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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
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/*
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*
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* (C) 2001 by Argonne National Laboratory.
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* See COPYRIGHT in top-level directory.
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*/
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#include "mpiimpl.h"
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/* -- Begin Profiling Symbol Block for routine MPI_Bsend_init */
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#if defined(HAVE_PRAGMA_WEAK)
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#pragma weak MPI_Bsend_init = PMPI_Bsend_init
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#elif defined(HAVE_PRAGMA_HP_SEC_DEF)
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#pragma _HP_SECONDARY_DEF PMPI_Bsend_init MPI_Bsend_init
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#elif defined(HAVE_PRAGMA_CRI_DUP)
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#pragma _CRI duplicate MPI_Bsend_init as PMPI_Bsend_init
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#elif defined(HAVE_WEAK_ATTRIBUTE)
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int MPI_Bsend_init(const void *buf, int count, MPI_Datatype datatype, int dest, int tag,
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MPI_Comm comm, MPI_Request * request)
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__attribute__ ((weak, alias("PMPI_Bsend_init")));
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#endif
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/* -- End Profiling Symbol Block */
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/* Define MPICH_MPI_FROM_PMPI if weak symbols are not supported to build
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the MPI routines */
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#ifndef MPICH_MPI_FROM_PMPI
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#undef MPI_Bsend_init
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#define MPI_Bsend_init PMPI_Bsend_init
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#endif
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#undef FUNCNAME
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#define FUNCNAME MPI_Bsend_init
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#undef FCNAME
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#define FCNAME MPL_QUOTE(FUNCNAME)
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/*@
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MPI_Bsend_init - Builds a handle for a buffered send
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Input Parameters:
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+ buf - initial address of send buffer (choice)
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. count - number of elements sent (integer)
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. datatype - type of each element (handle)
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. dest - rank of destination (integer)
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. tag - message tag (integer)
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- comm - communicator (handle)
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Output Parameters:
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. request - communication request (handle)
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.N ThreadSafe
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.N Fortran
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.N Errors
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.N MPI_SUCCESS
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.N MPI_ERR_COMM
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.N MPI_ERR_COUNT
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.N MPI_ERR_TYPE
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.N MPI_ERR_RANK
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.N MPI_ERR_TAG
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.seealso: MPI_Buffer_attach
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@*/
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int MPI_Bsend_init(const void *buf, int count, MPI_Datatype datatype,
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int dest, int tag, MPI_Comm comm, MPI_Request * request)
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{
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int mpi_errno = MPI_SUCCESS;
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MPIR_Request *request_ptr = NULL;
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MPIR_Comm *comm_ptr = NULL;
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MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_BSEND_INIT);
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MPIR_ERRTEST_INITIALIZED_ORDIE();
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MPID_THREAD_CS_ENTER(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
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MPIR_FUNC_TERSE_PT2PT_ENTER(MPID_STATE_MPI_BSEND_INIT);
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/* Validate handle parameters needing to be converted */
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#ifdef HAVE_ERROR_CHECKING
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{
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MPID_BEGIN_ERROR_CHECKS;
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{
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MPIR_ERRTEST_COMM(comm, mpi_errno);
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}
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MPID_END_ERROR_CHECKS;
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}
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#endif /* HAVE_ERROR_CHECKING */
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/* Convert MPI object handles to object pointers */
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MPIR_Comm_get_ptr(comm, comm_ptr);
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/* Validate parameters if error checking is enabled */
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#ifdef HAVE_ERROR_CHECKING
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{
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MPID_BEGIN_ERROR_CHECKS;
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{
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MPIR_Comm_valid_ptr(comm_ptr, mpi_errno, FALSE);
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if (mpi_errno)
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goto fn_fail;
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MPIR_ERRTEST_COUNT(count, mpi_errno);
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MPIR_ERRTEST_DATATYPE(datatype, "datatype", mpi_errno);
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MPIR_ERRTEST_SEND_RANK(comm_ptr, dest, mpi_errno);
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MPIR_ERRTEST_SEND_TAG(tag, mpi_errno);
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MPIR_ERRTEST_ARGNULL(request, "request", mpi_errno);
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/* Validate datatype object */
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if (HANDLE_GET_KIND(datatype) != HANDLE_KIND_BUILTIN) {
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MPIR_Datatype *datatype_ptr = NULL;
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MPIR_Datatype_get_ptr(datatype, datatype_ptr);
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MPIR_Datatype_valid_ptr(datatype_ptr, mpi_errno);
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if (mpi_errno)
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goto fn_fail;
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MPIR_Datatype_committed_ptr(datatype_ptr, mpi_errno);
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if (mpi_errno)
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goto fn_fail;
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}
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}
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MPID_END_ERROR_CHECKS;
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}
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#endif /* HAVE_ERROR_CHECKING */
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/* ... body of routine ... */
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mpi_errno = MPID_Bsend_init(buf, count, datatype, dest, tag, comm_ptr,
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MPIR_CONTEXT_INTRA_PT2PT, &request_ptr);
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if (mpi_errno != MPI_SUCCESS)
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goto fn_fail;
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MPII_SENDQ_REMEMBER(request_ptr, dest, tag, comm_ptr->context_id);
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/* return the handle of the request to the user */
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MPIR_OBJ_PUBLISH_HANDLE(*request, request_ptr->handle);
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/* ... end of body of routine ... */
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fn_exit:
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MPIR_FUNC_TERSE_PT2PT_EXIT(MPID_STATE_MPI_BSEND_INIT);
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MPID_THREAD_CS_EXIT(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
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return mpi_errno;
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fn_fail:
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/* --BEGIN ERROR HANDLING-- */
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#ifdef HAVE_ERROR_CHECKING
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{
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mpi_errno =
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MPIR_Err_create_code(mpi_errno, MPIR_ERR_RECOVERABLE, FCNAME, __LINE__, MPI_ERR_OTHER,
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"**mpi_bsend_init", "**mpi_bsend_init %p %d %D %i %t %C %p", buf,
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count, datatype, dest, tag, comm, request);
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}
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#endif
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mpi_errno = MPIR_Err_return_comm(comm_ptr, FCNAME, mpi_errno);
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goto fn_exit;
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/* --END ERROR HANDLING-- */
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}
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