[Development] New global static implementation

Thiago Macieira thiago.macieira at intel.com
Fri Dec 23 19:33:35 CET 2011


On Friday, 23 de December de 2011 15.37.31, Olivier Goffart wrote:
> On Friday 23 December 2011 11:30:08 Thiago Macieira wrote:
> > Uploaded at:
> > 
> > https://qt.gitorious.org/~thiago-intel/qt/thiago-intels-qtbase/commits/new
> > -
> > qglobalstatic
> 
> I'm trying to review:
> 
> You cannot use the QMutexPool in the QGlobalStaticControler.
> Because the creation of the global static will run user code that might
> create others global statics, or do something else that will also use the
> same mutex pool. Or just locking other mutex.  (hence locking multilples
> mutex, which may mean deadlock)
> (Especially since global statics might also be created under a lock or
> something)

When I wrote the implementation, the mutex pool was safe and never ran global 
statics.

I'd support going back to that.

-- 
Thiago Macieira - thiago.macieira (AT) intel.com
  Software Architect - Intel Open Source Technology Center
     Intel Sweden AB - Registration Number: 556189-6027
     Knarrarnäsgatan 15, 164 40 Kista, Stockholm, Sweden
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