[geos-devel] thread save

[Sandro Santilli]

On Thu, Feb 09, 2017 at 10:48:11AM +0300, Gorbachev Ivan wrote:
> Segmentation fault in this place:
> 
> bool
> Geometry::intersects(const Geometry *g) const
> {
> #ifdef SHORTCIRCUIT_PREDICATES
>     // short-circuit test
>     if (! getEnvelopeInternal()->intersects(g->getEnvelopeInternal()))
> <--------- Segmentation fault
>         return false;
> #endif

Can you reproduce with just getEnvelopeInternal() calls,
w/out "intersects" ? Those are mutator methods, so maybe
something could go wrong if two threads mutate the object
at the same time. Or can you try asking valgrind's tool "hellgrind"
what it finds about thread safety ?

--strk;