/* -*- 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"
/* -- Begin Profiling Symbol Block for routine MPI_Get */
#if defined(HAVE_PRAGMA_WEAK)
#pragma weak MPI_Get = PMPI_Get
#elif defined(HAVE_PRAGMA_HP_SEC_DEF)
#pragma _HP_SECONDARY_DEF PMPI_Get MPI_Get
#elif defined(HAVE_PRAGMA_CRI_DUP)
#pragma _CRI duplicate MPI_Get as PMPI_Get
#elif defined(HAVE_WEAK_ATTRIBUTE)
int MPI_Get(void *origin_addr, int origin_count, MPI_Datatype origin_datatype,
int target_rank, MPI_Aint target_disp, int target_count,
MPI_Datatype target_datatype, MPI_Win win) __attribute__ ((weak, alias("PMPI_Get")));
#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_Get
#define MPI_Get PMPI_Get
#endif
#undef FUNCNAME
#define FUNCNAME MPI_Get
#undef FCNAME
#define FCNAME MPL_QUOTE(FUNCNAME)
/*@
MPI_Get - Get data from a memory window on a remote process
Input Parameters:
+ origin_addr - Address of the buffer in which to receive the data
. origin_count - number of entries in origin buffer (nonnegative integer)
. origin_datatype - datatype of each entry in origin buffer (handle)
. target_rank - rank of target (nonnegative integer)
. target_disp - displacement from window start to the beginning of the
target buffer (nonnegative integer)
. target_count - number of entries in target buffer (nonnegative integer)
. target_datatype - datatype of each entry in target buffer (handle)
- win - window object used for communication (handle)
.N ThreadSafe
.N Fortran
.N Errors
.N MPI_SUCCESS
.N MPI_ERR_ARG
.N MPI_ERR_COUNT
.N MPI_ERR_RANK
.N MPI_ERR_TYPE
.N MPI_ERR_WIN
.seealso: MPI_Rget
@*/
int MPI_Get(void *origin_addr, int origin_count, MPI_Datatype
origin_datatype, int target_rank, MPI_Aint target_disp,
int target_count, MPI_Datatype target_datatype, MPI_Win win)
{
int mpi_errno = MPI_SUCCESS;
MPIR_Win *win_ptr = NULL;
MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_GET);
MPIR_ERRTEST_INITIALIZED_ORDIE();
MPID_THREAD_CS_ENTER(VNI_GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
MPIR_FUNC_TERSE_RMA_ENTER(MPID_STATE_MPI_GET);
/* Validate parameters, especially handles needing to be converted */
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
MPIR_ERRTEST_WIN(win, mpi_errno);
}
MPID_END_ERROR_CHECKS;
}
#endif /* HAVE_ERROR_CHECKING */
/* Convert MPI object handles to object pointers */
MPIR_Win_get_ptr(win, win_ptr);
/* Validate parameters and objects (post conversion) */
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
MPIR_Comm *comm_ptr;
/* Validate win_ptr */
MPIR_Win_valid_ptr(win_ptr, mpi_errno);
if (mpi_errno)
goto fn_fail;
MPIR_ERRTEST_COUNT(origin_count, mpi_errno);
MPIR_ERRTEST_DATATYPE(origin_datatype, "origin_datatype", mpi_errno);
MPIR_ERRTEST_USERBUFFER(origin_addr, origin_count, origin_datatype, mpi_errno);
MPIR_ERRTEST_COUNT(target_count, mpi_errno);
MPIR_ERRTEST_DATATYPE(target_datatype, "target_datatype", mpi_errno);
if (win_ptr->create_flavor != MPI_WIN_FLAVOR_DYNAMIC)
MPIR_ERRTEST_DISP(target_disp, mpi_errno);
if (HANDLE_GET_KIND(origin_datatype) != HANDLE_KIND_BUILTIN) {
MPIR_Datatype *datatype_ptr = NULL;
MPIR_Datatype_get_ptr(origin_datatype, datatype_ptr);
MPIR_Datatype_valid_ptr(datatype_ptr, mpi_errno);
if (mpi_errno != MPI_SUCCESS)
goto fn_fail;
MPIR_Datatype_committed_ptr(datatype_ptr, mpi_errno);
if (mpi_errno != MPI_SUCCESS)
goto fn_fail;
}
if (HANDLE_GET_KIND(target_datatype) != HANDLE_KIND_BUILTIN) {
MPIR_Datatype *datatype_ptr = NULL;
MPIR_Datatype_get_ptr(target_datatype, datatype_ptr);
MPIR_Datatype_valid_ptr(datatype_ptr, mpi_errno);
if (mpi_errno != MPI_SUCCESS)
goto fn_fail;
MPIR_Datatype_committed_ptr(datatype_ptr, mpi_errno);
if (mpi_errno != MPI_SUCCESS)
goto fn_fail;
}
comm_ptr = win_ptr->comm_ptr;
MPIR_ERRTEST_SEND_RANK(comm_ptr, target_rank, mpi_errno);
}
MPID_END_ERROR_CHECKS;
}
#endif /* HAVE_ERROR_CHECKING */
/* ... body of routine ... */
mpi_errno = MPID_Get(origin_addr, origin_count, origin_datatype,
target_rank, target_disp, target_count, target_datatype, win_ptr);
if (mpi_errno != MPI_SUCCESS)
goto fn_fail;
/* ... end of body of routine ... */
fn_exit:
MPIR_FUNC_TERSE_RMA_EXIT(MPID_STATE_MPI_GET);
MPID_THREAD_CS_EXIT(VNI_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_get", "**mpi_get %p %d %D %d %d %d %D %W", origin_addr,
origin_count, origin_datatype, target_rank, target_disp,
target_count, target_datatype, win);
}
#endif
mpi_errno = MPIR_Err_return_win(win_ptr, FCNAME, mpi_errno);
goto fn_exit;
/* --END ERROR HANDLING-- */
}