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November 2004
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2004.11.04 23:09 "Re: is libtiff thread-safe?", by Chris Cox
At 3:35 PM -0600 11/4/04, Bob Friesenhahn wrote: > On Thu, 4 Nov 2004, Chris Losinger wrote: > > > Thanks for the information. > > > > My particular situation requires the ability to handle > > multiple threads, each having their own TIFF*, all possibly using > > the RGBA interfaces for reading. And, from your deescription, it > > sounds like everything should be OK, *if* the RGBA stuff is able to > > handle multiple threads, each with their own TIFF*. > > Right, *except* for the warning/error callback interfaces which we > already know have problems since they do not include a pointer to > user context. However, thread-specific data techniques can be used > (by the application) to work-around these particular problems. Documenting that issue and suggesting that the callbacks contain a mutex or critical section (if thread safety is an issue) might be a good idea. Chris