/* * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana * University Research and Technology * Corporation. All rights reserved. * Copyright (c) 2004-2005 The University of Tennessee and The University * of Tennessee Research Foundation. All rights * reserved. * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart, * University of Stuttgart. All rights reserved. * Copyright (c) 2004-2005 The Regents of the University of California. * All rights reserved. * Copyright (c) 2010 Cisco Systems, Inc. All rights reserved. * $COPYRIGHT$ * * Additional copyrights may follow * * $HEADER$ */ #define OMPI_BUILDING 0 #include "opal_config.h" #include "opal/sys/atomic.h" int main(int argc, char *argv[]) { #if OPAL_HAVE_ATOMIC_MEM_BARRIER /* there really isn't a great way to test that the barriers actually barrier, but at least make sure they don't kill the machine.*/ opal_atomic_mb(); opal_atomic_rmb(); opal_atomic_wmb(); return 0; #else return 77; #endif }