/*@
MPI_T_enum_get_item - Get the information about an item in an enumeration
Input/Output Parameters:
. name_len - length of the string and/or buffer for name (integer)
Input Parameters:
. enumtype - enumeration to be queried (handle)
Output Parameters:
+ index - number of the value to be queried in this enumeration (integer)
. value - variable value (integer)
- name - buffer to return the string containing the name of the enumeration item (string)
.N ThreadSafe
.N Errors
.N MPI_SUCCESS
.N MPI_T_ERR_NOT_INITIALIZED
.N MPI_T_ERR_INVALID_HANDLE
.N MPI_T_ERR_INVALID_ITEM
@*/
int MPI_T_enum_get_item(MPI_T_enum enumtype, int index, int *value, char *name, int *name_len)
{
int mpi_errno = MPI_SUCCESS;
enum_item_t *item;
MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_T_ENUM_GET_ITEM);
MPIR_ERRTEST_MPIT_INITIALIZED(mpi_errno);
MPIR_T_THREAD_CS_ENTER();
MPIR_FUNC_TERSE_ENTER(MPID_STATE_MPI_T_ENUM_GET_ITEM);
/* Validate parameters */
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
MPIR_ERRTEST_ENUM_HANDLE(enumtype, mpi_errno);
MPIR_ERRTEST_ENUM_ITEM(enumtype, index, mpi_errno);
MPIR_ERRTEST_ARGNULL(value, "value", mpi_errno);
/* Do not do TEST_ARGNULL for name or name_len, since this is
* permitted per MPI_T standard.
*/
}
MPID_END_ERROR_CHECKS;
}
#endif /* HAVE_ERROR_CHECKING */
/* ... body of routine ... */
item = (enum_item_t *) utarray_eltptr(enumtype->items, index);
*value = item->value;
MPIR_T_strncpy(name, item->name, name_len);
/* ... end of body of routine ... */
#ifdef HAVE_ERROR_CHECKING
fn_exit:
#endif
MPIR_FUNC_TERSE_EXIT(MPID_STATE_MPI_T_ENUM_GET_ITEM);
MPIR_T_THREAD_CS_EXIT();
return mpi_errno;
#ifdef HAVE_ERROR_CHECKING
fn_fail:
/* --BEGIN ERROR HANDLING-- */
{
mpi_errno =
MPIR_Err_create_code(mpi_errno, MPIR_ERR_RECOVERABLE, __func__, __LINE__, MPI_ERR_OTHER,
"**mpi_t_enum_get_item", "**mpi_t_enum_get_item %p %d %p %p %p",
enumtype, index, value, name, name_len);
}
mpi_errno = MPIR_Err_return_comm(NULL, __func__, mpi_errno);
goto fn_exit;
/* --END ERROR HANDLING-- */
#endif
}
/*@
MPI_T_enum_get_info - Get the information about an enumeration
Input/Output Parameters:
. name_len - length of the string and/or buffer for name (integer)
Input Parameters:
. enumtype - enumeration to be queried (handle)
Output Parameters:
+ num - number of discrete values represented by this enumeration (integer)
- name - buffer to return the string containing the name of the enumeration (string)
.N ThreadSafe
.N Errors
.N MPI_SUCCESS
.N MPI_T_ERR_NOT_INITIALIZED
.N MPI_T_ERR_INVALID_HANDLE
@*/
int MPI_T_enum_get_info(MPI_T_enum enumtype, int *num, char *name, int *name_len)
{
int mpi_errno = MPI_SUCCESS;
MPID_MPI_STATE_DECL(MPID_STATE_MPI_T_ENUM_GET_INFO);
MPIR_ERRTEST_MPIT_INITIALIZED(mpi_errno);
MPIR_T_THREAD_CS_ENTER();
MPID_MPI_FUNC_ENTER(MPID_STATE_MPI_T_ENUM_GET_INFO);
/* Validate parameters */
# ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS
{
MPIR_ERRTEST_ENUM_HANDLE(enumtype, mpi_errno);
MPIR_ERRTEST_ARGNULL(num, "num", mpi_errno);
/* Do not do _TEST_ARGNULL for name or name_len, since this is
* permitted per MPI_T standard.
*/
}
MPID_END_ERROR_CHECKS
}
# endif /* HAVE_ERROR_CHECKING */
/* ... body of routine ... */
*num = utarray_len(enumtype->items);
MPIR_T_strncpy(name, enumtype->name, name_len);
/* ... end of body of routine ... */
fn_exit:
MPID_MPI_FUNC_EXIT(MPID_STATE_MPI_T_ENUM_GET_INFO);
MPIR_T_THREAD_CS_EXIT();
return mpi_errno;
fn_fail:
/* --BEGIN ERROR HANDLING-- */
# ifdef HAVE_ERROR_CHECKING
{
mpi_errno = MPIR_Err_create_code(
mpi_errno, MPIR_ERR_RECOVERABLE, FCNAME, __LINE__, MPI_ERR_OTHER,
"**mpi_t_enum_get_info", "**mpi_t_enum_get_info %p %p %p %p",
enumtype, num, name, name_len);
}
# endif
mpi_errno = MPIR_Err_return_comm(NULL, FCNAME, mpi_errno);
goto fn_exit;
/* --END ERROR HANDLING-- */
}
