/*D
   MPI_T_source_get_info - Returns additional information on the source identified by the source_index argument

Synopsis:
.vb
int MPI_T_source_get_info(int source_index, char *name, int *name_len,
                          char *desc, int *desc_len,
                          MPI_T_source_order *ordering,
                          MPI_Count *ticks_per_second, MPI_Count *max_ticks,
                          MPI_Info *info)
.ve

Input Parameters:
. source_index - index of the source to be queried between $0$ and $num_sources-1$ (integer)

Input/Output Parameters:
+ name_len - length of the string and/or buffer for name (integer)
- desc_len - length of the string and/or buffer for desc (integer)

Output Parameters:
+ name - buffer to return the string containing the name of the source (string)
. desc - buffer to return the string containing the description of the source (string)
. ordering - flag indicating chronological ordering guarantees given by the source (integer)
. ticks_per_second - the number of ticks per second for the timer of this source (integer)
. max_ticks - the maximum count of ticks reported by this source before overflow occurs (integer)
- info - info argument (handle)

.N ThreadSafe

.N Errors
.N MPI_SUCCESS
.N MPI_T_ERR_INVALID
.N MPI_T_ERR_INVALID_INDEX
.N MPI_T_ERR_NOT_INITIALIZED
.N MPI_ERR_OTHER

D*/

