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.
293 строки
9.7 KiB
C
293 строки
9.7 KiB
C
/*
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* Copyright (c) 2004-2007 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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* $COPYRIGHT$
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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 <stdlib.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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#include <ctype.h>
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#include "opal/util/opal_environ.h"
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#include "opal/util/argv.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/util/show_help.h"
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#include "opal/mca/base/mca_base_param.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/plm/plm.h"
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#include "orte/mca/plm/base/plm_private.h"
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#include "orte/mca/plm/submit/plm_submit.h"
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/*
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* Local function
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*/
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static char **search(const char* agent_list);
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/*
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* Public string showing the plm ompi_submit component version number
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*/
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const char *mca_plm_submit_component_version_string =
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"Open MPI submit plm MCA component version " ORTE_VERSION;
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/*
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* Instantiate the public struct with all of our public information
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* and pointers to our public functions in it
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*/
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orte_plm_submit_component_t mca_plm_submit_component = {
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{
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/* First, the mca_component_t struct containing meta information
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about the component itself */
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{
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/* Indicate that we are a plm v1.0.0 component (which also
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implies a specific MCA version) */
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ORTE_PLM_BASE_VERSION_1_0_0,
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/* Component name and version */
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"submit",
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ORTE_MAJOR_VERSION,
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ORTE_MINOR_VERSION,
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ORTE_RELEASE_VERSION,
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/* Component open and close functions */
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orte_plm_submit_component_open,
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orte_plm_submit_component_close
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},
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/* Next the MCA v1.0.0 component meta data */
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{
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/* The component is checkpoint ready */
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MCA_BASE_METADATA_PARAM_CHECKPOINT
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},
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/* Initialization / querying functions */
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orte_plm_submit_component_init
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}
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};
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int orte_plm_submit_component_open(void)
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{
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int tmp, value;
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mca_base_component_t *c = &mca_plm_submit_component.super.plm_version;
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/* initialize globals */
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OBJ_CONSTRUCT(&mca_plm_submit_component.lock, opal_mutex_t);
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OBJ_CONSTRUCT(&mca_plm_submit_component.cond, opal_condition_t);
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mca_plm_submit_component.num_children = 0;
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mca_plm_submit_component.agent_argv = NULL;
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mca_plm_submit_component.agent_argc = 0;
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mca_plm_submit_component.agent_path = NULL;
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/* lookup parameters */
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mca_base_param_reg_int(c, "debug",
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"Whether or not to enable debugging output for the submit plm component (0 or 1)",
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false, false, false, &tmp);
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mca_plm_submit_component.debug = OPAL_INT_TO_BOOL(tmp);
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mca_base_param_reg_int(c, "num_concurrent",
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"How many plm_submit_agent instances to invoke concurrently (must be > 0)",
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false, false, 128, &tmp);
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if (tmp <= 0) {
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opal_show_help("help-plm-submit.txt", "concurrency-less-than-zero",
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true, tmp);
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tmp = 1;
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}
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mca_plm_submit_component.num_concurrent = tmp;
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if (mca_plm_submit_component.debug == 0) {
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mca_base_param_reg_int_name("orte", "debug",
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"Whether or not to enable debugging output for all ORTE components (0 or 1)",
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false, false, false, &tmp);
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mca_plm_submit_component.debug = OPAL_INT_TO_BOOL(tmp);
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}
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mca_base_param_reg_int_name("orte", "debug_daemons",
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"Whether or not to enable debugging of daemons (0 or 1)",
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false, false, false, &tmp);
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mca_plm_submit_component.debug_daemons = OPAL_INT_TO_BOOL(tmp);
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tmp = mca_base_param_reg_int_name("orte", "timing",
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"Request that critical timing loops be measured",
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false, false, 0, &value);
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if (value != 0) {
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mca_plm_submit_component.timing = true;
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} else {
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mca_plm_submit_component.timing = false;
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}
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mca_base_param_reg_string(c, "orted",
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"The command name that the submit plm component will invoke for the ORTE daemon",
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false, false, "orted",
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&mca_plm_submit_component.orted);
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mca_base_param_reg_int(c, "priority",
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"Priority of the submit plm component",
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false, false, 10,
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&mca_plm_submit_component.priority);
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mca_base_param_reg_int(c, "delay",
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"Delay (in seconds) between invocations of the remote agent, but only used when the \"debug\" MCA parameter is true, or the top-level MCA debugging is enabled (otherwise this value is ignored)",
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false, false, 1,
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&mca_plm_submit_component.delay);
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mca_base_param_reg_int(c, "assume_same_shell",
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"If set to 1, assume that the shell on the remote node is the same as the shell on the local node. Otherwise, probe for what the remote shell.",
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false, false, 1, &tmp);
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mca_plm_submit_component.assume_same_shell = OPAL_INT_TO_BOOL(tmp);
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mca_base_param_reg_string(c, "agent",
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"The command used to launch executables on remote nodes (typically either \"ssh\" or \"submit\")",
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false, false, "ssh : submit",
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&mca_plm_submit_component.agent_param);
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return ORTE_SUCCESS;
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}
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orte_plm_base_module_t *orte_plm_submit_component_init(int *priority)
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{
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char *bname;
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size_t i;
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/* Take the string that was given to us by the pla_submit_agent MCA
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param and search for it */
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mca_plm_submit_component.agent_argv =
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search(mca_plm_submit_component.agent_param);
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mca_plm_submit_component.agent_argc =
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opal_argv_count(mca_plm_submit_component.agent_argv);
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mca_plm_submit_component.agent_path = NULL;
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if (mca_plm_submit_component.agent_argc > 0) {
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/* If the agent is ssh, and debug was not selected, then
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automatically add "-x" */
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bname = opal_basename(mca_plm_submit_component.agent_argv[0]);
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if (NULL != bname && 0 == strcmp(bname, "ssh") &&
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mca_plm_submit_component.debug == 0) {
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for (i = 1; NULL != mca_plm_submit_component.agent_argv[i]; ++i) {
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if (0 == strcasecmp("-x",
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mca_plm_submit_component.agent_argv[i])) {
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break;
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}
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}
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if (NULL == mca_plm_submit_component.agent_argv[i]) {
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opal_argv_append(&mca_plm_submit_component.agent_argc,
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&mca_plm_submit_component.agent_argv, "-x");
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}
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}
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if (NULL != bname) {
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free(bname);
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}
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}
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/* If we didn't find the agent in the path, then don't use this
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component */
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if (NULL == mca_plm_submit_component.agent_argv ||
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NULL == mca_plm_submit_component.agent_argv[0]) {
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return NULL;
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}
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mca_plm_submit_component.agent_path =
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opal_path_findv(mca_plm_submit_component.agent_argv[0], X_OK,
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environ, NULL);
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if (NULL == mca_plm_submit_component.agent_path) {
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return NULL;
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}
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*priority = mca_plm_submit_component.priority;
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return &orte_plm_submit_module;
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}
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int orte_plm_submit_component_close(void)
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{
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/* cleanup state */
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OBJ_DESTRUCT(&mca_plm_submit_component.lock);
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OBJ_DESTRUCT(&mca_plm_submit_component.cond);
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if (NULL != mca_plm_submit_component.orted) {
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free(mca_plm_submit_component.orted);
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}
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if (NULL != mca_plm_submit_component.agent_param) {
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free(mca_plm_submit_component.agent_param);
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}
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if (NULL != mca_plm_submit_component.agent_argv) {
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opal_argv_free(mca_plm_submit_component.agent_argv);
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}
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if (NULL != mca_plm_submit_component.agent_path) {
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free(mca_plm_submit_component.agent_path);
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}
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return ORTE_SUCCESS;
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}
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/*
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* Take a colon-delimited list of agents and locate the first one that
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* we are able to find in the PATH. Split that one into argv and
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* return it. If nothing found, then return NULL.
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*/
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static char **search(const char* agent_list)
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{
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int i, j;
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char *line, **lines = opal_argv_split(agent_list, ':');
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char **tokens, *tmp;
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char cwd[PATH_MAX];
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getcwd(cwd, PATH_MAX);
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for (i = 0; NULL != lines[i]; ++i) {
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line = lines[i];
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/* Trim whitespace at the beginning and end of the line */
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for (j = 0; '\0' != line[j] && isspace(line[j]); ++line) {
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continue;
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}
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for (j = strlen(line) - 2; j > 0 && isspace(line[j]); ++j) {
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line[j] = '\0';
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}
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if (strlen(line) <= 0) {
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continue;
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}
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/* Split it */
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tokens = opal_argv_split(line, ' ');
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/* Look for the first token in the PATH */
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tmp = opal_path_findv(tokens[0], X_OK, environ, cwd);
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if (NULL != tmp) {
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free(tokens[0]);
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tokens[0] = tmp;
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opal_argv_free(lines);
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return tokens;
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}
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/* Didn't find it */
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opal_argv_free(tokens);
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}
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/* Doh -- didn't find anything */
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opal_argv_free(lines);
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return NULL;
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}
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