cc83d41ad9
{{{
svn merge -r 18218:18240 https://svn.open-mpi.org/svn/ompi/tmp/jjh-scratch .
}}}
Contains:
* Primarily a fix for a user reported problem where a cached file descriptor is causing a SIGPIPE on restart.
* Cleanup some small memory leaks from using mca_base_param_env_var() - Thanks Jeff
* Cleanup ORTE FT tool compilation in non-FT builds - Thanks Tim P.
* Cleanup mpi interface with missplaced {{{OPAL_CR_ENTER_LIBRARY}}} - Thanks Terry
* Some other sundry cleanup items all dealing with C/R functionality in the trunk.
This commit was SVN r18241.
615 строки
21 KiB
C
615 строки
21 KiB
C
/*
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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) 2004-2008 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) 2007 Cisco, 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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#include "orte_config.h"
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#include "orte/constants.h"
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#include <stdio.h>
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#include <ctype.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef HAVE_NETDB_H
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#include <netdb.h>
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#endif
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#ifdef HAVE_SYS_PARAM_H
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#include <sys/param.h>
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#endif
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#include <fcntl.h>
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#include <errno.h>
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#include <signal.h>
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#include "opal/event/event.h"
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#include "opal/mca/base/base.h"
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#include "opal/threads/mutex.h"
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#include "opal/threads/condition.h"
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#include "opal/util/bit_ops.h"
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#include "opal/util/cmd_line.h"
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#include "opal/util/opal_environ.h"
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#include "opal/util/os_path.h"
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#include "opal/util/output.h"
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#include "opal/util/printf.h"
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#include "opal/util/show_help.h"
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#include "opal/util/trace.h"
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#include "opal/util/argv.h"
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#include "opal/runtime/opal.h"
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#include "opal/mca/base/mca_base_param.h"
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#include "opal/util/daemon_init.h"
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#include "opal/dss/dss.h"
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#include "orte/util/proc_info.h"
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#include "orte/util/session_dir.h"
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#include "orte/util/name_fns.h"
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#include "orte/runtime/orte_locks.h"
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#include "orte/mca/errmgr/errmgr.h"
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#include "orte/mca/rml/rml.h"
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#include "orte/mca/rml/base/rml_contact.h"
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#include "orte/mca/odls/odls.h"
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#include "orte/mca/plm/plm.h"
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#include "orte/mca/ras/ras.h"
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#include "orte/mca/routed/routed.h"
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/* need access to the create_jobid fn used by plm components
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* so we can set singleton name, if necessary
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*/
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#include "orte/mca/plm/base/plm_private.h"
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#include "orte/runtime/runtime.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/orted/orted.h"
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/*
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* Globals
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*/
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static opal_event_t term_handler;
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static opal_event_t int_handler;
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static opal_event_t pipe_handler;
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#ifndef __WINDOWS__
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static opal_event_t sigusr1_handler;
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static opal_event_t sigusr2_handler;
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#endif /* __WINDOWS__ */
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char *log_path = NULL;
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static opal_event_t *orted_exit_event;
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static void shutdown_callback(int fd, short flags, void *arg);
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static void signal_callback(int fd, short event, void *arg);
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static struct {
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bool help;
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bool set_sid;
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bool hnp;
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bool daemonize;
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char* name;
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char* vpid_start;
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char* num_procs;
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int uri_pipe;
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int singleton_died_pipe;
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char* parent;
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} orted_globals;
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/*
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* define the orted context table for obtaining parameters
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*/
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opal_cmd_line_init_t orte_cmd_line_opts[] = {
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/* Various "obvious" options */
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{ NULL, NULL, NULL, 'h', NULL, "help", 0,
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&orted_globals.help, OPAL_CMD_LINE_TYPE_BOOL,
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"This help message" },
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{ "orted", "spin", NULL, 'd', NULL, "spin", 0,
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NULL, OPAL_CMD_LINE_TYPE_BOOL,
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"Have the orted spin until we can connect a debugger to it" },
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{ "orte", "debug", NULL, 'd', NULL, "debug", 0,
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NULL, OPAL_CMD_LINE_TYPE_BOOL,
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"Debug the OpenRTE" },
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{ "orte", "daemonize", NULL, '\0', NULL, "daemonize", 0,
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&orted_globals.daemonize, OPAL_CMD_LINE_TYPE_BOOL,
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"Daemonize the orted into the background" },
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{ "orte", "debug", "daemons", '\0', NULL, "debug-daemons", 0,
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NULL, OPAL_CMD_LINE_TYPE_BOOL,
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"Enable debugging of OpenRTE daemons" },
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{ "orte", "debug", "daemons_file", '\0', NULL, "debug-daemons-file", 0,
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NULL, OPAL_CMD_LINE_TYPE_BOOL,
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"Enable debugging of OpenRTE daemons, storing output in files" },
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{ NULL, NULL, NULL, '\0', NULL, "hnp", 0,
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&orted_globals.hnp, OPAL_CMD_LINE_TYPE_BOOL,
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"Direct the orted to act as the HNP"},
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{ "orte", "hnp", "uri", '\0', NULL, "hnp-uri", 1,
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NULL, OPAL_CMD_LINE_TYPE_STRING,
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"URI for the HNP"},
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{ NULL, NULL, NULL, '\0', NULL, "set-sid", 0,
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&orted_globals.set_sid, OPAL_CMD_LINE_TYPE_BOOL,
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"Direct the orted to separate from the current session"},
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{ NULL, NULL, NULL, '\0', NULL, "nodename", 1,
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&orte_process_info.nodename, OPAL_CMD_LINE_TYPE_STRING,
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"Node name as specified by host/resource description." },
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{ "tmpdir", "base", NULL, '\0', NULL, "tmpdir", 1,
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NULL, OPAL_CMD_LINE_TYPE_STRING,
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"Set the root for the session directory tree" },
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{ NULL, NULL, NULL, '\0', NULL, "report-uri", 1,
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&orted_globals.uri_pipe, OPAL_CMD_LINE_TYPE_INT,
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"Report this process' uri on indicated pipe"},
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{ NULL, NULL, NULL, '\0', NULL, "singleton-died-pipe", 1,
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&orted_globals.singleton_died_pipe, OPAL_CMD_LINE_TYPE_INT,
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"Watch on indicated pipe for singleton termination"},
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{ NULL, NULL, NULL, '\0', NULL, "parent", 1,
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&orted_globals.parent, OPAL_CMD_LINE_TYPE_STRING,
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"Parent vpid for tree-based spawns"},
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/* End of list */
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{ NULL, NULL, NULL, '\0', NULL, NULL, 0,
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NULL, OPAL_CMD_LINE_TYPE_NULL, NULL }
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};
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int orte_daemon(int argc, char *argv[])
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{
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int ret = 0;
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int fd;
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opal_cmd_line_t *cmd_line = NULL;
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char log_file[PATH_MAX];
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char *jobidstring;
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char *rml_uri;
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int i;
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opal_buffer_t *buffer;
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char hostname[100];
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char *tmp_env_var = NULL;
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/* initialize the globals */
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memset(&orted_globals, 0, sizeof(orted_globals));
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/* initialize the singleton died pipe to an illegal value so we can detect it was set */
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orted_globals.singleton_died_pipe = -1;
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/* setup to check common command line options that just report and die */
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cmd_line = OBJ_NEW(opal_cmd_line_t);
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opal_cmd_line_create(cmd_line, orte_cmd_line_opts);
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mca_base_cmd_line_setup(cmd_line);
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if (ORTE_SUCCESS != (ret = opal_cmd_line_parse(cmd_line, false,
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argc, argv))) {
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char *args = NULL;
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args = opal_cmd_line_get_usage_msg(cmd_line);
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opal_show_help("help-orted.txt", "orted:usage", false,
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argv[0], args);
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free(args);
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return ret;
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}
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/*
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* Since this process can now handle MCA/GMCA parameters, make sure to
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* process them.
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*/
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mca_base_cmd_line_process_args(cmd_line, &environ, &environ);
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/* Ensure that enough of OPAL is setup for us to be able to run */
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/*
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* NOTE: (JJH)
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* We need to allow 'mca_base_cmd_line_process_args()' to process command
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* line arguments *before* calling opal_init_util() since the command
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* line could contain MCA parameters that affect the way opal_init_util()
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* functions. AMCA parameters are one such option normally received on the
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* command line that affect the way opal_init_util() behaves.
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* It is "safe" to call mca_base_cmd_line_process_args() before
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* opal_init_util() since mca_base_cmd_line_process_args() does *not*
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* depend upon opal_init_util() functionality.
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*/
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if (OPAL_SUCCESS != opal_init_util()) {
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fprintf(stderr, "OPAL failed to initialize -- orted aborting\n");
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exit(1);
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}
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/* save the environment for use when launching application processes */
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orte_launch_environ = opal_argv_copy(environ);
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/* register and process the orte params */
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if (ORTE_SUCCESS != (ret = orte_register_params())) {
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return ret;
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}
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/* if orte_daemon_debug is set, let someone know we are alive right
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* away just in case we have a problem along the way
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*/
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if (orte_debug_daemons_flag) {
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gethostname(hostname, 100);
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fprintf(stderr, "Daemon was launched on %s - beginning to initialize\n", hostname);
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}
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/* check for help request */
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if (orted_globals.help) {
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char *args = NULL;
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args = opal_cmd_line_get_usage_msg(cmd_line);
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opal_show_help("help-orted.txt", "orted:usage", false,
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argv[0], args);
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free(args);
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return 1;
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}
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#if defined(HAVE_SETSID) && !defined(__WINDOWS__)
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/* see if we were directed to separate from current session */
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if (orted_globals.set_sid) {
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setsid();
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}
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#endif /* !defined(__WINDOWS__) */
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/* see if they want us to spin until they can connect a debugger to us */
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i=0;
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/*orted_globals.spin = 1;*/
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while (orted_spin_flag) {
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i++;
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if (1000 < i) i=0;
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}
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/* Okay, now on to serious business! */
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if (orted_globals.hnp) {
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/* we are to be the hnp, so set that flag */
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orte_process_info.hnp = true;
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orte_process_info.daemon = false;
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} else {
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/* set ourselves to be just a daemon */
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orte_process_info.hnp = false;
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orte_process_info.daemon = true;
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}
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#if OPAL_ENABLE_FT == 1
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/* Mark as a tool program */
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tmp_env_var = mca_base_param_env_var("opal_cr_is_tool");
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opal_setenv(tmp_env_var,
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"1",
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true, &environ);
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free(tmp_env_var);
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#endif
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tmp_env_var = NULL; /* Silence compiler warning */
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/* detach from controlling terminal
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* otherwise, remain attached so output can get to us
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*/
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if(!orte_debug_flag &&
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!orte_debug_daemons_flag &&
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orted_globals.daemonize) {
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opal_daemon_init(NULL);
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}
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/* Set the flag telling OpenRTE that I am NOT a
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* singleton, but am "infrastructure" - prevents setting
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* up incorrect infrastructure that only a singleton would
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* require.
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*/
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if (ORTE_SUCCESS != (ret = orte_init(ORTE_NON_TOOL))) {
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ORTE_ERROR_LOG(ret);
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return ret;
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}
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/* insert our contact info into our process_info struct so we
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* have it for later use and set the local daemon field to our name
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*/
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orte_process_info.my_daemon_uri = orte_rml.get_contact_info();
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ORTE_PROC_MY_DAEMON->jobid = ORTE_PROC_MY_NAME->jobid;
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ORTE_PROC_MY_DAEMON->vpid = ORTE_PROC_MY_NAME->vpid;
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/* if I am also the hnp, then update that contact info field too */
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if (orte_process_info.hnp) {
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orte_process_info.my_hnp_uri = orte_rml.get_contact_info();
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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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}
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/* setup an event we can wait for to tell
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* us to terminate - both normal and abnormal
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* termination will call us here. Use the same exit
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* fd as orterun so that orte_comm can wake either of us up
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* since we share that code
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*/
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if (ORTE_SUCCESS != (ret = orte_wait_event(&orted_exit_event, &orte_exit, shutdown_callback))) {
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ORTE_ERROR_LOG(ret);
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return ret;
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}
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/* setup our receive function - this will allow us to relay messages
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* during start for better scalability
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*/
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ret = orte_rml.recv_buffer_nb(ORTE_NAME_WILDCARD, ORTE_RML_TAG_DAEMON,
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ORTE_RML_NON_PERSISTENT, orte_daemon_recv, NULL);
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if (ret != ORTE_SUCCESS && ret != ORTE_ERR_NOT_IMPLEMENTED) {
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ORTE_ERROR_LOG(ret);
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return ret;
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}
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/* Set signal handlers to catch kill signals so we can properly clean up
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* after ourselves.
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*/
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opal_event_set(&term_handler, SIGTERM, OPAL_EV_SIGNAL,
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shutdown_callback, NULL);
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opal_event_add(&term_handler, NULL);
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opal_event_set(&int_handler, SIGINT, OPAL_EV_SIGNAL,
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shutdown_callback, NULL);
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opal_event_add(&int_handler, NULL);
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#ifndef __WINDOWS__
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/** setup callbacks for signals we should ignore */
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opal_signal_set(&sigusr1_handler, SIGUSR1,
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signal_callback, &sigusr1_handler);
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opal_signal_add(&sigusr1_handler, NULL);
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opal_signal_set(&sigusr2_handler, SIGUSR2,
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signal_callback, &sigusr2_handler);
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opal_signal_add(&sigusr2_handler, NULL);
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#endif /* __WINDOWS__ */
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/* setup stdout/stderr */
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if (orte_debug_daemons_file_flag) {
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/* if we are debugging to a file, then send stdout/stderr to
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* the orted log file
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*/
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/* get my jobid */
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if (ORTE_SUCCESS != (ret = orte_util_convert_jobid_to_string(&jobidstring,
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ORTE_PROC_MY_NAME->jobid))) {
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ORTE_ERROR_LOG(ret);
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return ret;
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}
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/* define a log file name in the session directory */
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sprintf(log_file, "output-orted-%s-%s.log",
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jobidstring, orte_process_info.nodename);
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log_path = opal_os_path(false,
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orte_process_info.tmpdir_base,
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orte_process_info.top_session_dir,
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log_file,
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NULL);
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fd = open(log_path, O_RDWR|O_CREAT|O_TRUNC, 0640);
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if (fd < 0) {
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/* couldn't open the file for some reason, so
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* just connect everything to /dev/null
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*/
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fd = open("/dev/null", O_RDWR|O_CREAT|O_TRUNC, 0666);
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} else {
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dup2(fd, STDOUT_FILENO);
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dup2(fd, STDERR_FILENO);
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if(fd != STDOUT_FILENO && fd != STDERR_FILENO) {
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close(fd);
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}
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}
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}
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/* output a message indicating we are alive, our name, and our pid
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* for debugging purposes
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*/
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if (orte_debug_daemons_flag) {
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fprintf(stderr, "Daemon %s checking in as pid %ld on host %s\n",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), (long)orte_process_info.pid,
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orte_process_info.nodename);
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}
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/* We actually do *not* want the orted to voluntarily yield() the
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processor more than necessary. The orted already blocks when
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it is doing nothing, so it doesn't use any more CPU cycles than
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it should; but when it *is* doing something, we do not want it
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to be unnecessarily delayed because it voluntarily yielded the
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processor in the middle of its work.
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For example: when a message arrives at the orted, we want the
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OS to wake up the orted in a timely fashion (which most OS's
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seem good about doing) and then we want the orted to process
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the message as fast as possible. If the orted yields and lets
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aggressive MPI applications get the processor back, it may be a
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long time before the OS schedules the orted to run again
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(particularly if there is no IO event to wake it up). Hence,
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routed OOB messages (for example) may be significantly delayed
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before being delivered to MPI processes, which can be
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problematic in some scenarios (e.g., COMM_SPAWN, BTL's that
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require OOB messages for wireup, etc.). */
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opal_progress_set_yield_when_idle(false);
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/* Change the default behavior of libevent such that we want to
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continually block rather than blocking for the default timeout
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and then looping around the progress engine again. There
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should be nothing in the orted that cannot block in libevent
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until "something" happens (i.e., there's no need to keep
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cycling through progress because the only things that should
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happen will happen in libevent). This is a minor optimization,
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but what the heck... :-) */
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opal_progress_set_event_flag(OPAL_EVLOOP_ONCE);
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/* if requested, obtain and report a new process name and my uri to the indicated pipe */
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if (orted_globals.uri_pipe > 0) {
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orte_job_t *jdata;
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orte_proc_t *proc;
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orte_node_t **nodes;
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orte_app_context_t *app;
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char *tmp, *nptr;
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int rc;
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/* setup the singleton's job */
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jdata = OBJ_NEW(orte_job_t);
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orte_plm_base_create_jobid(&jdata->jobid);
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opal_pointer_array_add(orte_job_data, jdata);
|
|
|
|
/* setup an app_context for the singleton */
|
|
app = OBJ_NEW(orte_app_context_t);
|
|
app->app = strdup("singleton");
|
|
app->num_procs = 1;
|
|
opal_pointer_array_add(jdata->apps, app);
|
|
|
|
/* run our local allocator to read the available
|
|
* allocation in case this singleton decides to
|
|
* comm_spawn other procs
|
|
*/
|
|
if (ORTE_SUCCESS != (rc = orte_ras.allocate(jdata))) {
|
|
ORTE_ERROR_LOG(rc);
|
|
/* don't quit as this would cause the singleton
|
|
* to hang!
|
|
*/
|
|
}
|
|
|
|
nodes = (orte_node_t**)orte_node_pool->addr;
|
|
|
|
/* setup a proc object for the singleton - since we
|
|
* -must- be the HNP, and therefore we stored our
|
|
* node on the global node pool, and since the singleton
|
|
* -must- be on the same node as us, indicate that
|
|
*/
|
|
proc = OBJ_NEW(orte_proc_t);
|
|
proc->name.jobid = jdata->jobid;
|
|
proc->name.vpid = 0;
|
|
proc->state = ORTE_PROC_STATE_RUNNING;
|
|
proc->app_idx = 0;
|
|
proc->node = nodes[0]; /* hnp node must be there */
|
|
OBJ_RETAIN(nodes[0]); /* keep accounting straight */
|
|
opal_pointer_array_add(jdata->procs, proc);
|
|
jdata->num_procs = 1;
|
|
|
|
/* create a string that contains our uri + the singleton's name */
|
|
orte_util_convert_process_name_to_string(&nptr, &proc->name);
|
|
asprintf(&tmp, "%s[%s]", orte_process_info.my_daemon_uri, nptr);
|
|
free(nptr);
|
|
|
|
/* pass that info to the singleton */
|
|
write(orted_globals.uri_pipe, tmp, strlen(tmp)+1); /* need to add 1 to get the NULL */
|
|
|
|
/* cleanup */
|
|
free(tmp);
|
|
}
|
|
|
|
/* if we were given a pipe to monitor for singleton termination, set that up */
|
|
if (orted_globals.singleton_died_pipe > 0) {
|
|
/* register shutdown handler */
|
|
opal_event_set(&pipe_handler,
|
|
orted_globals.singleton_died_pipe,
|
|
OPAL_EV_READ|OPAL_EV_PERSIST,
|
|
shutdown_callback,
|
|
&orted_globals.singleton_died_pipe);
|
|
opal_event_add(&pipe_handler, NULL);
|
|
}
|
|
|
|
/* if we are not the HNP...the only time we will be an HNP
|
|
* is if we are launched by a singleton to provide support
|
|
* for it
|
|
*/
|
|
if (!orte_process_info.hnp) {
|
|
/* send the information to the orted report-back point - this function
|
|
* will process the data, but also counts the number of
|
|
* orteds that reported back so the launch procedure can continue.
|
|
* We need to do this at the last possible second as the HNP
|
|
* can turn right around and begin issuing orders to us
|
|
*/
|
|
orte_process_name_t parent;
|
|
|
|
buffer = OBJ_NEW(opal_buffer_t);
|
|
rml_uri = orte_rml.get_contact_info();
|
|
if (ORTE_SUCCESS != (ret = opal_dss.pack(buffer, &rml_uri, 1, OPAL_STRING))) {
|
|
ORTE_ERROR_LOG(ret);
|
|
OBJ_RELEASE(buffer);
|
|
return ret;
|
|
}
|
|
/* if no parent was specified, send to my hnp */
|
|
if (NULL == orted_globals.parent) {
|
|
parent.vpid = ORTE_PROC_MY_HNP->vpid;
|
|
parent.jobid = ORTE_PROC_MY_HNP->jobid;
|
|
} else {
|
|
/* set the parent's contact info into our hash tables */
|
|
orte_rml.set_contact_info(orted_globals.parent);
|
|
/* extract the parent's name */
|
|
orte_rml_base_parse_uris(orted_globals.parent, &parent, NULL);
|
|
/* set the route to be direct */
|
|
orte_routed.update_route(&parent, &parent);
|
|
}
|
|
if (0 > (ret = orte_rml.send_buffer(&parent, buffer,
|
|
ORTE_RML_TAG_ORTED_CALLBACK, 0))) {
|
|
ORTE_ERROR_LOG(ret);
|
|
OBJ_RELEASE(buffer);
|
|
return ret;
|
|
}
|
|
OBJ_RELEASE(buffer); /* done with this */
|
|
}
|
|
|
|
if (orte_debug_daemons_flag) {
|
|
opal_output(0, "%s orted: up and running - waiting for commands!", ORTE_NAME_PRINT(ORTE_PROC_MY_NAME));
|
|
}
|
|
|
|
/* wait to hear we are done */
|
|
opal_event_dispatch();
|
|
|
|
/* should never get here, but if we do... */
|
|
|
|
/* cleanup any lingering session directories */
|
|
orte_session_dir_cleanup(ORTE_JOBID_WILDCARD);
|
|
|
|
/* Finalize and clean up ourselves */
|
|
if (ORTE_SUCCESS != (ret = orte_finalize())) {
|
|
ORTE_ERROR_LOG(ret);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static void shutdown_callback(int fd, short flags, void *arg)
|
|
{
|
|
int ret;
|
|
|
|
/* protect against multiple calls */
|
|
if (!opal_atomic_trylock(&orted_exit_lock)) { /* returns 1 if already locked */
|
|
return;
|
|
}
|
|
|
|
if (NULL != arg) {
|
|
/* it's the singleton pipe... remove that handler */
|
|
opal_event_del(&pipe_handler);
|
|
}
|
|
|
|
if (orte_debug_daemons_flag) {
|
|
opal_output(0, "%s orted: finalizing", ORTE_NAME_PRINT(ORTE_PROC_MY_NAME));
|
|
}
|
|
|
|
/* cleanup */
|
|
if (NULL != log_path) {
|
|
unlink(log_path);
|
|
}
|
|
|
|
/* make sure our local procs are dead - but don't update their state
|
|
* on the HNP as this may be redundant
|
|
*/
|
|
orte_odls.kill_local_procs(ORTE_JOBID_WILDCARD, false);
|
|
|
|
/* Finalize and clean up ourselves */
|
|
if (ORTE_SUCCESS != (ret = orte_finalize())) {
|
|
ORTE_ERROR_LOG(ret);
|
|
}
|
|
exit(ret);
|
|
}
|
|
|
|
static void signal_callback(int fd, short event, void *arg)
|
|
{
|
|
/* just ignore these signals */
|
|
}
|