[Poppler-bugs] [Bug 59927] make qt4 frontend thread-safe

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=59927

--- Comment #17 from Thomas Freitag <Thomas.Freitag at alfa.de> ---
(In reply to comment #16)
> Commited, are we done in this one?
> 
> P.S: Just had a look at the construct of Page::getResourceDict and i think
> it's a bit unseasy to use, do you think that in the "cleanup" bug we could
> instead use two functions? One that always does the copy and one that not?
> Now you have to keep track if you passed down a non null XRef to know if you
> have to delete it or not, which i think may be a bit cumbersome and error
> prone, what do you think?

I'LL have a look at it abd try to find a better solution in bug 59933.

BTW, during my tests with Adam's program I got one or two times crashes. But
the reason for it was the test program itself: two threads fetched the page
annots (without any problems) and the deleted the same annotation, the first
one wins and the second could crash. I cannot solve that in the library, this
is the one case I know where the calling program is responsible to lock two
threads against each other.

@Adam: Any known open issues or can we close this bug now?

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