/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
/*
* (C) 2011 by Argonne National Laboratory.
* See COPYRIGHT in top-level directory.
*/
#include "mpiimpl.h"
/* -- Begin Profiling Symbol Block for routine MPI_Status_set_elements_x */
#if defined(HAVE_PRAGMA_WEAK)
#pragma weak MPI_Status_set_elements_x = PMPI_Status_set_elements_x
#elif defined(HAVE_PRAGMA_HP_SEC_DEF)
#pragma _HP_SECONDARY_DEF PMPI_Status_set_elements_x MPI_Status_set_elements_x
#elif defined(HAVE_PRAGMA_CRI_DUP)
#pragma _CRI duplicate MPI_Status_set_elements_x as PMPI_Status_set_elements_x
#elif defined(HAVE_WEAK_ATTRIBUTE)
int MPI_Status_set_elements_x(MPI_Status * status, MPI_Datatype datatype, MPI_Count count)
__attribute__ ((weak, alias("PMPI_Status_set_elements_x")));
#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_Status_set_elements_x
#define MPI_Status_set_elements_x PMPI_Status_set_elements_x
/* any non-MPI functions go here, especially non-static ones */
#undef FUNCNAME
#define FUNCNAME MPIR_Status_set_elements_x_impl
#undef FCNAME
#define FCNAME MPL_QUOTE(FUNCNAME)
int MPIR_Status_set_elements_x_impl(MPI_Status * status, MPI_Datatype datatype, MPI_Count count)
{
int mpi_errno = MPI_SUCCESS;
MPI_Count size_x;
MPIR_Datatype_get_size_macro(datatype, size_x);
/* overflow check, should probably be a real error check? */
if (count != 0) {
MPIR_Assert(size_x >= 0 && count > 0);
MPIR_Assert(count * size_x < MPIR_COUNT_MAX);
}
MPIR_STATUS_SET_COUNT(*status, size_x * count);
return mpi_errno;
}
#endif /* MPICH_MPI_FROM_PMPI */
#undef FUNCNAME
#define FUNCNAME MPI_Status_set_elements_x
#undef FCNAME
#define FCNAME MPL_QUOTE(FUNCNAME)
/*@
MPI_Status_set_elements_x - Set the number of elements in a status
Input/Output Parameters:
. status - status with which to associate count (Status)
Input Parameters:
+ datatype - datatype associated with count (handle)
- count - number of elements to associate with status (integer)
.N ThreadSafe
.N Fortran
.N Errors
@*/
int MPI_Status_set_elements_x(MPI_Status * status, MPI_Datatype datatype, MPI_Count count)
{
int mpi_errno = MPI_SUCCESS;
MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_STATUS_SET_ELEMENTS_X);
MPID_THREAD_CS_ENTER(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
MPIR_FUNC_TERSE_ENTER(MPID_STATE_MPI_STATUS_SET_ELEMENTS_X);
/* Validate parameters, especially handles needing to be converted */
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
MPIR_ERRTEST_DATATYPE(datatype, "datatype", mpi_errno);
/* TODO more checks may be appropriate */
}
MPID_END_ERROR_CHECKS;
}
#endif /* HAVE_ERROR_CHECKING */
/* Convert MPI object handles to object pointers */
/* Validate parameters and objects (post conversion) */
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
if (HANDLE_GET_KIND(datatype) != HANDLE_KIND_BUILTIN) {
MPIR_Datatype *datatype_ptr = NULL;
MPIR_Datatype_get_ptr(datatype, datatype_ptr);
MPIR_Datatype_valid_ptr(datatype_ptr, mpi_errno);
MPIR_Datatype_committed_ptr(datatype_ptr, mpi_errno);
}
/* TODO more checks may be appropriate (counts, in_place, buffer aliasing, etc) */
if (mpi_errno != MPI_SUCCESS)
goto fn_fail;
}
MPID_END_ERROR_CHECKS;
}
#endif /* HAVE_ERROR_CHECKING */
/* ... body of routine ... */
mpi_errno = MPIR_Status_set_elements_x_impl(status, datatype, count);
if (mpi_errno)
MPIR_ERR_POP(mpi_errno);
/* ... end of body of routine ... */
fn_exit:
MPIR_FUNC_TERSE_EXIT(MPID_STATE_MPI_STATUS_SET_ELEMENTS_X);
MPID_THREAD_CS_EXIT(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
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_status_set_elements_x",
"**mpi_status_set_elements_x %p %D %c", status, datatype, count);
}
#endif
mpi_errno = MPIR_Err_return_comm(NULL, FCNAME, mpi_errno);
goto fn_exit;
/* --END ERROR HANDLING-- */
}