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/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2007 Los Alamos National Security, LLC. All rights
* reserved.
* Copyright (c) 2006-2007 Cisco Systems, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#ifndef OMPI_RUNTIME_PARAMS_H
#define OMPI_RUNTIME_PARAMS_H
#if defined(c_plusplus) || defined(__cplusplus)
extern "C" {
#endif
/*
* Global variables
*/
/**
* Whether or not to check the parameters of top-level MPI API
* functions or not.
*
* This variable should never be checked directly; the macro
* MPI_PARAM_CHECK should be used instead. This allows multiple
* levels of MPI function parameter checking:
*
* #- Disable all parameter checking at configure/compile time
* #- Enable all parameter checking at configure/compile time
* #- Disable all parameter checking at run time
* #- Enable all parameter checking at run time
*
* Hence, the MPI_PARAM_CHECK macro will either be "0", "1", or
* "ompi_mpi_param_check".
*/
OMPI_DECLSPEC extern bool ompi_mpi_param_check;
/**
* Whether or not to check for MPI handle leaks during MPI_FINALIZE.
* If enabled, each MPI handle type will display a summary of the
* handles that are still allocated during MPI_FINALIZE.
*
* This is good debugging for user applications to find out if they
* are inadvertantly orphaning MPI handles.
*/
OMPI_DECLSPEC extern bool ompi_debug_show_handle_leaks;
/**
* Whether or not to actually free MPI handles when their
* corresponding destructor is invoked. If enabled, Open MPI will not
* free handles, but will rather simply mark them as "freed". Any
* attempt to use them will result in an MPI exception.
*
* This is good debugging for user applications to find out if they
* are inadvertantly using MPI handles after they have been freed.
*/
OMPI_DECLSPEC extern bool ompi_debug_no_free_handles;
/**
* Whether or not to print MCA parameters on MPI_INIT
*
* This is good debugging for user applications to see exactly which
* MCA parameters are being used in the current program execution.
*/
OMPI_DECLSPEC extern bool ompi_mpi_show_mca_params;
/**
* Whether or not to print the MCA parameters to a file or to stdout
*
* If this argument is set then it is used when parameters are dumped
* when the mpi_show_mca_params is set.
*/
OMPI_DECLSPEC extern char * ompi_mpi_show_mca_params_file;
/**
* If this value is true, assume that this ORTE job is the only job
* running on the nodes that have been allocated to it, and bind
* processes to processors (starting with processor 0).
*/
OMPI_DECLSPEC extern bool ompi_mpi_paffinity_alone;
/**
* Whether we should keep the string hostnames of all the MPI
* process peers around or not (eats up a good bit of memory).
*/
OMPI_DECLSPEC extern bool ompi_mpi_keep_peer_hostnames;
/**
* Whether an MPI_ABORT should print out a stack trace or not.
*/
OMPI_DECLSPEC extern bool ompi_mpi_abort_print_stack;
/**
* Whether we should force all connections to be created during
* MPI_INIT (vs. potentially making all the connection lazily upon
* first communication with an MPI peer process).
*/
OMPI_DECLSPEC extern bool ompi_mpi_preconnect_all;
/**
* should we wireup the oob completely during MPI_INIT?
*/
OMPI_DECLSPEC extern bool ompi_mpi_preconnect_oob;
/**
* Whether MPI_ABORT should print out an identifying message
* (e.g., hostname and PID) and loop waiting for a debugger to
* attach. The value of the integer is how many seconds to wait:
*
* 0 = do not print the message and do not loop
* negative value = print the message and loop forever
* positive value = print the message and delay for that many seconds
*/
OMPI_DECLSPEC extern int ompi_mpi_abort_delay;
/**
* Whether to use the "leave pinned" protocol or not.
*/
OMPI_DECLSPEC extern bool ompi_mpi_leave_pinned;
/**
* Whether to use the "leave pinned pipeline" protocol or not.
*/
OMPI_DECLSPEC extern bool ompi_mpi_leave_pinned_pipeline;
/**
* Do we want a warning if MPI_THREAD_MULTIPLE is used?
*/
OMPI_DECLSPEC extern bool ompi_mpi_warn_if_thread_multiple;
/**
* Do we want a warning if progress threads are used?
*/
OMPI_DECLSPEC extern bool ompi_mpi_warn_if_progress_threads;
/**
* Register MCA parameters used by the MPI layer.
*
* @returns OMPI_SUCCESS
*
* Registers several MCA parameters and initializes corresponding
* global variables to the values obtained from the MCA system.
*/
OMPI_DECLSPEC int ompi_mpi_register_params(void);
/**
* Display all MCA parameters used
*
* @returns OMPI_SUCCESS
*
* Displays in key = value format
*/
int ompi_show_all_mca_params(int32_t, int, char *);
#if defined(c_plusplus) || defined(__cplusplus)
}
#endif
#endif /* OMPI_RUNTIME_PARAMS_H */
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