[geos-devel] Segmentation fault when using intersect with multithreading

[Fardet Tanguy]

Dear GEOS developers,

I would like to know what is the proper way to initialize and use GEOS 
with OpenMP.
Indeed, I am encountering a segfault problem when using GEOS with 
multithreading enabled.

I first tried to ask people on SO because I am not 100% sure this issue 
is directly linked with GEOS (see post: 
https://stackoverflow.com/questions/47182166/segfault-when-testing-the-intersection-with-geos-in-parallel) 
but making sure that I am indeed using GEOS properly is crucial anyway.

Basically, what I need to do is test the intersection between one common 
object (the environment) and some thread-specific segments. You can find 
some details and code on the SO post 
<https://stackoverflow.com/questions/47182166/segfault-when-testing-the-intersection-with-geos-in-parallel>.

Thanks in advance,
best regards.

Tanguy Farde
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