2016-11-22 15:03:20 -08:00
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/*
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* Copyright (c) 2012-2013 Los Alamos National Security, LLC.
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* All rights reserved.
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* Copyright (c) 2013-2015 Intel, Inc. All rights reserved
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* Copyright (c) 2014 Cisco Systems, Inc. All rights reserved.
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* Copyright (c) 2014-2016 Research Organization for Information Science
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* and Technology (RIST). All rights reserved.
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* Copyright (c) 2015 Intel, Inc. All rights reserved.
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fixes for Dave's get/set info code
The expected sequence of events for processing info during object creation
is that if there's an incoming info arg, it is opal_info_dup()ed into the obj
at obj->s_info first. Then interested components register callbacks for
keys they want to know about using opal_infosubscribe_infosubscribe().
Inside info_subscribe_subscribe() the specified callback() is called with
whatever matching k/v is in the object's info, or with the default. The
return string from the callback goes into the new k/v stored in info, and
the input k/v is saved as __IN_<key>/<val>. It's saved the same way
whether the input came from info or whether it was a default. A null return
from the callback indicates an ignored key/val, and no k/v is stored for
it, but an __IN_<key>/<val> is still kept so we still have access to the
original.
At MPI_*_set_info() time, opal_infosubscribe_change_info() is used. That
function calls the registered callbacks for each item in the provided info.
If the callback returns non-null, the info is updated with that k/v, or if
the callback returns null, that key is deleted from info. An __IN_<key>/<val>
is saved either way, and overwrites any previously saved value.
When MPI_*_get_info() is called, opal_info_dup_mpistandard() is used, which
allows relatively easy changes in interpretation of the standard, by looking
at both the <key>/<val> and __IN_<key>/<val> in info. Right now it does
1. includes system extras, eg k/v defaults not expliclty set by the user
2. omits ignored keys
3. shows input values, not callback modifications, eg not the internal values
Currently the callbacks are doing things like
return some_condition ? "true" : "false"
that is, returning static strings that are not to be freed. If the return
strings start becoming more dynamic in the future I don't see how unallocated
strings could support that, so I'd propose a change for the future that
the callback()s registered with info_subscribe_subscribe() do a strdup on
their return, and we change the callers of callback() to free the strings
it returns (there are only two callers).
Rough outline of the smaller changes spread over the less central files:
comm.c
initialize comm->super.s_info to NULL
copy into comm->super.s_info in comm creation calls that provide info
OBJ_RELEASE comm->super.s_info at free time
comm_init.c
initialize comm->super.s_info to NULL
file.c
copy into file->super.s_info if file creation provides info
OBJ_RELEASE file->super.s_info at free time
win.c
copy into win->super.s_info if win creation provides info
OBJ_RELEASE win->super.s_info at free time
comm_get_info.c
file_get_info.c
win_get_info.c
change_info() if there's no info attached (shouldn't happen if callbacks
are registered)
copy the info for the user
The other category of change is generally addressing compiler warnings where
ompi_info_t and opal_info_t were being used a little too interchangably. An
ompi_info_t* contains an opal_info_t*, at &(ompi_info->super)
Also this commit updates the copyrights.
Signed-off-by: Mark Allen <markalle@us.ibm.com>
2017-01-30 20:29:50 -05:00
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* Copyright (c) 2016-2017 IBM Corporation. All rights reserved.
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2016-11-22 15:03:20 -08:00
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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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* When this component is used, this file is included in the rest of
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* the OPAL/ORTE/OMPI code base via ompi/mca/rte/rte.h. As such,
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* this header represents the public interface to this static component.
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*/
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#ifndef MCA_OMPI_RTE_ORTE_H
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#define MCA_OMPI_RTE_ORTE_H
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#include "ompi_config.h"
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#include "ompi/constants.h"
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struct opal_proc_t;
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#include "opal/threads/threads.h"
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#include "orte/types.h"
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#include "orte/mca/errmgr/errmgr.h"
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#include "orte/mca/rml/base/rml_contact.h"
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#include "orte/mca/rml/rml.h"
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#include "orte/mca/routed/routed.h"
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#include "orte/runtime/orte_data_server.h"
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#include "orte/runtime/runtime.h"
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#include "orte/util/name_fns.h"
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#include "orte/util/proc_info.h"
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struct ompi_proc_t;
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struct ompi_communicator_t;
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BEGIN_C_DECLS
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/* Process name objects and operations */
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typedef orte_process_name_t ompi_process_name_t;
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typedef orte_jobid_t ompi_jobid_t;
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typedef orte_vpid_t ompi_vpid_t;
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typedef orte_ns_cmp_bitmask_t ompi_rte_cmp_bitmask_t;
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#define OMPI_PROC_MY_NAME ORTE_PROC_MY_NAME
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#define OMPI_NAME_PRINT(a) ORTE_NAME_PRINT((const orte_process_name_t*)a)
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#define ompi_rte_compare_name_fields(a, b, c) orte_util_compare_name_fields(a, (const orte_process_name_t*)(b), (const orte_process_name_t*)(c))
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#define ompi_rte_convert_string_to_process_name(a,b) orte_util_convert_string_to_process_name(a,b)
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#define ompi_rte_convert_process_name_to_string(a,b) orte_util_convert_process_name_to_string(a,b)
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#define OMPI_NAME_WILDCARD ORTE_NAME_WILDCARD
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#define OMPI_NODE_RANK_INVALID ORTE_NODE_RANK_INVALID
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#define OMPI_LOCAL_RANK_INVALID ORTE_LOCAL_RANK_INVALID
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#define OMPI_RTE_CMP_JOBID ORTE_NS_CMP_JOBID
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#define OMPI_RTE_CMP_VPID ORTE_NS_CMP_VPID
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#define OMPI_RTE_CMP_ALL ORTE_NS_CMP_ALL
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#define OMPI_LOCAL_JOBID(jobid) ORTE_LOCAL_JOBID(jobid)
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#define OMPI_JOB_FAMILY(jobid) ORTE_JOB_FAMILY(jobid)
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#define OMPI_CONSTRUCT_JOBID(family,local) ORTE_CONSTRUCT_JOBID(family,local)
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/* This is the DSS tag to serialize a proc name */
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#define OMPI_NAME ORTE_NAME
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#define OMPI_PROCESS_NAME_HTON ORTE_PROCESS_NAME_HTON
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#define OMPI_PROCESS_NAME_NTOH ORTE_PROCESS_NAME_NTOH
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#define OMPI_RTE_MY_NODEID ORTE_PROC_MY_DAEMON->vpid
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/* database keys */
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#define OMPI_RTE_NODE_ID ORTE_DB_DAEMON_VPID
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#define OMPI_RTE_HOST_ID ORTE_DB_HOSTID
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#if OPAL_ENABLE_DEBUG
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static inline orte_process_name_t * OMPI_CAST_RTE_NAME(opal_process_name_t * name);
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#else
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#define OMPI_CAST_RTE_NAME(a) ((orte_process_name_t*)(a))
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#endif
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/* Process info struct and values */
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typedef orte_node_rank_t ompi_node_rank_t;
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typedef orte_local_rank_t ompi_local_rank_t;
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#define ompi_process_info orte_process_info
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#define ompi_rte_proc_is_bound orte_proc_is_bound
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/* Error handling objects and operations */
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OMPI_DECLSPEC void __opal_attribute_noreturn__
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ompi_rte_abort(int error_code, char *fmt, ...);
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#define ompi_rte_abort_peers(a, b, c) orte_errmgr.abort_peers(a, b, c)
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#define OMPI_ERROR_LOG ORTE_ERROR_LOG
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/* Init and finalize objects and operations */
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#define ompi_rte_init(a, b) orte_init(a, b, ORTE_PROC_MPI)
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#define ompi_rte_finalize() orte_finalize()
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OMPI_DECLSPEC void ompi_rte_wait_for_debugger(void);
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typedef struct {
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ompi_rte_component_t super;
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opal_mutex_t lock;
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opal_list_t modx_reqs;
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} ompi_rte_orte_component_t;
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typedef struct {
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opal_list_item_t super;
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opal_mutex_t lock;
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opal_condition_t cond;
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bool active;
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orte_process_name_t peer;
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} ompi_orte_tracker_t;
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OBJ_CLASS_DECLARATION(ompi_orte_tracker_t);
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#if OPAL_ENABLE_DEBUG
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static inline orte_process_name_t * OMPI_CAST_RTE_NAME(opal_process_name_t * name) {
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return (orte_process_name_t *)name;
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}
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#endif
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END_C_DECLS
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#endif /* MCA_OMPI_RTE_ORTE_H */
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