544 строки
16 KiB
C
544 строки
16 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) 2004-2006 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 (c) 2006 Cisco Systems, Inc. All rights reserved.
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* Copyright (c) 2007 Los Alamos National Security, LLC. All rights
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* 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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* These symbols are in a file by themselves to provide nice linker
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* semantics. Since linkers generally pull in symbols by object
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* files, keeping these symbols as the only symbols in this file
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* prevents utility programs such as "ompi_info" from having to import
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* entire components just to query their version and parameters.
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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 "orte/types.h"
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#if HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <signal.h>
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_SYS_STAT_H
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#include <sys/stat.h>
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#endif
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#ifdef HAVE_SYS_WAIT_H
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#include <sys/wait.h>
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#endif
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#ifdef HAVE_SCHED_H
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#include <sched.h>
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#endif
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#ifdef HAVE_SYS_TIME_H
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#include <sys/time.h>
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#endif
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#include <errno.h>
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#include <tm.h>
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#include "opal/mca/installdirs/installdirs.h"
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#include "opal/threads/condition.h"
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#include "opal/event/event.h"
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#include "opal/util/argv.h"
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#include "orte/util/show_help.h"
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#include "opal/util/opal_environ.h"
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#include "opal/util/path.h"
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#include "opal/util/basename.h"
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#include "opal/mca/base/mca_base_param.h"
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#include "opal/runtime/opal_progress.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/runtime/orte_wait.h"
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#include "orte/mca/errmgr/errmgr.h"
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#include "orte/mca/rmaps/rmaps.h"
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#include "orte/mca/plm/plm.h"
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#include "orte/mca/plm/base/plm_private.h"
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#include "plm_tm.h"
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/*
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* Local functions
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*/
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static int plm_tm_init(void);
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static int plm_tm_launch_job(orte_job_t *jdata);
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static int plm_tm_terminate_job(orte_jobid_t jobid);
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static int plm_tm_terminate_orteds(void);
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static int plm_tm_signal_job(orte_jobid_t jobid, int32_t signal);
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static int plm_tm_finalize(void);
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static int plm_tm_connect(void);
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static int plm_tm_disconnect(void);
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static void failed_start(int fd, short event, void *arg);
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/*
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* Local "global" variables
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*/
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static opal_event_t *ev=NULL;
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/*
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* Global variable
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*/
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orte_plm_base_module_t orte_plm_tm_module = {
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plm_tm_init,
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orte_plm_base_set_hnp_name,
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plm_tm_launch_job,
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NULL,
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plm_tm_terminate_job,
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plm_tm_terminate_orteds,
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plm_tm_signal_job,
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plm_tm_finalize
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};
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/**
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* Init the module
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*/
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static int plm_tm_init(void)
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{
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int rc;
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if (ORTE_SUCCESS != (rc = orte_plm_base_comm_start())) {
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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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/* When working in this function, ALWAYS jump to "cleanup" if
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* you encounter an error so that orterun will be woken up and
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* the job can cleanly terminate
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*/
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static int plm_tm_launch_job(orte_job_t *jdata)
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{
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orte_job_map_t *map = NULL;
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orte_app_context_t **apps;
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orte_node_t **nodes;
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int proc_vpid_index;
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char *param;
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char **env = NULL;
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char *var;
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char **argv = NULL;
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int argc = 0;
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int rc;
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bool connected = false;
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orte_std_cntr_t launched = 0, i;
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char *bin_base = NULL, *lib_base = NULL;
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tm_event_t *tm_events = NULL;
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tm_task_id *tm_task_ids = NULL;
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int local_err;
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tm_event_t event;
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bool failed_launch = true;
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mode_t current_umask;
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orte_jobid_t failed_job;
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/* if we are timing, record the start time */
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if (orte_timing) {
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gettimeofday(&orte_plm_globals.daemonlaunchstart, NULL);
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}
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/* default to declaring the daemons as failed */
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failed_job = ORTE_PROC_MY_NAME->jobid;
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/* create a jobid for this job */
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if (ORTE_SUCCESS != (rc = orte_plm_base_create_jobid(&jdata->jobid))) {
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ORTE_ERROR_LOG(rc);
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goto cleanup;
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}
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OPAL_OUTPUT_VERBOSE((1, orte_plm_globals.output,
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"%s plm:tm: launching job %s",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
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ORTE_JOBID_PRINT(jdata->jobid)));
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/* setup the job */
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if (ORTE_SUCCESS != (rc = orte_plm_base_setup_job(jdata))) {
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ORTE_ERROR_LOG(rc);
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goto cleanup;
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}
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/* Get the map for this job */
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if (NULL == (map = orte_rmaps.get_job_map(jdata->jobid))) {
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ORTE_ERROR_LOG(ORTE_ERR_NOT_FOUND);
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rc = ORTE_ERR_NOT_FOUND;
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goto cleanup;
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}
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apps = (orte_app_context_t**)jdata->apps->addr;
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nodes = (orte_node_t**)map->nodes->addr;
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if (0 == map->num_new_daemons) {
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/* have all the daemons we need - launch app */
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goto launch_apps;
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}
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/* Allocate a bunch of TM events to use for tm_spawn()ing */
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tm_events = malloc(sizeof(tm_event_t) * map->num_new_daemons);
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if (NULL == tm_events) {
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rc = ORTE_ERR_OUT_OF_RESOURCE;
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ORTE_ERROR_LOG(rc);
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goto cleanup;
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}
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tm_task_ids = malloc(sizeof(tm_task_id) * map->num_new_daemons);
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if (NULL == tm_task_ids) {
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rc = ORTE_ERR_OUT_OF_RESOURCE;
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ORTE_ERROR_LOG(rc);
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goto cleanup;
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}
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/* add the daemon command (as specified by user) */
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orte_plm_base_setup_orted_cmd(&argc, &argv);
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/* Add basic orted command line options */
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orte_plm_base_orted_append_basic_args(&argc, &argv, "env",
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&proc_vpid_index,
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true);
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if (0 < opal_output_get_verbosity(orte_plm_globals.output)) {
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param = opal_argv_join(argv, ' ');
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OPAL_OUTPUT_VERBOSE((1, orte_plm_globals.output,
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"%s plm:tm: final top-level argv:\n\t%s",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
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(NULL == param) ? "NULL" : param));
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if (NULL != param) free(param);
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}
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rc = plm_tm_connect();
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if (ORTE_SUCCESS != rc) {
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goto cleanup;
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}
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connected = true;
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/* Figure out the basenames for the libdir and bindir. There is a
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lengthy comment about this in plm_rsh_module.c explaining all
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the rationale for how / why we're doing this. */
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lib_base = opal_basename(opal_install_dirs.libdir);
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bin_base = opal_basename(opal_install_dirs.bindir);
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/* setup environment */
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env = opal_argv_copy(orte_launch_environ);
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/* add our umask -- see big note in orted.c */
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current_umask = umask(0);
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umask(current_umask);
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asprintf(&var, "0%o", current_umask);
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opal_setenv("ORTE_DAEMON_UMASK_VALUE", var, true, &env);
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free(var);
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/* If we have a prefix, then modify the PATH and
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LD_LIBRARY_PATH environment variables. We only allow
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a single prefix to be specified. Since there will
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always be at least one app_context, we take it from
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there
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*/
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if (NULL != apps[0]->prefix_dir) {
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char *newenv;
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for (i = 0; NULL != env && NULL != env[i]; ++i) {
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/* Reset PATH */
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if (0 == strncmp("PATH=", env[i], 5)) {
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asprintf(&newenv, "%s/%s:%s",
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apps[0]->prefix_dir, bin_base, env[i] + 5);
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OPAL_OUTPUT_VERBOSE((1, orte_plm_globals.output,
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"%s plm:tm: resetting PATH: %s",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
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newenv));
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opal_setenv("PATH", newenv, true, &env);
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free(newenv);
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}
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/* Reset LD_LIBRARY_PATH */
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else if (0 == strncmp("LD_LIBRARY_PATH=", env[i], 16)) {
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asprintf(&newenv, "%s/%s:%s",
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apps[0]->prefix_dir, lib_base, env[i] + 16);
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OPAL_OUTPUT_VERBOSE((1, orte_plm_globals.output,
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"%s plm:tm: resetting LD_LIBRARY_PATH: %s",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
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newenv));
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opal_setenv("LD_LIBRARY_PATH", newenv, true, &env);
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free(newenv);
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}
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}
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}
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/* Iterate through each of the nodes and spin
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* up a daemon.
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*/
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for (i = 0; i < map->num_nodes; i++) {
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orte_node_t* node = nodes[i];
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char* vpid_string;
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/* if this daemon already exists, don't launch it! */
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if (node->daemon_launched) {
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continue;
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}
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OPAL_OUTPUT_VERBOSE((1, orte_plm_globals.output,
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"%s plm:tm: launching on node %s",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
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node->name));
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/* setup process name */
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rc = orte_util_convert_vpid_to_string(&vpid_string, nodes[i]->daemon->name.vpid);
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if (ORTE_SUCCESS != rc) {
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opal_output(0, "plm:tm: unable to get daemon vpid as string");
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exit(-1);
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}
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free(argv[proc_vpid_index]);
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argv[proc_vpid_index] = strdup(vpid_string);
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free(vpid_string);
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/* exec the daemon */
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if (0 < opal_output_get_verbosity(orte_plm_globals.output)) {
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param = opal_argv_join(argv, ' ');
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OPAL_OUTPUT_VERBOSE((1, orte_plm_globals.output,
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"%s plm:tm: executing:\n\t%s",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
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(NULL == param) ? "NULL" : param));
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if (NULL != param) free(param);
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}
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rc = tm_spawn(argc, argv, env, node->launch_id, tm_task_ids + launched, tm_events + launched);
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if (TM_SUCCESS != rc) {
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orte_show_help("help-plm-tm.txt", "tm-spawn-failed",
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true, argv[0], node->name, node->launch_id);
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rc = ORTE_ERROR;
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goto cleanup;
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}
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launched++;
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/* Allow some progress to occur */
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opal_event_loop(OPAL_EVLOOP_NONBLOCK);
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}
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OPAL_OUTPUT_VERBOSE((1, orte_plm_globals.output,
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"%s plm:tm:launch: finished spawning orteds",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
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/* TM poll for all the spawns */
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for (i = 0; i < launched; ++i) {
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rc = tm_poll(TM_NULL_EVENT, &event, 1, &local_err);
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if (TM_SUCCESS != rc) {
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errno = local_err;
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opal_output(0, "plm:tm: failed to poll for a spawned daemon, return status = %d", rc);
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goto cleanup;
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}
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}
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/* set a timer to tell us if one or more daemon's fails to start - use the
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* millisec/daemon timeout provided by the user to compute time
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*/
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if (0 < orte_startup_timeout) {
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OPAL_OUTPUT_VERBOSE((1, orte_plm_globals.output,
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"%s plm:tm: setting startup timer for %d milliseconds",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
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orte_startup_timeout));
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ORTE_DETECT_TIMEOUT(&ev, map->num_new_daemons,
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orte_startup_timeout*1000,
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-1, failed_start);
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}
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/* wait for daemons to callback */
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if (ORTE_SUCCESS != (rc = orte_plm_base_daemon_callback(map->num_new_daemons))) {
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OPAL_OUTPUT_VERBOSE((1, orte_plm_globals.output,
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"%s plm:tm: daemon launch failed for job %s on error %s",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
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ORTE_JOBID_PRINT(jdata->jobid), ORTE_ERROR_NAME(rc)));
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goto cleanup;
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}
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/* if issued, cancel the failed-to-start timer */
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if (NULL != ev) {
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opal_event_del(ev);
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}
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launch_apps:
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/* since the daemons have launched, any failures now will be for the
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* application job
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*/
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failed_job = jdata->jobid;
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if (ORTE_SUCCESS != (rc = orte_plm_base_launch_apps(jdata->jobid))) {
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OPAL_OUTPUT_VERBOSE((1, orte_plm_globals.output,
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"%s plm:tm: launch of apps failed for job %s on error %s",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
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ORTE_JOBID_PRINT(jdata->jobid), ORTE_ERROR_NAME(rc)));
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goto cleanup;
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}
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/* if we get here, then everything launched okay - record that fact */
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failed_launch = false;
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cleanup:
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if (NULL != argv) {
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opal_argv_free(argv);
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}
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if (NULL != env) {
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opal_argv_free(env);
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}
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if (connected) {
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plm_tm_disconnect();
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}
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if (NULL != tm_events) {
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free(tm_events);
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}
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if (NULL != tm_task_ids) {
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free(tm_task_ids);
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}
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if (NULL != lib_base) {
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free(lib_base);
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}
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if (NULL != bin_base) {
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free(bin_base);
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}
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/* check for failed launch - if so, force terminate */
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if (failed_launch) {
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orte_plm_base_launch_failed(failed_job, -1, ORTE_ERROR_DEFAULT_EXIT_CODE, ORTE_JOB_STATE_FAILED_TO_START);
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}
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/* setup a "heartbeat" timer to periodically check on
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* the state-of-health of the orteds, if requested AND
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* we actually launched some daemons!
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*/
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if (0 < map->num_new_daemons) {
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orte_plm_base_start_heart();
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}
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OPAL_OUTPUT_VERBOSE((1, orte_plm_globals.output,
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"%s plm:tm:launch: finished",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
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return rc;
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}
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static int plm_tm_terminate_job(orte_jobid_t jobid)
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{
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int rc;
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/* order all of the daemons to kill their local procs for this job */
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if (ORTE_SUCCESS != (rc = orte_plm_base_orted_kill_local_procs(jobid))) {
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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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* Terminate the orteds for a given job
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*/
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int plm_tm_terminate_orteds(void)
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{
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int rc;
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/* now tell them to die! */
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if (ORTE_SUCCESS != (rc = orte_plm_base_orted_exit(ORTE_DAEMON_EXIT_WITH_REPLY_CMD))) {
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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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static int plm_tm_signal_job(orte_jobid_t jobid, int32_t signal)
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{
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int rc;
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/* order them to pass this signal to their local procs */
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if (ORTE_SUCCESS != (rc = orte_plm_base_orted_signal_local_procs(jobid, signal))) {
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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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* Free stuff
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*/
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static int plm_tm_finalize(void)
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{
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int rc;
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/* cleanup any pending recvs */
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if (ORTE_SUCCESS != (rc = orte_plm_base_comm_stop())) {
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ORTE_ERROR_LOG(rc);
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}
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return ORTE_SUCCESS;
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}
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static int plm_tm_connect(void)
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{
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int ret;
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struct tm_roots tm_root;
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int count, progress;
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/* try a couple times to connect - might get busy signals every
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now and then */
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for (count = 0 ; count < 10; ++count) {
|
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ret = tm_init(NULL, &tm_root);
|
|
if (TM_SUCCESS == ret) {
|
|
return ORTE_SUCCESS;
|
|
}
|
|
|
|
for (progress = 0 ; progress < 10 ; ++progress) {
|
|
opal_progress();
|
|
#if HAVE_SCHED_YIELD
|
|
sched_yield();
|
|
#endif
|
|
}
|
|
}
|
|
|
|
return ORTE_ERR_RESOURCE_BUSY;
|
|
}
|
|
|
|
|
|
static int plm_tm_disconnect(void)
|
|
{
|
|
tm_finalize();
|
|
|
|
return ORTE_SUCCESS;
|
|
}
|
|
|
|
/* call this function if the timer fires indicating that one
|
|
* or more daemons failed to start
|
|
*/
|
|
static void failed_start(int fd, short dummy, void *arg)
|
|
{
|
|
OPAL_OUTPUT_VERBOSE((1, orte_plm_globals.output,
|
|
"%s plm:tm:failed_start",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
|
|
|
|
/* if we are aborting, ignore this */
|
|
if (orte_abnormal_term_ordered) {
|
|
OPAL_OUTPUT_VERBOSE((1, orte_plm_globals.output,
|
|
"%s plm:tm:failed_start - abnormal term in progress",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
|
|
return;
|
|
}
|
|
|
|
orte_plm_base_launch_failed(ORTE_PROC_MY_NAME->jobid, -1,
|
|
ORTE_ERROR_DEFAULT_EXIT_CODE, ORTE_JOB_STATE_FAILED_TO_START);
|
|
}
|