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Nathan Hjelm 6fa6513003 bml: Add support for dynamically calling add_procs
This commit contains the following changes:

 - bml: add a function to add a single process. this function is
   intended to remove the need to maintain a opal_bitmap_t as it is
   irrelevant for a single proc. BTLs will need to be updated to
   either 1) ignore the return code from opal_bitmap_set_bit or not
   call the function if the reachability bitmap is NULL.

 - bml: add an inline accessor function for getting the bml endpoint
   for a peer proc. this function will either 1) return the cached bml
   endpoint, or 2) create the endpoint and call add_proc will all
   available BTL modules.

Signed-off-by: Nathan Hjelm <hjelmn@lanl.gov>
2015-09-10 08:55:54 -06:00

78 строки
2.3 KiB
C

/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2004-2007 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) 2004-2006 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2009 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2015 Los Alamos National Security, LLC. All rights
* reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#ifndef MCA_BML_BASE_H
#define MCA_BML_BASE_H
#include "ompi_config.h"
#include "ompi/mca/mca.h"
#include "opal/mca/base/mca_base_framework.h"
#include "ompi/mca/bml/bml.h"
#include "ompi/proc/proc.h"
/*
* Global functions for the BML
*/
BEGIN_C_DECLS
struct mca_bml_base_selected_module_t {
opal_list_item_t super;
mca_bml_base_component_t *bml_component;
mca_bml_base_module_t *bml_module;
};
typedef struct mca_bml_base_selected_module_t mca_bml_base_selected_module_t;
OMPI_DECLSPEC OBJ_CLASS_DECLARATION(mca_bml_base_selected_module_t);
/*
* Global functions for MCA: overall BTL open and close
*/
OMPI_DECLSPEC int mca_bml_base_init(bool enable_progress_threads,
bool enable_mpi_threads);
OMPI_DECLSPEC bool mca_bml_base_inited(void);
OMPI_DECLSPEC int mca_bml_base_ft_event(int state);
/*
* Globals
*/
OMPI_DECLSPEC extern mca_bml_base_component_t mca_bml_component;
OMPI_DECLSPEC extern mca_bml_base_module_t mca_bml;
OMPI_DECLSPEC extern mca_base_framework_t ompi_bml_base_framework;
static inline struct mca_bml_base_endpoint_t *mca_bml_base_get_endpoint (struct ompi_proc_t *proc) {
if (OPAL_UNLIKELY(NULL == proc->proc_endpoints[OMPI_PROC_ENDPOINT_TAG_BML])) {
mca_bml.bml_add_proc (proc);
}
return (struct mca_bml_base_endpoint_t *) proc->proc_endpoints[OMPI_PROC_ENDPOINT_TAG_BML];
}
END_C_DECLS
#endif /* MCA_BML_BASE_H */