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openmpi/orte/mca/grpcomm/cnos/grpcomm_cnos_module.c
2008-04-09 22:33:00 +00:00

210 строки
5.0 KiB
C

/*
* 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) 2007 Sun Microsystems, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "orte_config.h"
#include "orte/constants.h"
#include "orte/types.h"
#include <string.h>
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif /* HAVE_SYS_TIME_H */
#include "opal/dss/dss.h"
#include "opal/class/opal_list.h"
#include "opal/class/opal_value_array.h"
#include "orte/mca/errmgr/errmgr.h"
#include "orte/mca/rml/rml_types.h"
#include "orte/mca/rmaps/rmaps_types.h"
#include "grpcomm_cnos.h"
#if OMPI_GRPCOMM_CNOS_HAVE_BARRIER
#include <catamount/cnos_mpi_os.h>
#endif
/* API functions */
static int init(void);
static void finalize(void);
static int xcast(orte_jobid_t job,
opal_buffer_t *buffer,
orte_rml_tag_t tag);
static int orte_grpcomm_cnos_barrier(void);
static int allgather(opal_buffer_t *sbuf, opal_buffer_t *rbuf);
static int allgather_list(opal_list_t *names, opal_buffer_t *sbuf, opal_buffer_t *rbuf);
static opal_list_t* next_recips(orte_grpcomm_mode_t mode);
static int set_proc_attr(const char *attr_name,
const void *data,
size_t size);
static int get_proc_attr(const orte_process_name_t proc,
const char * attribute_name, void **val,
size_t *size);
static int modex(opal_list_t *procs);
static int purge_proc_attrs(void);
static int daemon_collective(orte_jobid_t jobid,
orte_std_cntr_t num_local_contributors,
orte_grpcomm_coll_t type,
opal_buffer_t *data,
orte_rmaps_dp_t flag,
opal_value_array_t *participants);
static int update_trees(void);
orte_grpcomm_base_module_t orte_grpcomm_cnos_module = {
init,
finalize,
xcast,
allgather,
allgather_list,
orte_grpcomm_cnos_barrier,
daemon_collective,
update_trees,
next_recips,
set_proc_attr,
get_proc_attr,
modex,
purge_proc_attrs
};
/**
* Init the module
*/
static int init(void)
{
return ORTE_SUCCESS;
}
/**
* Finalize module
*/
static void finalize(void)
{
return;
}
/**
* A "broadcast-like" function to a job's processes.
* @param jobid The job whose processes are to receive the message
* @param buffer The data to broadcast
*/
/* Blocking version */
static int xcast(orte_jobid_t job,
opal_buffer_t *buffer,
orte_rml_tag_t tag)
{
return ORTE_SUCCESS;
}
static int
orte_grpcomm_cnos_barrier(void)
{
#if OMPI_GRPCOMM_CNOS_HAVE_BARRIER
cnos_barrier();
#endif
return ORTE_SUCCESS;
}
static int allgather(opal_buffer_t *sbuf, opal_buffer_t *rbuf)
{
int rc;
orte_std_cntr_t zero=0;
/* seed the outgoing buffer with num_procs=0 so it won't be unpacked */
if (ORTE_SUCCESS != (rc = opal_dss.pack(rbuf, &zero, 1, ORTE_STD_CNTR))) {
ORTE_ERROR_LOG(rc);
return rc;
}
return rc;
}
static int allgather_list(opal_list_t *names, opal_buffer_t *sbuf, opal_buffer_t *rbuf)
{
int rc;
orte_std_cntr_t zero=0;
/* seed the outgoing buffer with num_procs=0 so it won't be unpacked */
if (ORTE_SUCCESS != (rc = opal_dss.pack(rbuf, &zero, 1, ORTE_STD_CNTR))) {
ORTE_ERROR_LOG(rc);
return rc;
}
return rc;
}
static int purge_proc_attrs(void);
static int daemon_collective(orte_jobid_t jobid,
orte_std_cntr_t num_local_contributors,
orte_grpcomm_coll_t type,
opal_buffer_t *data,
orte_rmaps_dp_t flag,
opal_value_array_t *participants)
{
return ORTE_SUCCESS;
}
static int update_trees(void)
{
return ORTE_SUCCESS;
}
static opal_list_t* next_recips(orte_grpcomm_mode_t mode)
{
/* nothing to do here */
return NULL;
}
static int set_proc_attr(const char *attr_name,
const void *data,
size_t size)
{
return ORTE_SUCCESS;
}
static int get_proc_attr(const orte_process_name_t proc,
const char * attribute_name, void **val,
size_t *size)
{
return ORTE_ERR_NOT_IMPLEMENTED;
}
static int modex(opal_list_t *procs)
{
return ORTE_SUCCESS;
}
static int purge_proc_attrs(void)
{
return ORTE_SUCCESS;
}