[Digikam-devel] [Bug 288761] cached image corrupted after modifying metadata

[kde at schreiber-rolf.de]

https://bugs.kde.org/show_bug.cgi?id=288761





--- Comment #3 from  <kde schreiber-rolf de>  2011-12-16 18:02:18 ---
I think I've debugged down now, what the problem is:

If a second modification of a file happens in short time distance to the first
modification, then while loading the preview image because of the first
modification (previewtask.cpp PreviewLoadingTask::execute(), line 
m_img.load(m_loadingDescription.filePath, this,
m_loadingDescription.rawDecodingSettings);

at the same time because of the second modification another thread writes
file.jpg$pid, removes file.jpg and moves file.jpg$pid to file.jpg

at the momement of the file remove the previewload thinks loading has finished,
while in reality only a part of the image has been read, and thats the part
which is displayed then.

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