Center
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>> Interest at qt-project.org
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