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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2016 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2008 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2009 Sun Microsystems, Inc. All rights reserved.
* Copyright (c) 2015 Los Alamos National Security, LLC. All rights
* reserved.
* Copyright (c) 2015 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* Copyright (c) 2020 Sandia National Laboratories. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
/**
* @file
*/
#ifndef MCA_PART_BASE_REQUEST_H
#define MCA_PART_BASE_REQUEST_H
#include "ompi_config.h"
#include "opal/class/opal_free_list.h"
#include "ompi/communicator/communicator.h"
#include "ompi/request/request.h"
#include "opal/datatype/opal_convertor.h"
BEGIN_C_DECLS
/**
* External list for the partitioned requests.
*/
OMPI_DECLSPEC extern opal_free_list_t mca_part_base_psend_requests;
OMPI_DECLSPEC extern opal_free_list_t mca_part_base_precv_requests;
typedef enum {
MCA_PART_REQUEST_NULL,
MCA_PART_REQUEST_PSEND,
MCA_PART_REQUEST_PRECV
} mca_part_base_request_type_t;
/**
* Base type for Partitioned P2P requests
*/
struct mca_part_base_prequest_t {
ompi_request_t req_ompi; /**< base request */
volatile int32_t req_part_complete; /**< flag indicating if the pt-2-pt layer is done with this request */
volatile int32_t req_free_called; /**< flag indicating if the user has freed this request */
mca_part_base_request_type_t req_type; /**< MPI request type - used for test */
struct ompi_communicator_t *req_comm; /**< communicator pointer */
struct ompi_datatype_t *req_datatype; /**< pointer to data type */
opal_convertor_t req_convertor; /**< always need the convertor */
void *req_addr; /**< pointer to application buffer */
size_t req_parts; /**< number of partitions */
size_t req_count; /**< count of user datatype elements */
int32_t req_peer; /**< peer process - rank w/in this communicator */
int32_t req_tag; /**< user defined tag */
struct ompi_proc_t* req_proc; /**< peer process */
};
typedef struct mca_part_base_prequest_t mca_part_base_prequest_t;
OMPI_DECLSPEC OBJ_CLASS_DECLARATION(mca_part_base_prequest_t);
END_C_DECLS
#endif
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