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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2013-2016 Los Alamos National Security, LLC. All rights
* reserved.
* Copyright (c) 2021 Triad National Security, LLC. All rights
* reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#ifndef OMPI_COMM_REQ_H
#define OMPI_COMM_REQ_H
#include "opal/class/opal_list.h"
#include "ompi/request/request.h"
/* increase this number if more subrequests are needed */
#define OMPI_COMM_REQUEST_MAX_SUBREQ 2
/* indicate that the caller will free subrequests */
#define OMPI_COMM_REQ_FLAG_RETAIN_SUBREQ 0x00000001
typedef struct ompi_comm_request_t {
ompi_request_t super;
opal_object_t *context;
opal_list_t schedule;
} ompi_comm_request_t;
OBJ_CLASS_DECLARATION(ompi_comm_request_t);
typedef int (*ompi_comm_request_callback_fn_t) (ompi_comm_request_t *);
void ompi_comm_request_init (void);
void ompi_comm_request_fini (void);
int ompi_comm_request_schedule_append (ompi_comm_request_t *request, ompi_comm_request_callback_fn_t callback,
ompi_request_t *subreqs[], int subreq_count);
int ompi_comm_request_schedule_append_w_flags(ompi_comm_request_t *request, ompi_comm_request_callback_fn_t callback,
ompi_request_t *subreqs[], int subreq_count, uint32_t flags);
void ompi_comm_request_start (ompi_comm_request_t *request);
ompi_comm_request_t *ompi_comm_request_get (void);
void ompi_comm_request_return (ompi_comm_request_t *request);
#endif /* OMPI_COMM_REQ_H */
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