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TIFF and LibTiff Mailing List Archive
May 2011

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2011.05.05 16:44 "Is LibTiff 3.9.5 Thread Safe ?", by Katerina Sedivy
2011.05.05 17:42 "Re: Is LibTiff 3.9.5 Thread Safe ?", by Frank Warmerdam
2011.05.05 19:01 "Re: Is LibTiff 3.9.5 Thread Safe ?", by Bob Friesenhahn
2011.05.05 19:49 "Re: Is LibTiff 3.9.5 Thread Safe ?", by Katerina Sedivy
2011.05.05 20:16 "Re: Is LibTiff 3.9.5 Thread Safe ?", by Bob Friesenhahn
2011.05.06 17:07 "Re: Is LibTiff 3.9.5 Thread Safe ?", by Katerina Sedivy
2011.05.12 06:09 "Re: Is LibTiff 3.9.5 Thread Safe ?", by Andreas Kleinert
2011.05.05 19:59 "Re: Is LibTiff 3.9.5 Thread Safe ?", by Katerina Sedivy
2011.05.05 21:08 "Re: Is LibTiff 3.9.5 Thread Safe ?", by Frank Warmerdam

2011.05.05 19:01 "Re: Is LibTiff 3.9.5 Thread Safe ?", by Bob Friesenhahn

On Thu, 5 May 2011, Frank Warmerdam wrote:
>
> That said, it is hopefully safe for different threads to operate on
> distinct TIFF objects at the same time.

There are some areas related to library initialization and error 
reporting which do not appear to be thread safe.  If a bunch of 
threads requested to open different TIFF files all at the same time 
before the library has been exercised at least once, then failure is 
likely.

Bob
-- 
Bob Friesenhahn
bfriesen@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/