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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) 2004-2006 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) 2010 Oracle and/or its affiliates. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
/**
* @file
*/
#ifndef MCA_PML_BFO_COMM_H
#define MCA_PML_BFO_COMM_H
#include "opal/threads/mutex.h"
#include "opal/class/opal_list.h"
#include "ompi/proc/proc.h"
BEGIN_C_DECLS
struct mca_pml_bfo_comm_proc_t {
opal_object_t super;
uint16_t expected_sequence; /**< send message sequence number - receiver side */
struct ompi_proc_t* ompi_proc;
#if OPAL_HAVE_THREAD_SUPPORT
volatile int32_t send_sequence; /**< send side sequence number */
#else
int32_t send_sequence; /**< send side sequence number */
#endif
opal_list_t frags_cant_match; /**< out-of-order fragment queues */
opal_list_t specific_receives; /**< queues of unmatched specific receives */
opal_list_t unexpected_frags; /**< unexpected fragment queues */
};
typedef struct mca_pml_bfo_comm_proc_t mca_pml_bfo_comm_proc_t;
/**
* Cached on ompi_communicator_t to hold queues/state
* used by the PML<->PTL interface for matching logic.
*/
struct mca_pml_comm_t {
opal_object_t super;
#if OPAL_HAVE_THREAD_SUPPORT
volatile uint32_t recv_sequence; /**< recv request sequence number - receiver side */
#else
uint32_t recv_sequence; /**< recv request sequence number - receiver side */
#endif
opal_mutex_t matching_lock; /**< matching lock */
opal_list_t wild_receives; /**< queue of unmatched wild (source process not specified) receives */
mca_pml_bfo_comm_proc_t* procs;
size_t num_procs;
};
typedef struct mca_pml_comm_t mca_pml_bfo_comm_t;
OBJ_CLASS_DECLARATION(mca_pml_bfo_comm_t);
/**
* Initialize an instance of mca_pml_bfo_comm_t based on the communicator size.
*
* @param comm Instance of mca_pml_bfo_comm_t
* @param size Size of communicator
* @return OMPI_SUCCESS or error status on failure.
*/
extern int mca_pml_bfo_comm_init_size(mca_pml_bfo_comm_t* comm, size_t size);
END_C_DECLS
#endif
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