175 строки
6.0 KiB
C
175 строки
6.0 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2005 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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/**
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* @file
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*
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* Interface into the Open MPI Run Time Environment
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*/
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#ifndef ORTE_RUNTIME_H
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#define ORTE_RUNTIME_H
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#include "orte_config.h"
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#include "mca/gpr/gpr_types.h"
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#include "opal/util/cmd_line.h"
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#include "runtime/runtime_types.h"
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#include "util/univ_info.h"
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#include "mca/ns/ns.h"
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/* constants for spawn constraints */
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/** Spawn constraint - require multi-cell support. The selected spawn
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system must be capable of starting across multiple cells. This
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allows multiple pcms to be used to satisfy a single resource
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allocation request */
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#define OMPI_RTE_SPAWN_MULTI_CELL 0x0001
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/** Spawn constraint - require ability to launch daemons. The
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selected spawn system must be capable of starting daemon process.
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Setting this flag will result in a spawn service that does not
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neccessarily provide process monitoring or standard I/O
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forwarding. The calling process may exit before all children have
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exited. */
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#define OMPI_RTE_SPAWN_DAEMON 0x0002
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/** Spawn constraint - require quality of service support. The
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selected spawn system must provide I/O forwarding, quick process
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shutdown, and process status monitoring. */
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#define OMPI_RTE_SPAWN_HIGH_QOS 0x0004
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/** Spawn constraint - caller is an MPI process. The caller is an MPI
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application (has called MPI_Init). This should be used only for
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MPI_COMM_SPAWN and MPI_COMM_SPAWN_MULTIPLE. The calling process
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will follow the semantics of the MPI_COMM_SPAWN_* functions. */
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#define OMPI_RTE_SPAWN_FROM_MPI 0x0008
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/** Spawn constraint - require ability to launch either MPMD (hence
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the name) applications or applications with specific placement of
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processes. */
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#define OMPI_RTE_SPAWN_MPMD 0x0010
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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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/* globals used by RTE - instanced in orte_init.c */
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OMPI_DECLSPEC extern int orte_debug_flag;
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/**
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* Abort the current application with a pretty-print error message
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*
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* Aborts currently running application with \code abort(), pretty
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* printing an error message if possible. Error message should be
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* specified using the standard \code printf() format.
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*/
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OMPI_DECLSPEC int orte_abort(int status, char *fmt, ...);
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/**
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* Initialize the Open Run Time Environment
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*
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* Initlize the Open Run Time Environment, including process
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* control, malloc debugging and threads, and out of band messaging.
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* This function should be called exactly once. This function should
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* be called by every application using the RTE interface, including
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* MPI applications and mpirun.
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*
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* @param infrastructure Whether we are ORTE infrastructure or an ORTE
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* application
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*/
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OMPI_DECLSPEC int orte_init(bool infrastructure);
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OMPI_DECLSPEC int orte_system_init(bool infrastructure);
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OMPI_DECLSPEC int orte_init_stage1(bool infrastructure);
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OMPI_DECLSPEC int orte_init_stage2(void);
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/**
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* Initialize parameters for ORTE.
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*
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* @retval ORTE_SUCCESS Upon success.
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* @retval ORTE_ERROR Upon failure.
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*/
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OMPI_DECLSPEC int orte_register_params(bool infrastructure);
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/**
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* Re-init the Open run time environment.
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*
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* Restart selected components with a new process name.
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*/
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OMPI_DECLSPEC int orte_restart(orte_process_name_t* name, const char* uri);
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/**
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* Finalize the Open run time environment. Any function calling \code
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* orte_init should call \code orte_finalize.
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*
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*/
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OMPI_DECLSPEC int orte_finalize(void);
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OMPI_DECLSPEC int orte_system_finalize(void);
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/*
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* Change state as processes complete registration/unregistration
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*/
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OMPI_DECLSPEC void orte_all_procs_registered(orte_gpr_notify_message_t* match, void* cbdata);
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OMPI_DECLSPEC void orte_all_procs_unregistered(orte_gpr_notify_message_t* match, void* cbdata);
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OMPI_DECLSPEC int orte_monitor_procs_registered(void);
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OMPI_DECLSPEC int orte_monitor_procs_unregistered(void);
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/**
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* Check for universe existence
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*
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* Checks to see if a specified universe exists. If so, attempts
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* to connect to verify that the universe is accepting connections.
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* If both ns and gpr replicas provided, first checks for those
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* connections. Gets any missing info from the universe contact.
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*
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* @param univ Pointer to universe info struct where any found info
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* is to be stored
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*
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* @retval OMPI_SUCCESS Universe found and connection accepted
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* @retval OMPI_NO_CONNECTION_ALLOWED Universe found, but not persistent or
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* restricted to local scope
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* @retval OMPI_CONNECTION_FAILED Universe found, but connection attempt
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* failed. Probably caused by unclean termination of the universe seed
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* daemon.
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* @retval OMPI_CONNECTION_REFUSED Universe found and contact made, but
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* universe refused to allow connection.
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*/
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OMPI_DECLSPEC int orte_universe_exists(orte_universe_t *univ);
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/**
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* Setup I/O forwarding.
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*/
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OMPI_DECLSPEC int ompi_rte_init_io(void);
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/**
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* Establish a Head Node Process on a cluster's front end
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*/
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OMPI_DECLSPEC int orte_setup_hnp(char *target_cluster, char *headnode, char *username);
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#if defined(c_plusplus) || defined(__cplusplus)
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}
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#endif
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#endif /* OMPI_RUNTIME_H */
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