dadca7da88
This merge adds Checkpoint/Restart support to Open MPI. The initial frameworks and components support a LAM/MPI-like implementation. This commit follows the risk assessment presented to the Open MPI core development group on Feb. 22, 2007. This commit closes trac:158 More details to follow. This commit was SVN r14051. The following SVN revisions from the original message are invalid or inconsistent and therefore were not cross-referenced: r13912 The following Trac tickets were found above: Ticket 158 --> https://svn.open-mpi.org/trac/ompi/ticket/158
125 строки
4.1 KiB
C
125 строки
4.1 KiB
C
/* -*- C -*-
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*
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* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2005 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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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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/**
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* @file:
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* Takes care of the component stuff for the MCA.
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*/
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#include "orte_config.h"
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#include "orte/mca/errmgr/errmgr.h"
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#include "opal/mca/mca.h"
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#include "opal/mca/base/mca_base_param.h"
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#include "pls_bproc.h"
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/**
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* The bproc component data structure used to store all the relevent data about
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* this component.
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*/
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orte_pls_bproc_component_t mca_pls_bproc_component = {
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{
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{
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ORTE_PLS_BASE_VERSION_1_3_0,
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"bproc", /* MCA component name */
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ORTE_MAJOR_VERSION, /* MCA component major version */
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ORTE_MINOR_VERSION, /* MCA component minor version */
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ORTE_RELEASE_VERSION, /* MCA component release version */
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orte_pls_bproc_component_open, /* component open */
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orte_pls_bproc_component_close /* component close */
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},
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{
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/* The component is not checkpoint ready */
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MCA_BASE_METADATA_PARAM_NONE
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},
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orte_pls_bproc_init /* component init */
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}
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};
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/**
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* Opens the pls_bproc component, setting all the needed mca parameters and
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* finishes setting up the component struct.
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*/
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int orte_pls_bproc_component_open(void) {
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int rc;
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/* init parameters */
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mca_base_component_t *c = &mca_pls_bproc_component.super.pls_version;
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mca_base_param_reg_int(c, "priority", NULL, false, false, 100,
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&mca_pls_bproc_component.priority);
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mca_base_param_reg_int(c, "debug",
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"If > 0 prints library debugging information",
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false, false, 0, &mca_pls_bproc_component.debug);
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mca_base_param_reg_int(c, "terminate_sig",
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"Signal sent to processes to terminate them", false,
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false, 9, &mca_pls_bproc_component.terminate_sig);
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mca_base_param_reg_string(c, "orted", "Path to where orted is installed",
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false, false, "orted", &mca_pls_bproc_component.orted);
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mca_base_param_reg_int(c, "nolaunch", NULL, false, false, (int)false,
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&rc);
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if ((int)false == rc) {
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mca_pls_bproc_component.do_not_launch = false;
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} else {
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mca_pls_bproc_component.do_not_launch = true;
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}
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mca_pls_bproc_component.recv_issued = false;
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OBJ_CONSTRUCT(&mca_pls_bproc_component.lock, opal_mutex_t);
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OBJ_CONSTRUCT(&mca_pls_bproc_component.condition, opal_condition_t);
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return ORTE_SUCCESS;
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}
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/**
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* Closes the pls_bproc component
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*/
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int orte_pls_bproc_component_close(void) {
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OBJ_DESTRUCT(&mca_pls_bproc_component.lock);
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OBJ_DESTRUCT(&mca_pls_bproc_component.condition);
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return ORTE_SUCCESS;
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}
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/**
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* Initializes the module. We do not want to run unless we are the seed, bproc
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* is running, and we are the master node.
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*/
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orte_pls_base_module_t* orte_pls_bproc_init(int *priority) {
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int ret;
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struct bproc_version_t version;
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/* are we the seed */
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if(orte_process_info.seed == false)
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return NULL;
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/* okay, we are in an HNP - now check to see if BProc is running here */
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if (!mca_pls_bproc_component.do_not_launch) {
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ret = bproc_version(&version);
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if (ret != 0) {
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return NULL;
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}
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}
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/* only launch from the master node */
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if (bproc_currnode() != BPROC_NODE_MASTER) {
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return NULL;
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}
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*priority = mca_pls_bproc_component.priority;
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return &orte_pls_bproc_module;
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}
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