MPI_Comm comm_self_ = MPI_COMM_NULL;
MPI_Comm comm_intra_ = MPI_COMM_NULL;
MPI_Comm* comm_world_ = nullptr;
+ void* data_ = nullptr; /* user data */
int index_ = MPI_UNDEFINED;
char state_;
int sampling_ = 0; /* inside an SMPI_SAMPLE_ block? */
void mark_as_initialized();
void set_replaying(bool value);
bool replaying();
+ void set_user_data(void *data);
+ void *get_user_data();
smpi_trace_call_location_t* call_location();
int index();
MPI_Comm comm_world();