/*D
   MPI_T_pvar_session_create - Create a new session for accessing performance variables

Synopsis:
.vb
int MPI_T_pvar_session_create(MPI_T_pvar_session *session)
.ve

Output Parameters:
. session - identifier of performance session (handle)

.N ThreadSafe

.N Errors
.N MPI_SUCCESS
.N MPI_T_ERR_INVALID
.N MPI_T_ERR_NOT_INITIALIZED
.N MPI_T_ERR_OUT_OF_SESSIONS
.N MPI_ERR_OTHER

D*/

