D7750: fix crash when more than one instances of ExtractorCollection are destructed

[Matthieu Gallien]

mgallien added a comment.


  According to QPluginLoader, if one wants to release the memory,
  
  In https://phabricator.kde.org/D7750#144373, @anthonyfieroni wrote:
  
  > https://phabricator.kde.org/source/kfilemetadata/browse/master/src/extractorcollection.cpp;621101fd9e9d82be3d84f2140a4bf53ea13fd3f0$137
  >  Look it leak now, no?
  
  
  According to documentation of QPluginLoader, memory is released at application quit. If you want to release it earlier, one should use unload.
  I can modify the patch to use that to release as soon as it is possible (i.e. no ExtractorCollection contains a given plugin). For that, I will probably need to make QPluginLoader a member of Extractor class.
  What do you think ?

REPOSITORY
  R286 KFileMetaData

REVISION DETAIL
  https://phabricator.kde.org/D7750

To: mgallien, #frameworks
Cc: anthonyfieroni
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