#3524, add interruptibility to geography brute force distance calculation

git-svn-id: http://svn.osgeo.org/postgis/trunk@14832 b70326c6-7e19-0410-871a-916f4a2858ee

diff --git a/liblwgeom/lwgeodetic.c b/liblwgeom/lwgeodetic.c
index 85434652409a81a30f1a9bbdc337cb6cbf112d9c..815c630e427fbb349437bab546095a1a449c3302 100644 (file)
--- a/liblwgeom/lwgeodetic.c
+++ b/liblwgeom/lwgeodetic.c
@@ -1910,6 +1910,7 @@ static double ptarray_distance_spheroid(const POINTARRAY *pa1, const POINTARRAY
                /* Copy end to start to allow a new end value in next iteration */
                e1.start = e1.end;
                A1 = A2;
+               LW_ON_INTERRUPT(return -1.0);
        }
        LWDEBUGF(4,"finished all loops, returning %.8g", distance);