Commit 2c679a8d authored by Jakub Klinkovský's avatar Jakub Klinkovský
Browse files

Added comments documenting the MPI_THREAD_* constants

parent 7b1b00fd

src/TNL/MPI/Wrappers.h

+4 −4
Original line number Diff line number Diff line
@@ -66,10 +66,10 @@ inline void Init( int& argc, char**& argv, int required_thread_level = MPI_THREA 
{

#ifdef HAVE_MPI

   switch( required_thread_level ) {

      case MPI_THREAD_SINGLE:

      case MPI_THREAD_FUNNELED:

      case MPI_THREAD_SERIALIZED:

      case MPI_THREAD_MULTIPLE:

      case MPI_THREAD_SINGLE:       // application is single-threaded

      case MPI_THREAD_FUNNELED:     // application is multithreaded, but all MPI calls will be issued from the master thread only

      case MPI_THREAD_SERIALIZED:   // application is multithreaded and any thread may issue MPI calls, but different threads will never issue MPI calls at the same time

      case MPI_THREAD_MULTIPLE:     // application is multithreaded and any thread may issue MPI calls at any time

         break;

      default:

         std::cerr << "ERROR: invalid argument for the 'required' thread level support: " << required_thread_level << std::endl;