102 строки
4.3 KiB
C
102 строки
4.3 KiB
C
/*
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* Copyright (c) 2013 Mellanox Technologies, Inc.
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* All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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/**
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* @file
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*/
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#ifndef MCA_SPML_BASE_ATOMIC_REQUEST_H
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#define MCA_SPML_BASE_ATOMIC_REQUEST_H
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#include "oshmem_config.h"
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#include "oshmem/mca/spml/base/spml_base_request.h"
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#include "ompi/peruse/peruse-internal.h"
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BEGIN_C_DECLS
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/**
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* Base type for atomic requests.
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*/
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struct mca_spml_base_atomic_request_t {
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mca_spml_base_request_t req_base; /**< base request */
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size_t req_bytes_packed; /**< size of virtual heap memory variable operated on */
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};
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typedef struct mca_spml_base_atomic_request_t mca_spml_base_atomic_request_t;
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OSHMEM_DECLSPEC OBJ_CLASS_DECLARATION(mca_spml_base_atomic_request_t);
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/**
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* Initialize an atomic request with call parameters.
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*
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* @param request (IN) Atomic request.
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* @param addr (IN) User buffer.
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* @param count (IN) Number of bytes.
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* @param src (IN) Source rank w/in the communicator.
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* @param comm (IN) Communicator.
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* @param persistent (IN) Is this a persistent request.
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*/
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#define MCA_SPML_BASE_ATOMIC_REQUEST_INIT( \
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request, \
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addr, \
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count, \
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src, \
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comm, \
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persistent) \
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{ \
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/* increment reference count on communicator */ \
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OBJ_RETAIN(comm); \
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\
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OSHMEM_REQUEST_INIT(&(request)->req_base.req_oshmem, persistent); \
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(request)->req_base.req_oshmem.req_shmem_object.comm = comm; \
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(request)->req_bytes_packed = 0; \
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(request)->req_base.req_addr = addr; \
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(request)->req_base.req_count = count; \
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(request)->req_base.req_peer = src; \
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(request)->req_base.req_comm = comm; \
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(request)->req_base.req_proc = NULL; \
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(request)->req_base.req_sequence = 0; \
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/* What about req_type ? */ \
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(request)->req_base.req_spml_complete = OPAL_INT_TO_BOOL(persistent); \
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(request)->req_base.req_free_called = false; \
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}
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/**
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*
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*
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*/
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#define MCA_SPML_BASE_ATOMIC_START( request ) \
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do { \
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(request)->req_spml_complete = false; \
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\
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(request)->req_oshmem.req_status.SHMEM_SOURCE = SHMEM_ANY_SOURCE; \
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(request)->req_oshmem.req_status.SHMEM_ERROR = OSHMEM_SUCCESS; \
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(request)->req_oshmem.req_status._count = 0; \
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(request)->req_oshmem.req_status._cancelled = 0; \
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\
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(request)->req_oshmem.req_complete = false; \
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(request)->req_oshmem.req_state = OSHMEM_REQUEST_ACTIVE; \
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} while (0)
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/**
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* Return a atomic request. Handle the release of the communicator and the
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* attached datatype.
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*
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* @param request (IN) Get request.
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*/
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#define MCA_SPML_BASE_ATOMIC_REQUEST_FINI( request ) \
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do { \
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OSHMEM_REQUEST_FINI(&(request)->req_base.req_oshmem); \
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OBJ_RELEASE( (request)->req_base.req_comm); \
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opal_convertor_cleanup( &((request)->req_base.req_convertor) ); \
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} while (0)
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END_C_DECLS
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#endif
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