/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
/*
*
* (C) 2001 by Argonne National Laboratory.
* See COPYRIGHT in top-level directory.
*/
#include "mpiimpl.h"
#include "datatype.h"
/* -- Begin Profiling Symbol Block for routine MPI_Type_get_name */
#if defined(HAVE_PRAGMA_WEAK)
#pragma weak MPI_Type_get_name = PMPI_Type_get_name
#elif defined(HAVE_PRAGMA_HP_SEC_DEF)
#pragma _HP_SECONDARY_DEF PMPI_Type_get_name MPI_Type_get_name
#elif defined(HAVE_PRAGMA_CRI_DUP)
#pragma _CRI duplicate MPI_Type_get_name as PMPI_Type_get_name
#elif defined(HAVE_WEAK_ATTRIBUTE)
int MPI_Type_get_name(MPI_Datatype datatype, char *type_name, int *resultlen) __attribute__((weak,alias("PMPI_Type_get_name")));
#endif
/* -- End Profiling Symbol Block */
/* Define MPICH_MPI_FROM_PMPI if weak symbols are not supported to build
the MPI routines */
#ifndef MPICH_MPI_FROM_PMPI
#undef MPI_Type_get_name
#define MPI_Type_get_name PMPI_Type_get_name
#endif
/* This routine initializes all of the name fields in the predefined
datatypes */
#ifndef MPICH_MPI_FROM_PMPI
/* Include these definitions only with the PMPI version */
typedef struct mpi_names_t { MPI_Datatype dtype; const char *name; } mpi_names_t;
/* The MPI standard specifies that the names must be the MPI names,
not the related language names (e.g., MPI_CHAR, not char) */
#define type_name_entry(x_) { x_, #x_ }
static mpi_names_t mpi_names[] = {
type_name_entry(MPI_CHAR),
type_name_entry(MPI_SIGNED_CHAR),
type_name_entry(MPI_UNSIGNED_CHAR),
type_name_entry(MPI_BYTE),
type_name_entry(MPI_WCHAR),
type_name_entry(MPI_SHORT),
type_name_entry(MPI_UNSIGNED_SHORT),
type_name_entry(MPI_INT),
type_name_entry(MPI_UNSIGNED),
type_name_entry(MPI_LONG),
type_name_entry(MPI_UNSIGNED_LONG),
type_name_entry(MPI_FLOAT),
type_name_entry(MPI_DOUBLE),
type_name_entry(MPI_LONG_DOUBLE),
/* LONG_LONG_INT is allowed as an alias; we don't make it a separate
type */
/* type_name_entry(MPI_LONG_LONG_INT), */
type_name_entry(MPI_LONG_LONG),
type_name_entry(MPI_UNSIGNED_LONG_LONG),
type_name_entry(MPI_PACKED),
type_name_entry(MPI_LB),
type_name_entry(MPI_UB),
/* The maxloc/minloc types are not builtin because their size and
extent may not be the same. */
/*
type_name_entry(MPI_FLOAT_INT),
type_name_entry(MPI_DOUBLE_INT),
type_name_entry(MPI_LONG_INT),
type_name_entry(MPI_SHORT_INT),
*/
/* Fortran */
type_name_entry(MPI_COMPLEX),
type_name_entry(MPI_DOUBLE_COMPLEX),
type_name_entry(MPI_LOGICAL),
type_name_entry(MPI_REAL),
type_name_entry(MPI_DOUBLE_PRECISION),
type_name_entry(MPI_INTEGER),
type_name_entry(MPI_2INTEGER),
#ifdef MPICH_DEFINE_2COMPLEX
type_name_entry(MPI_2COMPLEX),
type_name_entry(MPI_2DOUBLE_COMPLEX),
#endif
type_name_entry(MPI_2REAL),
type_name_entry(MPI_2DOUBLE_PRECISION),
type_name_entry(MPI_CHARACTER),
/* Size-specific types (C, Fortran, and C++) */
type_name_entry(MPI_REAL4),
type_name_entry(MPI_REAL8),
type_name_entry(MPI_REAL16),
type_name_entry(MPI_COMPLEX8),
type_name_entry(MPI_COMPLEX16),
type_name_entry(MPI_COMPLEX32),
type_name_entry(MPI_INTEGER1),
type_name_entry(MPI_INTEGER2),
type_name_entry(MPI_INTEGER4),
type_name_entry(MPI_INTEGER8),
type_name_entry(MPI_INTEGER16),
/* C99 types */
type_name_entry(MPI_INT8_T),
type_name_entry(MPI_INT16_T),
type_name_entry(MPI_INT32_T),
type_name_entry(MPI_INT64_T),
type_name_entry(MPI_UINT8_T),
type_name_entry(MPI_UINT16_T),
type_name_entry(MPI_UINT32_T),
type_name_entry(MPI_UINT64_T),
type_name_entry(MPI_C_BOOL),
type_name_entry(MPI_C_FLOAT_COMPLEX),
type_name_entry(MPI_C_DOUBLE_COMPLEX),
type_name_entry(MPI_C_LONG_DOUBLE_COMPLEX),
/* C++ types */
type_name_entry(MPI_CXX_BOOL),
type_name_entry(MPI_CXX_FLOAT_COMPLEX),
type_name_entry(MPI_CXX_DOUBLE_COMPLEX),
type_name_entry(MPI_CXX_LONG_DOUBLE_COMPLEX),
/* address/offset types */
type_name_entry(MPI_AINT),
type_name_entry(MPI_OFFSET),
type_name_entry(MPI_COUNT),
{ 0, (char *) 0 }, /* Sentinel used to indicate the last element */
};
static mpi_names_t mpi_maxloc_names[] = {
type_name_entry(MPI_FLOAT_INT),
type_name_entry(MPI_DOUBLE_INT),
type_name_entry(MPI_LONG_INT),
type_name_entry(MPI_SHORT_INT),
type_name_entry(MPI_2INT),
type_name_entry(MPI_LONG_DOUBLE_INT),
{ 0, (char *) 0 }, /* Sentinel used to indicate the last element */
};
#undef type_name_entry
/* This routine is also needed by type_set_name */
int MPIR_Datatype_init_names(void)
{
#ifdef HAVE_ERROR_CHECKING
static const char FCNAME[] = "MPIR_Datatype_init_names";
#endif
int mpi_errno = MPI_SUCCESS;
int i;
MPID_Datatype *datatype_ptr = NULL;
static volatile int needsInit = 1;
MPID_THREAD_CS_ENTER(POBJ, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
if (needsInit) {
/* Make sure that the basics have datatype structures allocated
* and filled in for them. They are just integers prior to this
* call.
*/
mpi_errno = MPIR_Datatype_builtin_fillin();
if (mpi_errno != MPI_SUCCESS) {
MPIR_ERR_POPFATAL(mpi_errno);
}
/* For each predefined type, ensure that there is a corresponding
object and that the object's name is set */
for (i=0; mpi_names[i].name != 0; i++) {
/* The size-specific types may be DATATYPE_NULL, as might be those
based on 'long long' and 'long double' if those types were
disabled at configure time. */
if (mpi_names[i].dtype == MPI_DATATYPE_NULL) continue;
MPID_Datatype_get_ptr(mpi_names[i].dtype, datatype_ptr);
if (datatype_ptr < MPID_Datatype_builtin ||
datatype_ptr > MPID_Datatype_builtin + MPID_DATATYPE_N_BUILTIN)
{
MPIR_ERR_SETFATALANDJUMP1(mpi_errno,MPI_ERR_INTERN,
"**typeinitbadmem","**typeinitbadmem %d", i);
}
if (!datatype_ptr) {
MPIR_ERR_SETFATALANDJUMP1(mpi_errno,MPI_ERR_INTERN,
"**typeinitfail", "**typeinitfail %d", i - 1);
}
MPIU_DBG_MSG_FMT(DATATYPE,VERBOSE,(MPIU_DBG_FDEST,
"mpi_names[%d].name = %p", i, mpi_names[i].name));
MPIU_Strncpy(datatype_ptr->name, mpi_names[i].name,
MPI_MAX_OBJECT_NAME);
}
/* Handle the minloc/maxloc types */
for (i=0; mpi_maxloc_names[i].name != 0; i++) {
/* types based on 'long long' and 'long double' may be disabled at
configure time, and their values set to MPI_DATATYPE_NULL. skip
those types. */
if (mpi_maxloc_names[i].dtype == MPI_DATATYPE_NULL) continue;
MPID_Datatype_get_ptr(mpi_maxloc_names[i].dtype,
datatype_ptr);
if (!datatype_ptr) {
MPIR_ERR_SETFATALANDJUMP(mpi_errno,MPI_ERR_INTERN, "**typeinitminmaxloc");
}
MPIU_Strncpy(datatype_ptr->name, mpi_maxloc_names[i].name,
MPI_MAX_OBJECT_NAME);
}
needsInit = 0;
}
fn_fail:
/* empty statement */ ;
MPID_THREAD_CS_EXIT(POBJ, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
return mpi_errno;
}
#endif
#undef FUNCNAME
#define FUNCNAME MPI_Type_get_name
/*@
MPI_Type_get_name - Get the print name for a datatype
Input Parameters:
. datatype - datatype whose name is to be returned (handle)
Output Parameters:
+ type_name - the name previously stored on the datatype, or a empty string
if no such name exists (string)
- resultlen - length of returned name (integer)
.N ThreadSafeNoUpdate
.N NULL
.N Fortran
.N Errors
.N MPI_SUCCESS
.N MPI_ERR_TYPE
.N MPI_ERR_ARG
@*/
int MPI_Type_get_name(MPI_Datatype datatype, char *type_name, int *resultlen)
{
static const char FCNAME[] = "MPI_Type_get_name";
int mpi_errno = MPI_SUCCESS;
MPID_Datatype *datatype_ptr = NULL;
static int setup = 0;
MPID_MPI_STATE_DECL(MPID_STATE_MPI_TYPE_GET_NAME);
MPIR_ERRTEST_INITIALIZED_ORDIE();
MPID_MPI_FUNC_ENTER(MPID_STATE_MPI_TYPE_GET_NAME);
/* Validate parameters, especially handles needing to be converted */
# ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
MPIR_ERRTEST_DATATYPE(datatype, "datatype", mpi_errno);
}
MPID_END_ERROR_CHECKS;
}
# endif
/* Note that MPI_DATATYPE_NULL is invalid input to this routine;
it must not return a string for MPI_DATATYPE_NULL. Instead,
it must return an error indicating an invalid datatype argument */
/* Convert MPI object handles to object pointers */
MPID_Datatype_get_ptr(datatype, datatype_ptr);
/* Validate parameters and objects (post conversion) */
# ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
/* Validate datatype_ptr */
MPID_Datatype_valid_ptr(datatype_ptr, mpi_errno);
if (mpi_errno) goto fn_fail;
/* If datatype_ptr is not valid, it will be reset to null */
MPIR_ERRTEST_ARGNULL(type_name,"type_name", mpi_errno);
MPIR_ERRTEST_ARGNULL(resultlen,"resultlen", mpi_errno);
}
MPID_END_ERROR_CHECKS;
}
# endif /* HAVE_ERROR_CHECKING */
/* ... body of routine ... */
/* If this is the first call, initialize all of the predefined names */
if (!setup) {
mpi_errno = MPIR_Datatype_init_names();
if (mpi_errno != MPI_SUCCESS) goto fn_fail;
setup = 1;
}
/* Include the null in MPI_MAX_OBJECT_NAME */
MPIU_Strncpy(type_name, datatype_ptr->name, MPI_MAX_OBJECT_NAME);
*resultlen = (int) strlen(type_name);
/* ... end of body of routine ... */
fn_exit:
MPID_MPI_FUNC_EXIT(MPID_STATE_MPI_TYPE_GET_NAME);
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_type_get_name",
"**mpi_type_get_name %D %p %p", datatype, type_name, resultlen);
}
# endif
mpi_errno = MPIR_Err_return_comm(NULL, FCNAME, mpi_errno);
goto fn_exit;
/* --END ERROR HANDLING-- */
}