Hi, Am Thu, 30 Jun 2016 09:11:27 +0200 schrieb Rainer Wiesenfarth <rainer_wiesenfa...@trimble.com>:
> (Qt 5.3.2, VS2010 on Windows) > > Hi all, > > this is off-topic as the problem is not caused by Qt, however, QFile > is involved and might be the one to handle it. In any case, I'd like > to hear if others have a similar problem and how they deal with it: > > From time to time we get issues from individual customers that our > software failed to access files, usually during long-running > processing tasks. This happens unpredictable and for random files. > Although we are not able to proove it, we assume that this is caused > by on-access virus scanners that lock a file for a short amount of > time to look at it. If a QFile operation tries to access the file > during that time it fails. > > For some cases we could avoid this by retrying the operation, but I am > not willing to encapsulate every QFile operation in a retry loop. > > Did anyone out there run into this issue and find a solution for it? > we had same "feelings", not only in relation to virus scanners. and indeed since some time now we use a qfile subclass with internal retries, including configurable retry and interval values. alex --
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