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/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 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) 2006 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2018 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#ifndef OMPI_GEN_REQUEST_H
#define OMPI_GEN_REQUEST_H
#include "ompi_config.h"
#include "ompi/request/request.h"
BEGIN_C_DECLS
OMPI_DECLSPEC OBJ_CLASS_DECLARATION(ompi_grequest_t);
/**
* Fortran type for generalized request query function
*/
typedef void (MPI_F_Grequest_query_function)(MPI_Aint *extra_state,
MPI_Fint *status,
MPI_Fint *ierr);
/**
* Fortran type for generalized request free function
*/
typedef void (MPI_F_Grequest_free_function)(MPI_Aint *extra_state,
MPI_Fint *ierr);
/**
* Fortran type for generalized request cancel function
*/
typedef void (MPI_F_Grequest_cancel_function)(MPI_Aint *extra_state,
ompi_fortran_logical_t *complete,
MPI_Fint *ierr);
#if OMPI_ENABLE_GREQUEST_EXTENSIONS
/**
* Fortran type for generalized request query function
*/
typedef int (ompi_grequestx_poll_function)(void *, MPI_Status *);
typedef void (ompi_f_grequestx_poll_function)(MPI_Aint *extra_state,
MPI_Fint *status,
MPI_Fint *ierr);
#endif
/**
* Union for query function for use in ompi_grequest_t
*/
typedef union {
MPI_Grequest_query_function* c_query;
MPI_F_Grequest_query_function* f_query;
} MPI_Grequest_query_fct_t;
/**
* Union for free function for use in ompi_grequest_t
*/
typedef union {
MPI_Grequest_free_function* c_free;
MPI_F_Grequest_free_function* f_free;
} MPI_Grequest_free_fct_t;
/**
* Union for cancel function for use in ompi_grequest_t
*/
typedef union {
MPI_Grequest_cancel_function* c_cancel;
MPI_F_Grequest_cancel_function* f_cancel;
} MPI_Grequest_cancel_fct_t;
#if OMPI_ENABLE_GREQUEST_EXTENSIONS
/**
* Union for poll function for use in ompi_grequestx_t
*/
typedef union {
ompi_grequestx_poll_function* c_poll;
ompi_f_grequestx_poll_function* f_poll;
} ompi_grequestx_poll_fct_t;
#endif
/**
* Main structure for MPI generalized requests
*/
struct ompi_grequest_t {
ompi_request_t greq_base;
MPI_Grequest_query_fct_t greq_query;
MPI_Grequest_free_fct_t greq_free;
MPI_Grequest_cancel_fct_t greq_cancel;
#if OMPI_ENABLE_GREQUEST_EXTENSIONS
ompi_grequestx_poll_fct_t greq_poll;
#endif
void *greq_state;
bool greq_funcs_are_c;
};
/**
* Convenience typedef
*/
typedef struct ompi_grequest_t ompi_grequest_t;
/**
* Start a generalized request (back end for MPI_GREQUEST_START)
*/
OMPI_DECLSPEC int ompi_grequest_start(
MPI_Grequest_query_function *gquery,
MPI_Grequest_free_function *gfree,
MPI_Grequest_cancel_function *gcancel,
void* gstate,
ompi_request_t** request);
/**
* Complete a generalized request (back end for MPI_GREQUEST_COMPLETE)
*/
OMPI_DECLSPEC int ompi_grequest_complete(ompi_request_t *req);
/**
* Invoke the query function on a generalized request
*/
OMPI_DECLSPEC int ompi_grequest_invoke_query(ompi_request_t *request,
ompi_status_public_t *status);
END_C_DECLS
#endif
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