113 строки
3.3 KiB
C
113 строки
3.3 KiB
C
/*
|
|
* 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) 2006 Cisco Systems, Inc. All rights reserved.
|
|
* Copyright (c) 2007 Los Alamos National Security, LLC. All rights
|
|
* reserved.
|
|
* $COPYRIGHT$
|
|
*
|
|
* Additional copyrights may follow
|
|
*
|
|
* $HEADER$
|
|
*/
|
|
|
|
/**
|
|
* @file
|
|
*
|
|
* Interface into the MPI portion of the Open MPI Run Time Environment
|
|
*/
|
|
|
|
#ifndef OMPI_MPI_MPIRUNTIME_H
|
|
#define OMPI_MPI_MPIRUNTIME_H
|
|
|
|
#include "ompi_config.h"
|
|
|
|
BEGIN_C_DECLS
|
|
|
|
/** forward type declaration */
|
|
struct ompi_communicator_t;
|
|
/** forward type declaration */
|
|
struct opal_thread_t;
|
|
|
|
/* Global variables and symbols for the MPI layer */
|
|
|
|
/** Is mpi initialized? */
|
|
OMPI_DECLSPEC extern bool ompi_mpi_initialized;
|
|
/** Has mpi been finalized? */
|
|
OMPI_DECLSPEC extern bool ompi_mpi_finalized;
|
|
|
|
/** Do we have multiple threads? */
|
|
OMPI_DECLSPEC extern bool ompi_mpi_thread_multiple;
|
|
/** Thread level requested to \c MPI_Init_thread() */
|
|
OMPI_DECLSPEC extern int ompi_mpi_thread_requested;
|
|
/** Thread level provided by Open MPI */
|
|
OMPI_DECLSPEC extern int ompi_mpi_thread_provided;
|
|
/** Identifier of the main thread */
|
|
OMPI_DECLSPEC extern struct opal_thread_t *ompi_mpi_main_thread;
|
|
|
|
/** Did we setup maffinity in MPI_INIT (and therefore need to shut
|
|
it down during MPI_FINALIZE)? */
|
|
OMPI_DECLSPEC extern bool ompi_mpi_maffinity_setup;
|
|
|
|
|
|
/**
|
|
* Initialize the Open MPI MPI environment
|
|
*
|
|
* @param argc argc, typically from main() (IN)
|
|
* @param argv argv, typically from main() (IN)
|
|
* @param requested Thread support that is requested (IN)
|
|
* @param provided Thread support that is provided (OUT)
|
|
*
|
|
* @returns MPI_SUCCESS if successful
|
|
* @returns Error code if unsuccessful
|
|
*
|
|
* Intialize all support code needed for MPI applications. This
|
|
* function should only be called by MPI applications (including
|
|
* singletons). If this function is called, ompi_init() and
|
|
* ompi_rte_init() should *not* be called.
|
|
*
|
|
* It is permissable to pass in (0, NULL) for (argc, argv).
|
|
*/
|
|
int ompi_mpi_init(int argc, char **argv, int requested, int *provided);
|
|
|
|
/**
|
|
* Finalize the Open MPI MPI environment
|
|
*
|
|
* @returns MPI_SUCCESS if successful
|
|
* @returns Error code if unsuccessful
|
|
*
|
|
* Should be called after all MPI functionality is complete (usually
|
|
* during MPI_FINALIZE).
|
|
*/
|
|
int ompi_mpi_finalize(void);
|
|
|
|
/**
|
|
* Abort the processes of comm
|
|
*/
|
|
int ompi_mpi_abort(struct ompi_communicator_t* comm,
|
|
int errcode, bool kill_remote_of_intercomm);
|
|
|
|
/**
|
|
* Wait for a TotalView-like debugger if asked.
|
|
*/
|
|
void ompi_mpi_wait_for_totalview(void);
|
|
|
|
/**
|
|
* Do a preconnect of MPI connections (i.e., force connections to
|
|
* be made if they will be made).
|
|
*/
|
|
int ompi_init_preconnect_oob(void);
|
|
int ompi_init_preconnect_mpi(void);
|
|
|
|
END_C_DECLS
|
|
|
|
#endif /* OMPI_MPI_MPIRUNTIME_H */
|