0031921: Application Framework - reading OCAF data from several threads is not possible
Make myLastFoundChild field of TDF_LabelNode that can be changed during accessing to different sub-labels in different threads as atomic (only for newer versions of compilers which support this "atomic").
Added definition of Standard_ATOMIC macro to the Standard_Macro.hxx
(cherry picked from commit
b84b672185520e52a25d63b4487f285a068abc34)
(cherry picked from commit
938ceb32b369c81c87716054fce5426b00354a44)
(cherry picked from commit
e9ad8d4d65005119a461cbd5bfa9292efa773a06)