What about hwloc_topology check()? What types of check does?
2011/9/3 Brice Goglin <brice.gog...@inria.fr> > > There's no way to implement this check safely (being non NULL doesn't mean > it was properly initialized by the user, it could still point to random > memory that would cause a segfault when checking). > > If you really need something like this, put an integer value on the side of > the topology variable, and make 0 or 1 depending on whether the topology was > init or not. > > Brice > > > ----- Reply message ----- > De : "Gabriele Fatigati" <g.fatig...@cineca.it> > Pour : "Hardware locality user list" <hwloc-us...@open-mpi.org> > Objet : [hwloc-users] Re : hwloc topology check initializing > Date : sam., sept. 3, 2011 15:26 > > > > > Hi Brice, > > but it works only if the user assing NULL to topology. > > hwloc_topology_init() does not check the argument passed ? There are no > ways > to check if topology is initialized or not? > > Thanks. > > 2011/9/3 Brice Goglin <brice.gog...@inria.fr> > > > > > Assign NULL to the topology when declaring the variable. It will be > changed > > into something else when init() is called. > > > > Brice > > > > ----- Reply message ----- > > De : "Gabriele Fatigati" <g.fatig...@cineca.it> > > Pour : "Hardware locality user list" <hwloc-us...@open-mpi.org> > > Objet : [hwloc-users] hwloc topology check initializing > > Date : sam., sept. 3, 2011 10:56 > > > > > > > > > > Dear hwloc users, > > > > how to check if my hwloc topology is initialized? I have to use > > hwloc_topology_check? This code not works: > > > > hwloc_topology_t topology; > > > > if( topology==NULL) > > exit(-1); > > > > > > > > > > > > -- > > Ing. Gabriele Fatigati > > > > HPC specialist > > > > SuperComputing Applications and Innovation Department > > > > Via Magnanelli 6/3, Casalecchio di Reno (BO) Italy > > > > www.cineca.it Tel: +39 051 6171722 > > > > g.fatigati [AT] cineca.it > > > > _______________________________________________ > > hwloc-users mailing list > > hwloc-us...@open-mpi.org > > http://www.open-mpi.org/mailman/listinfo.cgi/hwloc-users > > > > > > -- > Ing. Gabriele Fatigati > > HPC specialist > > SuperComputing Applications and Innovation Department > > Via Magnanelli 6/3, Casalecchio di Reno (BO) Italy > > www.cineca.it Tel: +39 051 6171722 > > g.fatigati [AT] cineca.it > > _______________________________________________ > hwloc-users mailing list > hwloc-us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/hwloc-users > -- Ing. Gabriele Fatigati HPC specialist SuperComputing Applications and Innovation Department Via Magnanelli 6/3, Casalecchio di Reno (BO) Italy www.cineca.it Tel: +39 051 6171722 g.fatigati [AT] cineca.it
