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systemed / tilemaker

Make OpenStreetMap vector tiles without the stack
https://tilemaker.org/
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Fix thread safety issue with shapefile index #678

Closed systemed closed 5 months ago

systemed commented 5 months ago

shapelib is not thread-safe when reading from the same .dbf file. This avoids a crash when reading shapefile index columns by sharing the mutex we already have for the attributes.