126 строки
4.4 KiB
C
126 строки
4.4 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) 2004-2009 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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#include "ompi_config.h"
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#include <stdio.h>
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#include "ompi/mpi/c/bindings.h"
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#include "ompi/runtime/params.h"
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#include "ompi/communicator/communicator.h"
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#include "ompi/errhandler/errhandler.h"
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#if OPAL_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
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#pragma weak MPI_Get_library_version = PMPI_Get_library_version
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#endif
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#if OMPI_PROFILING_DEFINES
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#include "ompi/mpi/c/profile/defines.h"
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#endif
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static const char FUNC_NAME[] = "MPI_get_library_version";
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int MPI_Get_library_version(char *version, int *resultlen)
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{
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int len_left;
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MPI_Comm null = MPI_COMM_NULL;
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char *ptr, tmp[MPI_MAX_LIBRARY_VERSION_STRING];
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OPAL_CR_NOOP_PROGRESS();
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if (MPI_PARAM_CHECK) {
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/* Per MPI-3, this function can be invoked before
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MPI_INIT, so we don't invoke the normal
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MPI_ERR_INIT_FINALIZE() macro here */
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if (NULL == version || NULL == resultlen) {
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/* Note that we have to check and see if we have
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previously called MPI_INIT or not. If so, use the
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normal OMPI_ERRHANDLER_INVOKE, because the user may
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have changed the default errhandler on MPI_COMM_WORLD.
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If we have not invoked MPI_INIT, then just abort
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(i.e., use a NULL communicator, which will end up at the
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default errhandler, which is abort). */
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if (ompi_mpi_initialized && !ompi_mpi_finalized) {
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
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FUNC_NAME);
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} else {
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return OMPI_ERRHANDLER_INVOKE(null, MPI_ERR_ARG,
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FUNC_NAME);
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}
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}
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}
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/* First write to a tmp variable so that we can write to *all* the
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chars (MPI-3 says that we can only write resultlen chars to the
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output string) */
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ptr = tmp;
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len_left = sizeof(tmp);
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memset(tmp, 0, MPI_MAX_LIBRARY_VERSION_STRING);
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snprintf(tmp, MPI_MAX_LIBRARY_VERSION_STRING, "Open MPI v%d.%d",
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OMPI_MAJOR_VERSION, OMPI_MINOR_VERSION);
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ptr += strlen(tmp);
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len_left -= strlen(tmp);
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if (OMPI_RELEASE_VERSION > 0) {
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snprintf(ptr, len_left, ".%d", OMPI_RELEASE_VERSION);
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ptr = tmp + strlen(tmp);
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len_left = MPI_MAX_LIBRARY_VERSION_STRING - strlen(tmp);
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}
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if (NULL != OMPI_GREEK_VERSION && strlen(OMPI_GREEK_VERSION) > 0) {
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snprintf(ptr, len_left, "%s", OMPI_GREEK_VERSION);
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ptr = tmp + strlen(tmp);
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len_left = MPI_MAX_LIBRARY_VERSION_STRING - strlen(tmp);
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}
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/* Package name */
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if (NULL != OPAL_PACKAGE_STRING && strlen(OPAL_PACKAGE_STRING) > 0) {
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snprintf(ptr, len_left, ", package: %s", OPAL_PACKAGE_STRING);
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ptr = tmp + strlen(tmp);
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len_left = MPI_MAX_LIBRARY_VERSION_STRING - strlen(tmp);
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}
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/* Ident string */
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if (NULL != OMPI_IDENT_STRING && strlen(OMPI_IDENT_STRING) > 0) {
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snprintf(ptr, len_left, ", ident: %s", OMPI_IDENT_STRING);
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ptr = tmp + strlen(tmp);
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len_left = MPI_MAX_LIBRARY_VERSION_STRING - strlen(tmp);
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}
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/* Repository revision */
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if (OMPI_WANT_REPO_REV &&
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NULL != OMPI_REPO_REV && strlen(OMPI_REPO_REV) > 0) {
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snprintf(ptr, len_left, ", repo rev: %s", OMPI_REPO_REV);
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ptr = tmp + strlen(tmp);
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len_left = MPI_MAX_LIBRARY_VERSION_STRING - strlen(tmp);
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}
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/* Release date */
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if (NULL != OMPI_RELEASE_DATE && strlen(OMPI_RELEASE_DATE) > 0) {
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snprintf(ptr, len_left, ", %s", OMPI_RELEASE_DATE);
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ptr = tmp + strlen(tmp);
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len_left = MPI_MAX_LIBRARY_VERSION_STRING - strlen(tmp);
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}
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memcpy(version, tmp, strlen(tmp) + 1);
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*resultlen = strlen(tmp) + 1;
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return MPI_SUCCESS;
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}
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