Add some more globals per recent e-mails; keep the initially

requested MPI thread level as well as the provided MPI thread levels.
Also keep a bool indicating whether there may be multiple user
threads in MPI simultaneously (essentially whether we are
MPI_THREAD_MULTIPLE or not)

This commit was SVN r608.

src/mpi/runtime/lam_mpi_globals.c

@@ -4,9 +4,17 @@
 
 #include "lam_config.h"
 
+#include "mpi.h"
+
+
 /*
  * Global variables and symbols for the MPI layer
  */
 
 bool lam_mpi_initialized = false;
 bool lam_mpi_finalized = false;
+
+bool lam_mpi_thread_multiple = false;
+int lam_mpi_thread_requested = MPI_THREAD_SINGLE;
+int lam_mpi_thread_provided = MPI_THREAD_SINGLE;
+