3b4073e32c
* Extension to the ESS framework to support C/R
* Fixed support for {{{snapc_base_establish_global_snapshot_dir}}}
* Fixed FileM support
* Misc. minor code modifications
There are some outstanding visability issues that I want to fix next.
This commit was SVN r17725.
132 строки
4.5 KiB
C
132 строки
4.5 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 (c) 2007 Evergrid, Inc. All rights reserved.
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*
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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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#ifndef OPAL_CRS_BASE_H
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#define OPAL_CRS_BASE_H
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#include "opal_config.h"
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#include "opal/mca/crs/crs.h"
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#include "opal/util/opal_environ.h"
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/*
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* Global functions for MCA overall CRS
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*/
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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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* Initialize the CRS MCA framework
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*
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* @retval OPAL_SUCCESS Upon success
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* @retval OPAL_ERROR Upon failures
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*
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* This function is invoked during opal_init();
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*/
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OPAL_DECLSPEC int opal_crs_base_open(void);
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/**
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* Select an available component.
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*
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* @retval OPAL_SUCCESS Upon Success
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* @retval OPAL_NOT_FOUND If no component can be selected
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* @retval OPAL_ERROR Upon other failure
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*
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*/
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OPAL_DECLSPEC int opal_crs_base_select(void);
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/**
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* Finalize the CRS MCA framework
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*
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* @retval OPAL_SUCCESS Upon success
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* @retval OPAL_ERROR Upon failures
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*
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* This function is invoked during opal_finalize();
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*/
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OPAL_DECLSPEC int opal_crs_base_close(void);
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/**
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* Globals
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*/
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#define opal_crs_base_metadata_filename (strdup("snapshot_meta.data"))
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OPAL_DECLSPEC extern int opal_crs_base_output;
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OPAL_DECLSPEC extern opal_list_t opal_crs_base_components_available;
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OPAL_DECLSPEC extern opal_crs_base_component_t opal_crs_base_selected_component;
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OPAL_DECLSPEC extern opal_crs_base_module_t opal_crs;
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OPAL_DECLSPEC extern char * opal_crs_base_snapshot_dir;
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/**
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* 'None' component functions
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* These are to be used when no component is selected.
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* They just return success, and empty strings as necessary.
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*/
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int opal_crs_base_none_open(void);
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int opal_crs_base_none_close(void);
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int opal_crs_base_none_module_init(void);
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int opal_crs_base_none_module_finalize(void);
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int opal_crs_base_none_checkpoint( pid_t pid, opal_crs_base_snapshot_t *sanpshot, opal_crs_state_type_t *state);
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int opal_crs_base_none_restart( opal_crs_base_snapshot_t *snapshot, bool spawn_child, pid_t *child_pid);
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int opal_crs_base_none_disable_checkpoint(void);
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int opal_crs_base_none_enable_checkpoint(void);
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OPAL_DECLSPEC int opal_crs_base_none_prelaunch(int32_t rank,
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char *base_snapshot_dir,
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char **app,
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char **cwd,
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char ***argv,
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char ***env);
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OPAL_DECLSPEC int opal_crs_base_none_reg_thread(void);
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/**
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* Some utility functions
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*/
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OPAL_DECLSPEC char * opal_crs_base_state_str(opal_crs_state_type_t state);
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OPAL_DECLSPEC char * opal_crs_base_unique_snapshot_name(pid_t pid);
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OPAL_DECLSPEC char * opal_crs_base_extract_expected_component(char *snapshot_loc, int *prev_pid);
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int opal_crs_base_init_snapshot_directory(opal_crs_base_snapshot_t *snapshot);
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OPAL_DECLSPEC char * opal_crs_base_get_snapshot_directory(char *uniq_snapshot_name);
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/* Opens the metadata file and places all the base information in the file.
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* Options:
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* 'w' = Open for writing
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* 'a' = Open for writing and appending information
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*/
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FILE *opal_crs_base_open_metadata(opal_crs_base_snapshot_t *snapshot, char mode );
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/* Open the metadata file, read off the base information and
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* return the component and previous pid to the caller.
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* Note: component is allocated inside this function, it is the
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* callers responsibility to free this memory.
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*/
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FILE * opal_crs_base_open_read_metadata(char *location, char **component, int *prev_pid);
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#if defined(c_plusplus) || defined(__cplusplus)
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}
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#endif
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#endif /* OPAL_CRS_BASE_H */
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