/* -*- 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_Ssend_init */
#if defined(HAVE_PRAGMA_WEAK)
#pragma weak MPI_Ssend_init = PMPI_Ssend_init
#elif defined(HAVE_PRAGMA_HP_SEC_DEF)
#pragma _HP_SECONDARY_DEF PMPI_Ssend_init MPI_Ssend_init
#elif defined(HAVE_PRAGMA_CRI_DUP)
#pragma _CRI duplicate MPI_Ssend_init as PMPI_Ssend_init
#elif defined(HAVE_WEAK_ATTRIBUTE)
int MPI_Ssend_init(const void *buf, int count, MPI_Datatype datatype, int dest, int tag,
MPI_Comm comm, MPI_Request * request)
__attribute__ ((weak, alias("PMPI_Ssend_init")));
#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_Ssend_init
#define MPI_Ssend_init PMPI_Ssend_init
#endif
#undef FUNCNAME
#define FUNCNAME MPI_Ssend_init
#undef FCNAME
#define FCNAME MPL_QUOTE(FUNCNAME)
/*@
MPI_Ssend_init - Creates a persistent request for a synchronous send
Input Parameters:
+ buf - initial address of send buffer (choice)
. count - number of elements sent (integer)
. datatype - type of each element (handle)
. dest - rank of destination (integer)
. tag - message tag (integer)
- comm - communicator (handle)
Output Parameters:
. request - communication request (handle)
.N ThreadSafe
.N Fortran
.N Errors
.N MPI_SUCCESS
.N MPI_ERR_COMM
.N MPI_ERR_COUNT
.N MPI_ERR_TYPE
.N MPI_ERR_TAG
.N MPI_ERR_RANK
@*/
int MPI_Ssend_init(const void *buf, int count, MPI_Datatype datatype, int dest,
int tag, MPI_Comm comm, MPI_Request * request)
{
int mpi_errno = MPI_SUCCESS;
MPIR_Comm *comm_ptr = NULL;
MPIR_Request *request_ptr = NULL;
MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_SSEND_INIT);
MPIR_ERRTEST_INITIALIZED_ORDIE();
MPID_THREAD_CS_ENTER(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
MPIR_FUNC_TERSE_PT2PT_ENTER(MPID_STATE_MPI_SSEND_INIT);
/* Validate handle parameters needing to be converted */
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
MPIR_ERRTEST_COMM(comm, mpi_errno);
}
MPID_END_ERROR_CHECKS;
}
#endif /* HAVE_ERROR_CHECKING */
/* Convert MPI object handles to object pointers */
MPIR_Comm_get_ptr(comm, comm_ptr);
/* Validate parameters if error checking is enabled */
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
MPIR_Comm_valid_ptr(comm_ptr, mpi_errno, FALSE);
if (mpi_errno)
goto fn_fail;
MPIR_ERRTEST_COUNT(count, mpi_errno);
MPIR_ERRTEST_SEND_RANK(comm_ptr, dest, mpi_errno);
MPIR_ERRTEST_SEND_TAG(tag, mpi_errno);
MPIR_ERRTEST_ARGNULL(request, "request", mpi_errno);
/* Validate datatype handle */
MPIR_ERRTEST_DATATYPE(datatype, "datatype", mpi_errno);
/* Validate datatype object */
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);
if (mpi_errno)
goto fn_fail;
MPIR_Datatype_committed_ptr(datatype_ptr, mpi_errno);
if (mpi_errno)
goto fn_fail;
}
/* Validate buffer */
MPIR_ERRTEST_USERBUFFER(buf, count, datatype, mpi_errno);
}
MPID_END_ERROR_CHECKS;
}
#endif /* HAVE_ERROR_CHECKING */
/* ... body of routine ... */
mpi_errno = MPID_Ssend_init(buf, count, datatype, dest, tag, comm_ptr,
MPIR_CONTEXT_INTRA_PT2PT, &request_ptr);
if (mpi_errno != MPI_SUCCESS)
goto fn_fail;
/* return the handle of the request to the user */
MPIR_OBJ_PUBLISH_HANDLE(*request, request_ptr->handle);
/* ... end of body of routine ... */
fn_exit:
MPIR_FUNC_TERSE_PT2PT_EXIT(MPID_STATE_MPI_SSEND_INIT);
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_ssend_init", "**mpi_ssend_init %p %d %D %i %t %C %p", buf,
count, datatype, dest, tag, comm, request);
}
#endif
mpi_errno = MPIR_Err_return_comm(comm_ptr, FCNAME, mpi_errno);
goto fn_exit;
/* --END ERROR HANDLING-- */
}