114 строки
4.1 KiB
C
114 строки
4.1 KiB
C
/* -*- C -*-
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*
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* Copyright (c) 2004-2005 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_xcpu.h"
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/**
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* The xcpu component data structure that stores all the relevent data about
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* this component.
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*/
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orte_pls_xcpu_component_t mca_pls_xcpu_component = {
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{ /* version, data and init members of only first
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* structure (called super) being initialized
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*/
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{
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ORTE_PLS_BASE_VERSION_1_0_0,
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"xcpu", /* 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_xcpu_component_open, /* component open */
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orte_pls_xcpu_component_close /* component close */
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},
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{
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false /* checkpoint / restart */
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},
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orte_pls_xcpu_init /* component init */
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}
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};
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/**
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* Opens the pls_xcpu 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_xcpu_component_open(void) {
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int rc;
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/* init parameters */
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/*read trunk/opal/mca/base/mca_base_param.h for reg_int details*/
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mca_base_component_t *c = &mca_pls_xcpu_component.super.pls_version;
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mca_base_param_reg_int(c, "priority", NULL, false, false,0,
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&mca_pls_xcpu_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_xcpu_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_xcpu_component.terminate_sig);
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mca_pls_xcpu_component.num_procs = 0;
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mca_pls_xcpu_component.num_daemons = 0;
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mca_pls_xcpu_component.done_launching = false;
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OBJ_CONSTRUCT(&mca_pls_xcpu_component.lock, opal_mutex_t);
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OBJ_CONSTRUCT(&mca_pls_xcpu_component.condition, opal_condition_t);
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/* init the list to hold the daemon names */
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rc = orte_pointer_array_init(&mca_pls_xcpu_component.daemon_names, 8, 200000, 8);
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if(ORTE_SUCCESS != rc) {
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ORTE_ERROR_LOG(rc);
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}
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return rc;
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}
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/**
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* Closes the pls_xcpu component
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*/
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int orte_pls_xcpu_component_close(void) {
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OBJ_DESTRUCT(&mca_pls_xcpu_component.lock);
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OBJ_DESTRUCT(&mca_pls_xcpu_component.condition);
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OBJ_RELEASE(mca_pls_xcpu_component.daemon_names);
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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, xcpu
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* is running and we are on the control node.
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*/
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/* What I thnk is that this function will be called some where from (R)esource (M)ana(G)e(R)
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* and then it will return orte_pls_xcpu_module that contains function pointers for launch,
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* finalize etc. and then resource manager can call these functions
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*/
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orte_pls_base_module_t* orte_pls_xcpu_init(int *priority) {
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/* check if xcpu component should be loaded or not
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* if not, then return NULL here
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*/
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/*return NULL; *//*for time being*/
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*priority = mca_pls_xcpu_component.priority;
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return &orte_pls_xcpu_module; /* this is defined in pls_xcpu.c and will contains
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* function pointers for launch, terminate_job
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* terminate_proc and finalize
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*/
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}
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