[gdal-dev] Is GDALFPolygonize thread safe ?

Frank Warmerdam warmerdam at pobox.com
Thu Mar 14 09:00:15 PDT 2013


On Thu, Mar 14, 2013 at 8:56 AM, Jeff Lacoste <jefflacostegdal at gmail.com> wrote:
> Great. Thanks Frank.
>
> Yes I'm writing to distinct output OGR.
>
> For GDAL drivers you mean that some of them might not be thread safe ? and
> hence may not be used safely from multiple threads
> even for read access ?

Jeff,

There are a lot of GDAL drivers and it is entirely possible, even
likely, that some have threading issues.  I believe most are ok.

> Is MapInfo OGR driver thread safe as long as i'm writing one distinct .tab
> from one distinct thread ?

I don't know of any issues with the mapinfo driver, but it is
complicated and I have not personally done an audit of it.

Best regards,
-- 
---------------------------------------+--------------------------------------
I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush    | Geospatial Software Developer


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