0027491: GeomAdaptor_Curve Is Not Thread-Safe (Anymore?)

[occt.git] / src / Geom2dAdaptor / Geom2dAdaptor_Curve.hxx

diff --git a/src/Geom2dAdaptor/Geom2dAdaptor_Curve.hxx b/src/Geom2dAdaptor/Geom2dAdaptor_Curve.hxx
index 3c0b7d5..1bf3d2a 100644 (file)
--- a/src/Geom2dAdaptor/Geom2dAdaptor_Curve.hxx
+++ b/src/Geom2dAdaptor/Geom2dAdaptor_Curve.hxx
@@ -51,6 +51,10 @@ class Geom2d_BSplineCurve;
 //! An interface between the services provided by any
 //! curve from the package Geom2d and those required
 //! of the curve by algorithms which use it.
+//!
+//! Polynomial coefficients of BSpline curves used for their evaluation are
+//! cached for better performance. Therefore these evaluations are not
+//! thread-safe and parallel evaluations need to be prevented.
 class Geom2dAdaptor_Curve  : public Adaptor2d_Curve2d
 {
 public: