File: pml_ob1_comm.c

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openmpi 2.0.2-2
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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.
 * $COPYRIGHT$
 *
 * Additional copyrights may follow
 *
 * $HEADER$
 */

#include "ompi_config.h"
#include <string.h>

#include "pml_ob1.h"
#include "pml_ob1_comm.h"



static void mca_pml_ob1_comm_proc_construct(mca_pml_ob1_comm_proc_t* proc)
{
    proc->expected_sequence = 1;
    proc->ompi_proc = NULL;
    proc->send_sequence = 0;
    OBJ_CONSTRUCT(&proc->frags_cant_match, opal_list_t);
    OBJ_CONSTRUCT(&proc->specific_receives, opal_list_t);
    OBJ_CONSTRUCT(&proc->unexpected_frags, opal_list_t);
}


static void mca_pml_ob1_comm_proc_destruct(mca_pml_ob1_comm_proc_t* proc)
{
    OBJ_DESTRUCT(&proc->frags_cant_match);
    OBJ_DESTRUCT(&proc->specific_receives);
    OBJ_DESTRUCT(&proc->unexpected_frags);
    if (proc->ompi_proc) {
        OBJ_RELEASE(proc->ompi_proc);
    }
}


OBJ_CLASS_INSTANCE(mca_pml_ob1_comm_proc_t, opal_object_t,
                   mca_pml_ob1_comm_proc_construct,
                   mca_pml_ob1_comm_proc_destruct);


static void mca_pml_ob1_comm_construct(mca_pml_ob1_comm_t* comm)
{
    OBJ_CONSTRUCT(&comm->wild_receives, opal_list_t);
    OBJ_CONSTRUCT(&comm->matching_lock, opal_mutex_t);
    OBJ_CONSTRUCT(&comm->proc_lock, opal_mutex_t);
    comm->recv_sequence = 0;
    comm->procs = NULL;
    comm->last_probed = 0;
    comm->num_procs = 0;
}


static void mca_pml_ob1_comm_destruct(mca_pml_ob1_comm_t* comm)
{
    if (NULL != comm->procs) {
        for (size_t i = 0; i < comm->num_procs; ++i) {
            if (comm->procs[i]) {
                OBJ_RELEASE(comm->procs[i]);
            }
        }

        free(comm->procs);
    }

    OBJ_DESTRUCT(&comm->wild_receives);
    OBJ_DESTRUCT(&comm->matching_lock);
    OBJ_DESTRUCT(&comm->proc_lock);
}


OBJ_CLASS_INSTANCE(
    mca_pml_ob1_comm_t,
    opal_object_t,
    mca_pml_ob1_comm_construct,
    mca_pml_ob1_comm_destruct);


int mca_pml_ob1_comm_init_size (mca_pml_ob1_comm_t* comm, size_t size)
{
    /* send message sequence-number support - sender side */
    comm->procs = (mca_pml_ob1_comm_proc_t **) calloc(size, sizeof (mca_pml_ob1_comm_proc_t *));
    if(NULL == comm->procs) {
        return OMPI_ERR_OUT_OF_RESOURCE;
    }
    comm->num_procs = size;
    return OMPI_SUCCESS;
}