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openmpi/orte/mca/rds/hostfile/rds_hostfile_component.c
Ralph Castain 121f834776 Continue bringing comm_spawn back online. Ensure all RM frameworks post their HNP receives. Fix the rmgr proxy component.
Still need some work on the proxy component, and on job termination for persistent daemon case.

This commit was SVN r11928.
2006-10-02 00:46:31 +00:00

128 строки
3.7 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.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "orte_config.h"
#include "orte/orte_constants.h"
#include "opal/install_dirs.h"
#include "opal/mca/base/base.h"
#include "opal/mca/base/mca_base_param.h"
#include "opal/util/output.h"
#include "opal/util/os_path.h"
#include "orte/util/proc_info.h"
#include "orte/mca/errmgr/errmgr.h"
#include "orte/mca/rds/hostfile/rds_hostfile.h"
#include "orte/mca/rds/base/rds_private.h"
/*
* Local functions
*/
static int orte_rds_hostfile_open(void);
static int orte_rds_hostfile_close(void);
static orte_rds_base_module_t* orte_rds_hostfile_init(void);
static int orte_rds_hostfile_finalize(void);
orte_rds_hostfile_component_t mca_rds_hostfile_component = {
{
/* First, the mca_base_component_t struct containing meta
information about the component itself */
{
/* Indicate that we are a rds v1.3.0 component (which also
implies a specific MCA version) */
ORTE_RDS_BASE_VERSION_1_3_0,
"hostfile", /* MCA component name */
ORTE_MAJOR_VERSION, /* MCA component major version */
ORTE_MINOR_VERSION, /* MCA component minor version */
ORTE_RELEASE_VERSION, /* MCA component release version */
orte_rds_hostfile_open, /* component open */
orte_rds_hostfile_close /* component close */
},
/* Next the MCA v1.0.0 component meta data */
{
/* Whether the component is checkpointable or not */
false
},
orte_rds_hostfile_init,
orte_rds_hostfile_finalize
}
};
/**
* component open/close/init function
*/
static int orte_rds_hostfile_open(void)
{
char *path = opal_os_path(false, OPAL_SYSCONFDIR, "openmpi-default-hostfile", NULL);
OBJ_CONSTRUCT(&mca_rds_hostfile_component.lock, opal_mutex_t);
mca_base_param_reg_int(&mca_rds_hostfile_component.super.rds_version, "debug",
"Toggle debug output for hostfile RDS component",
false, false, (int)false,
&mca_rds_hostfile_component.debug);
mca_base_param_reg_string(&mca_rds_hostfile_component.super.rds_version, "path",
"ORTE Host filename",
false, false, path,
&mca_rds_hostfile_component.path);
mca_rds_hostfile_component.default_hostfile = (strcmp(mca_rds_hostfile_component.path,path) == 0);
free(path);
return ORTE_SUCCESS;
}
static orte_rds_base_module_t *orte_rds_hostfile_init(void)
{
/* if we are NOT an HNP, then don't select us */
if (!orte_process_info.seed) {
return NULL;
}
return &orte_rds_hostfile_module;
}
static int orte_rds_hostfile_finalize(void)
{
return ORTE_SUCCESS;
}
/**
* Close all subsystems.
*/
static int orte_rds_hostfile_close(void)
{
OBJ_DESTRUCT(&mca_rds_hostfile_component.lock);
if (NULL != mca_rds_hostfile_component.path) {
free(mca_rds_hostfile_component.path);
}
return ORTE_SUCCESS;
}