5b9fa7e998
the RML/OOB merge in slightly easier This commit was SVN r15530. The following SVN revision numbers were found above: r15517 --> open-mpi/ompi@41977fcc95 r15520 --> open-mpi/ompi@9cbc9df1b8 r15527 --> open-mpi/ompi@2d17dd9516
573 строки
22 KiB
C
573 строки
22 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) 2004-2005 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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/** @file:
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*
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* The Open MPI Name Server
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*
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* The Open MPI Name Server provides unique name ranges for processes
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* within the universe. Each universe will have one name server
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* running within the seed daemon. This is done to prevent the
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* inadvertent duplication of names.
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*/
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#ifndef MCA_NS_H
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#define MCA_NS_H
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/*
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* includes
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*/
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#include "orte_config.h"
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#include "orte/orte_constants.h"
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#include "orte/orte_types.h"
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#include "orte/dss/dss.h"
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#include "opal/mca/mca.h"
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#include "orte/mca/rml/rml.h"
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#include "opal/mca/crs/crs.h"
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#include "opal/mca/crs/base/base.h"
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#include "ns_types.h"
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#if defined(c_plusplus) || defined(__cplusplus)
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extern "C" {
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#endif
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/*
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* Component functions - all MUST be provided!
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*/
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/* Init the selected module
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*/
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typedef int (*orte_ns_base_module_init_fn_t)(void);
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/**** NODE FUNCTIONS ****/
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/*
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* Get an array of node id's
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* Given a NULL-terminated array of names of nodes within it, this function assigns an id to represent
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* each node.
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*/
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typedef int (*orte_ns_base_module_create_nodeids_fn_t)(orte_nodeid_t **nodes, orte_std_cntr_t *nnodes,
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char **nodenames);
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/*
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* Get node info
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* Retrieve the names of an array of nodes given their nodeids.
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*
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* @param nodeids The ids of the node.
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* @param nodenames Returns a pointer to a NULL-terminated array of strdup'd strings containing the node names.
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* @retval ORTE_SUCCESS The nodename was created and returned.
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* @retval ORTE_ERROR_VALUE An error code indicative of the problem.
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*/
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typedef int (*orte_ns_base_module_get_node_info_fn_t)(char ***nodename,
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orte_std_cntr_t num_nodes, orte_nodeid_t *nodeids);
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/*
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* Convert nodeid to character string
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* Returns the nodeid in a character string representation. The string is created
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* by expressing the provided nodeid in decimal. Memory for the string is
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* allocated by the function - releasing that allocation is the responsibility of
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* the calling program.
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*
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* @param nodeid The nodeid to be converted.
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*
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* @param *nodeid_string A pointer to a character string representation of the nodeid.
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* @retval ORTE_SUCCESS The string was created and returned.
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* @retval ORTE_ERROR_VALUE An error code indicative of the problem.
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*/
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typedef int (*orte_ns_base_module_convert_nodeid_to_string_fn_t)(char **nodeid_string, const orte_nodeid_t nodeid);
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/*
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* Convert a string to a nodeid.
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* Converts a characters string into a nodeid. The character string must be a
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* decimal representation of a valid nodeid.
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*
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* @param nodeidstring The string to be converted.
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*
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* @param nodeid A pointer to a location where the resulting nodeid is to be stored.
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* @retval ORTE_SUCCESS The string was created and returned.
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* @retval ORTE_ERROR_VALUE An error code indicative of the problem.
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*/
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typedef int (*orte_ns_base_module_convert_string_to_nodeid_fn_t)(orte_nodeid_t *nodeid, const char *nodeidstring);
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/**** JOB ID FUNCTIONS ****/
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/**
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* Create a new job id.
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* Allocate a new job id for use by the caller.
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*
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* The 0 job id is reserved for daemons within the system and will not be allocated.
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* Developers should therefore assume that the daemon job id is automatically allocated
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* and proceed to request names against it.
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*
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* @param None
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* @param jobid A pointer to the location where the jobid is to be returned.
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* @param attrs A list of attributes that describe any conditions to be placed on
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* the assigned jobid. For example, specifying USE_PARENT indicates that the specified
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* jobid is to be identified as the parent of the new jobid. USE_ROOT indicates that
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* the root of the job family of the specified jobid is to be identified as the parent.
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*/
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typedef int (*orte_ns_base_module_create_jobid_fn_t)(orte_jobid_t *jobid, opal_list_t *attrs);
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/*
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* Get job descendants
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* Given a jobid, return the array of jobids that descend from this one.
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*/
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typedef int (*orte_ns_base_module_get_job_descendants_fn_t)(orte_jobid_t** descendants,
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orte_std_cntr_t *num_desc,
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orte_jobid_t job);
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/*
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* Get job children
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* Given a jobid, return the array of jobids that are direct children of that job
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*/
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typedef int (*orte_ns_base_module_get_job_children_fn_t)(orte_jobid_t** children,
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orte_std_cntr_t *num_childs,
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orte_jobid_t job);
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/*
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* Get root job from job family
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* Given a jobid, return the jobid at the head of this job's family. If the jobid provided is the
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* root for that family, that value will be returned.
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*/
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typedef int (*orte_ns_base_module_get_root_job_fn_t)(orte_jobid_t *root_job, orte_jobid_t job);
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/*
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* Get a job family
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* Given a jobid, return the array of jobids (including the given one) that are members
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* of that extended job family. This will return ALL jobs related to the given one.
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*/
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typedef int (*orte_ns_base_module_get_job_family_fn_t)(orte_jobid_t** family,
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orte_std_cntr_t *num_members,
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orte_jobid_t job);
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/*
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* Get parent jobid
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* Given a jobid, return the parent job from which it descended. If the provided jobid is the
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* root (i.e., has no parent), this function will return that same value.
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*/
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typedef int (*orte_ns_base_module_get_parent_job_fn_t)(orte_jobid_t *parent, orte_jobid_t job);
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/**
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* Reserve a range of process id's.
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* The reserve_range() function reserves a range of vpid's for the given jobid.
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*
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* @param jobid The id of the job for which the vpid's are to be reserved.
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* @param range The number of vpid's to be reserved. The function will find the
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* next available process id and assign range-number of sequential id's to the caller.
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* These id's will be reserved - i.e., they cannot be assigned to any subsequent caller.
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*
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* @retval startid The starting value of the reserved range of vpid's. A value of MCA_NS_BASE_VPID_MAX
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* indicates that an error occurred.
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*
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* @code
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* starting_procid = ompi_name_server.reserve_range(jobid, range)
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* @endcode
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*/
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typedef int (*orte_ns_base_module_reserve_range_fn_t)(orte_jobid_t job,
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orte_vpid_t range,
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orte_vpid_t *startvpid);
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/*
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* Get the range of vpids assigned to a specified jobid
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* Given a jobid, return the maximum vpid value assigned to that job.
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*/
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typedef int (*orte_ns_base_module_get_vpid_range_fn_t)(orte_jobid_t job, orte_vpid_t *range);
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/**
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* Get the job id as a character string.
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* The get_jobid_string() function returns the job id in a character string
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* representation. The string is created by expressing the field in hexadecimal. Memory
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* for the string is allocated by the function - releasing that allocation is the
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* responsibility of the calling program.
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*
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* @param *name A pointer to the name structure containing the name to be
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* "translated" to a string.
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*
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* @retval *name_string A pointer to the character string representation of the
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* job id.
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* @retval NULL Indicates an error occurred - either no memory could be allocated
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* or the caller provided an incorrect name pointer (e.g., NULL).
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*
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* @code
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* jobid-string = ompi_name_server.get_jobid_string(&name)
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* @endcode
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*/
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typedef int (*orte_ns_base_module_get_jobid_string_fn_t)(char **jobid_string, const orte_process_name_t* name);
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/**
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* Convert jobid to character string
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* The convert_jobid_to_string() function returns the jobid in a character string representation.
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* The string is created by expressing the provided jobid in hexadecimal. Memory
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* for the string is allocated by the function - releasing that allocation is the
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* responsibility of the calling program.
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*
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* @param jobid The jobid to be converted.
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*
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* @retval *jobid_string A pointer to a character string representation of the
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* jobid.
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* @retval NULL Indicates an error occurred - probably no memory could be allocated.
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*
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* @code
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* jobid-string = ompi_name_server.convert_jobid_to_string(jobid);
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* @endcode
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*/
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typedef int (*orte_ns_base_module_convert_jobid_to_string_fn_t)(char **jobid_string, const orte_jobid_t jobid);
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/**
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* Convert a string to a jobid
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* Converts a character string into a jobid. The character string must be a hexadecimal
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* representation of a valid jobid.
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*
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* @param jobidstring The string to be converted.
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*
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* @retval jobid The resulting jobid.
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* @retval MCA_NS_BASE_JOBID_MAX String could not be converted.
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*
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* @code
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* jobid = ompi_name_server.convert_string_to_jobid(jobidstring);
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* @endcode
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*
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*/
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typedef int (*orte_ns_base_module_convert_string_to_jobid_fn_t)(orte_jobid_t *jobid, const char* jobidstring);
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/**** NAME FUNCTIONS ****/
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/**
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* Obtain a single new process name.
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* The create_process_name() function creates a single process name structure and fills the
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* fields with the provided values.
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*
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* @param job The id of the job to which the process will belong.
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* @param vpid The virtual process id for the name. Note that no check is made for uniqueness -
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* the caller is responsible for ensuring that the requested name is, in fact, unique
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* by first requesting reservation of an appropriate range of virtual process id's.
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*
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* @retval *name Pointer to an ompi_process_name_t structure containing the name.
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* @retval NULL Indicates an error, probably due to inability to allocate memory for
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* the name structure.
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*
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* @code
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* new_name = ompi_name_server.create_process_name(cell, job, vpid);
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* @endcode
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*/
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typedef int (*orte_ns_base_module_create_proc_name_fn_t)(orte_process_name_t **name,
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orte_jobid_t job,
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orte_vpid_t vpid);
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/*
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* Create my name
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* If a process is a singleton, then it needs to create a name for itself. When
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* a persistent daemon is present, this requires a communication to that daemon.
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* Since the RML uses process names as its index into the RML communicator table,
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* the RML automatically assigns a name to each process when it first attempts
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* to communicate. This function takes advantage of that behavior to ensure that
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* one, and ONLY one, name gets assigned to the process
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*/
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typedef int (*orte_ns_base_module_create_my_name_fn_t)(void);
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/**
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* Convert a string representation to a process name.
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* The convert_string_to_process_name() function converts a string representation of a process
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* name into an Open MPI name structure. The string must be of the proper form - i.e., it
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* must be in the form "jobid.vpid", where each field is expressed in hexadecimal form.
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*
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* @param *name_string A character string representation of a process name.
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*
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* @retval *name Pointer to an orte_process_name_t structure containing the name.
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* @retval NULL Indicates an error, probably due to inability to allocate memory for
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* the name structure.
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*
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*/
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typedef int (*orte_ns_base_module_convert_string_to_process_name_fn_t)(orte_process_name_t **name,
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const char* name_string);
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/**
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* Get the process name as a character string.
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* The get_proc_name_string() function returns the entire process name in a
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* character string representation.
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*
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* The memory required for the string is allocated by the function - releasing
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* that allocation is the responsibility of the calling program.
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*
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* @param *name A pointer to the name structure containing the name to be
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* "translated" to a string.
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*
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* @retval *name_string A pointer to the character string representation of the
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* full name.
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* @retval NULL Indicates an error occurred - either no memory could be allocated
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* or the caller provided an incorrect name pointer (e.g., NULL).
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*
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* @code
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* name-string = ompi_name_server.get_proc_name_string(&name)
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* @endcode
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*/
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typedef int (*orte_ns_base_module_get_proc_name_string_fn_t)(char **name_string,
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const orte_process_name_t* name);
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/**
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* Compare two name values.
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* The compare() function checks the value of the fields in the two
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* provided names, and returns a value indicating if the first one is less than, greater
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* than, or equal to the second. The value of each field is compared in a hierarchical
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* fashion, with jobid and vpid in sequence. The bit-mask
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* indicates which fields are to be included in the comparison. Fields not included via the
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* bit-mask are ignored. Thus, the caller may request that any combination of the two fields
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* be included in the comparison.
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*
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* @param fields A bit-mask indicating which fields are to be included in the comparison. The
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* comparison is performed on a hierarchical basis, with
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* jobid and then vpid. Each field can be included separately, thus allowing the caller
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* to configure the comparison to meet their needs.
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* @param *name1 A pointer to the first name structure.
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* @param *name2 A pointer to the second name structure.
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*
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* @retval -1 The indicated fields of the first provided name are less than the same
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* fields of the second provided name.
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* @retval 0 The indicated fields of the two provided names are equal.
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* @retval +1 The indicated fields of the first provided name is greater than the same
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* fields of the second provided name.
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*
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*/
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typedef int (*orte_ns_base_module_compare_fields_fn_t)(orte_ns_cmp_bitmask_t fields,
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const orte_process_name_t* name1,
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const orte_process_name_t* name2);
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/**** VPID FUNCTIONS ****/
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/**
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* Get the virtual process id as a character string.
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* The get_vpid_string() function returns the vpid in a character string
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* representation. The string is created by expressing the field in hexadecimal. Memory
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* for the string is allocated by the function - releasing that allocation is the
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* responsibility of the calling program.
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*
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* @param *name A pointer to the name structure containing the name to be
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* "translated" to a string.
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*
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* @retval *name_string A pointer to the character string representation of the
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* vpid.
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* @retval NULL Indicates an error occurred - either no memory could be allocated
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* or the caller provided an incorrect name pointer (e.g., NULL).
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*
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* @code
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* vpid-string = ompi_name_server.get_vpid_string(&name)
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* @endcode
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*/
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typedef int (*orte_ns_base_module_get_vpid_string_fn_t)(char **vpid_string, const orte_process_name_t* name);
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/**
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* Convert vpid to character string
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* Returns the vpid in a character string representation. The string is created
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* by expressing the provided vpid in hexadecimal. Memory for the string is
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* allocated by the function - releasing that allocation is the responsibility of
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* the calling program.
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*
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* @param vpid The vpid to be converted.
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*
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* @retval *vpid_string A pointer to a character string representation of the vpid.
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* @retval NULL Indicates an error occurred - probably no memory could be allocated.
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*
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* @code
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* vpid-string = ompi_name_server.convert_vpid_to_string(vpid);
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* @endcode
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*/
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typedef int (*orte_ns_base_module_convert_vpid_to_string_fn_t)(char **vpid_string, const orte_vpid_t vpid);
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/**
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* Convert a string to a vpid.
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* Converts a characters string into a vpid. The character string must be a
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* hexadecimal representation of a valid vpid.
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*
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* @param vpidstring The string to be converted.
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*
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* @retval vpid The resulting vpid
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* @retval MCA_NS_BASE_VPID_MAX String could not be converted.
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*
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* @code
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* vpid = ompi_name_server.convert_string_to_vpid(vpidstring);
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* @endcode
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*/
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typedef int (*orte_ns_base_module_convert_string_to_vpid_fn_t)(orte_vpid_t *vpid, const char* vpidstring);
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/**** TAG SERVER ****/
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/*
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* Allocate a tag
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* If name is NULL, tag server provides next unique tag but cannot look
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* that number up again for anyone else.
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*/
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typedef int (*orte_ns_base_module_assign_rml_tag_fn_t)(orte_rml_tag_t *tag,
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char *name);
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/**** DATA TYPE SERVER ****/
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/* This function defines a new data type and gives it a system-wide unique
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* identifier for use in the data packing subsystem. Only called from the
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* dps when needing a new identifier.
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*/
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typedef int (*orte_ns_base_module_define_data_type_fn_t)(
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const char *name,
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orte_data_type_t *type);
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/**** PEER RETRIEVAL ****/
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/**
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* Get the process names of all processes in the specified conditions. It is
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* sometimes necessary for a process to communicate to all processes of a
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* given job, all processes in a given cell or on a given node, etc. The RML
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* communication system utilizes the process name as its "pointer" for
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* sending messages to another process. This function returns an array of
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* process name pointers that contains the names of all processes that
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* meet the specified combination of attributes.
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*
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* @param procs The location where the address of the array of pointers
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* is to be stored. The function will dynamically allocate space for the
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* array - the caller is responsible for releasing this space.
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* @param num_procs The location where the number of entries in the
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* returned array is to be stored.
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* @param attributes A list of conditions to be used in defining the
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* peers to be included in the returned array. This can include a
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* request that all peers for the parent job be returned, for example.
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* More common options would be to specify a cell or job.
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*
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* NOTE ORTE_JOBID_WILDCARD
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* in the attribute list will cause the function to return the names of *all*
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* processes currently active.
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*
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*/
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typedef int (*orte_ns_base_module_get_peers_fn_t)(orte_process_name_t **procs,
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orte_std_cntr_t *num_procs,
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opal_list_t *attributes);
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/*
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* DIAGNOSTIC INTERFACES
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*/
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typedef int (*orte_ns_base_module_dump_jobs_fn_t)(void);
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typedef int (*orte_ns_base_module_dump_tags_fn_t)(void);
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typedef int (*orte_ns_base_module_dump_datatypes_fn_t)(void);
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typedef int (*orte_ns_base_module_ft_event_fn_t)(int state);
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/*
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* Ver 2.0
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*/
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struct mca_ns_base_module_2_0_0_t {
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/* init */
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orte_ns_base_module_init_fn_t init;
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/** node functions */
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orte_ns_base_module_create_nodeids_fn_t create_nodeids;
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orte_ns_base_module_get_node_info_fn_t get_node_info;
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orte_ns_base_module_convert_nodeid_to_string_fn_t convert_nodeid_to_string;
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orte_ns_base_module_convert_string_to_nodeid_fn_t convert_string_to_nodeid;
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/* jobid functions */
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orte_ns_base_module_create_jobid_fn_t create_jobid;
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orte_ns_base_module_get_job_descendants_fn_t get_job_descendants;
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orte_ns_base_module_get_job_children_fn_t get_job_children;
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orte_ns_base_module_get_root_job_fn_t get_root_job;
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orte_ns_base_module_get_parent_job_fn_t get_parent_job;
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orte_ns_base_module_get_job_family_fn_t get_job_family;
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orte_ns_base_module_get_jobid_string_fn_t get_jobid_string;
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orte_ns_base_module_convert_jobid_to_string_fn_t convert_jobid_to_string;
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orte_ns_base_module_convert_string_to_jobid_fn_t convert_string_to_jobid;
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orte_ns_base_module_reserve_range_fn_t reserve_range;
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orte_ns_base_module_get_vpid_range_fn_t get_vpid_range;
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|
/* vpid functions */
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|
orte_ns_base_module_get_vpid_string_fn_t get_vpid_string;
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|
orte_ns_base_module_convert_vpid_to_string_fn_t convert_vpid_to_string;
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|
orte_ns_base_module_convert_string_to_vpid_fn_t convert_string_to_vpid;
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|
/* name functions */
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|
orte_ns_base_module_create_proc_name_fn_t create_process_name;
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|
orte_ns_base_module_create_my_name_fn_t create_my_name;
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|
orte_ns_base_module_convert_string_to_process_name_fn_t convert_string_to_process_name;
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|
orte_ns_base_module_get_proc_name_string_fn_t get_proc_name_string;
|
|
orte_ns_base_module_compare_fields_fn_t compare_fields;
|
|
/* peer functions */
|
|
orte_ns_base_module_get_peers_fn_t get_peers;
|
|
/* tag server functions */
|
|
orte_ns_base_module_assign_rml_tag_fn_t assign_rml_tag;
|
|
/* data type functions */
|
|
orte_ns_base_module_define_data_type_fn_t define_data_type;
|
|
/* diagnostic functions */
|
|
orte_ns_base_module_dump_jobs_fn_t dump_jobs;
|
|
orte_ns_base_module_dump_tags_fn_t dump_tags;
|
|
orte_ns_base_module_dump_datatypes_fn_t dump_datatypes;
|
|
|
|
orte_ns_base_module_ft_event_fn_t ft_event;
|
|
};
|
|
|
|
typedef struct mca_ns_base_module_2_0_0_t mca_ns_base_module_2_0_0_t;
|
|
typedef mca_ns_base_module_2_0_0_t mca_ns_base_module_t;
|
|
|
|
/*
|
|
* NS Component
|
|
*/
|
|
/**
|
|
* Initialize the selected component.
|
|
*/
|
|
typedef mca_ns_base_module_t* (*mca_ns_base_component_init_fn_t)(int *priority);
|
|
|
|
/**
|
|
* Finalize the selected module
|
|
*/
|
|
typedef int (*mca_ns_base_component_finalize_fn_t)(void);
|
|
|
|
|
|
/*
|
|
* the standard component data structure
|
|
*/
|
|
|
|
struct mca_ns_base_component_2_0_0_t {
|
|
mca_base_component_t ns_version;
|
|
mca_base_component_data_1_0_0_t ns_data;
|
|
|
|
mca_ns_base_component_init_fn_t ns_init;
|
|
mca_ns_base_component_finalize_fn_t ns_finalize;
|
|
};
|
|
typedef struct mca_ns_base_component_2_0_0_t mca_ns_base_component_2_0_0_t;
|
|
typedef mca_ns_base_component_2_0_0_t mca_ns_base_component_t;
|
|
|
|
|
|
|
|
/*
|
|
* Macro for use in components that are of type ns v2.0.0
|
|
*/
|
|
#define MCA_NS_BASE_VERSION_2_0_0 \
|
|
/* ns v2.0 is chained to MCA v1.0 */ \
|
|
MCA_BASE_VERSION_1_0_0, \
|
|
/* ns v2.0 */ \
|
|
"ns", 2, 0, 0
|
|
|
|
/* Global structure for accessing name server functions
|
|
*/
|
|
ORTE_DECLSPEC extern mca_ns_base_module_t orte_ns; /* holds selected module's function pointers */
|
|
|
|
#if defined(c_plusplus) || defined(__cplusplus)
|
|
}
|
|
#endif
|
|
|
|
#endif
|