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List:       kde-devel
Subject:    Re: KDE, Qt3 and Amarok
From:       Thiago Macieira <thiago () kde ! org>
Date:       2008-04-21 8:39:55
Message-ID: 200804211039.55557.thiago () kde ! org
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Bart Van Assche wrote:
>On Mon, Apr 21, 2008 at 10:21 AM, Thiago Macieira <thiago@kde.org> wrote:
>> Bart Van Assche wrote:
>>  >Below you can find another sample program. When compiled and linked
>>  >against Qt3, it triggers data races. When compiled and linked
>>  > against Qt4, the program does not trigger any data races. Is the
>>  > program OK or not ?
>>
>>  The program is still wrong. You did not read what I said: you MUST
>> use QDeepCopy in Qt 3.
>>
>>  And that class does not exist in Qt 4.
>
>I read and understood your statement about QDeepCopy. The second
>example I provided does not explicitly share any QString objects over
>threads. What was misleading in my example is that &S1 was passed as
>the fourth argument of pthread_create(), while thread_func() does not
>use this pointer. The fourth argument of pthread_create() should have
>been NULL.

Ok, I see your point.

Then it seems QString is not reentrant in Qt 3 as the documentation says.

-- 
  Thiago Macieira  -  thiago (AT) macieira.info - thiago (AT) kde.org
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