d70e2e8c2b
Remains to be tested to ensure everything came over cleanly, so please continue to withhold commits a little longer This commit was SVN r17632.
92 строки
2.7 KiB
C
92 строки
2.7 KiB
C
/*
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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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#include "orte_config.h"
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#include "orte/constants.h"
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#include <stdio.h>
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#include "opal/util/output.h"
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#include "opal/hash_string.h"
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#include "orte/mca/errmgr/errmgr.h"
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#include "orte/util/proc_info.h"
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#include "orte/util/sys_info.h"
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#include "orte/util/name_fns.h"
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#include "orte/runtime/orte_globals.h"
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#include "orte/mca/plm/base/plm_private.h"
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/*
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* attempt to create a globally unique name - do a hash
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* of the hostname plus pid
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*/
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int orte_plm_base_set_hnp_name(void)
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{
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uint16_t jobfam;
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uint32_t hash32;
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uint32_t bias;
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/* hash the nodename */
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OPAL_HASH_STR(orte_system_info.nodename, hash32);
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bias = (uint32_t)orte_process_info.pid;
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OPAL_OUTPUT_VERBOSE((5, orte_plm_globals.output,
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"plm:base:set_hnp_name: initial bias %ld nodename hash %lu",
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(long)bias, (unsigned long)hash32));
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/* fold in the bias */
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hash32 = hash32 ^ bias;
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/* now compress to 16-bits */
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jobfam = (uint16_t)(((0x0000ffff & (0xffff0000 & hash32) >> 16)) ^ (0x0000ffff & hash32));
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OPAL_OUTPUT_VERBOSE((5, orte_plm_globals.output,
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"plm:base:set_hnp_name: final jobfam %lu",
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(unsigned long)jobfam));
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/* set the name */
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ORTE_PROC_MY_NAME->jobid = 0xffff0000 & ((uint32_t)jobfam << 16);
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ORTE_PROC_MY_NAME->vpid = 0;
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orte_plm_globals.next_jobid = ORTE_PROC_MY_NAME->jobid + 1;
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/* copy it to the HNP field */
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ORTE_PROC_MY_HNP->jobid = ORTE_PROC_MY_NAME->jobid;
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ORTE_PROC_MY_HNP->vpid = ORTE_PROC_MY_NAME->vpid;
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/* done */
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return ORTE_SUCCESS;
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}
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/*
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* Create a jobid
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*/
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int orte_plm_base_create_jobid(orte_jobid_t *jobid)
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{
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if (ORTE_JOBID_MAX-1 < orte_plm_globals.next_jobid) {
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ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
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*jobid = ORTE_JOBID_INVALID;
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return ORTE_ERR_OUT_OF_RESOURCE;
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}
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*jobid = orte_plm_globals.next_jobid++;
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return ORTE_SUCCESS;
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}
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