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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
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/*
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*
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* Copyright (C) 1997 University of Chicago.
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* See COPYRIGHT notice in top-level directory.
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*/
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#include "mpioimpl.h"
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#ifdef HAVE_WEAK_SYMBOLS
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#if defined(HAVE_PRAGMA_WEAK)
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#pragma weak MPI_File_close = PMPI_File_close
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#elif defined(HAVE_PRAGMA_HP_SEC_DEF)
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#pragma _HP_SECONDARY_DEF PMPI_File_close MPI_File_close
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#elif defined(HAVE_PRAGMA_CRI_DUP)
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#pragma _CRI duplicate MPI_File_close as PMPI_File_close
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/* end of weak pragmas */
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#elif defined(HAVE_WEAK_ATTRIBUTE)
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int MPI_File_close(MPI_File * fh) __attribute__ ((weak, alias("PMPI_File_close")));
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#endif
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/* Include mapping from MPI->PMPI */
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#define MPIO_BUILD_PROFILING
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#include "mpioprof.h"
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#endif
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/*@
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MPI_File_close - Closes a file
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Input Parameters:
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. fh - file handle (handle)
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.N fortran
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@*/
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int MPI_File_close(MPI_File * fh)
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{
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int error_code;
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ADIO_File adio_fh;
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static char myname[] = "MPI_FILE_CLOSE";
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#ifdef MPI_hpux
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int fl_xmpi;
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HPMP_IO_WSTART(fl_xmpi, BLKMPIFILECLOSE, TRDTBLOCK, *adio_fh);
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#endif /* MPI_hpux */
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ROMIO_THREAD_CS_ENTER();
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adio_fh = MPIO_File_resolve(*fh);
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/* --BEGIN ERROR HANDLING-- */
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MPIO_CHECK_FILE_HANDLE(adio_fh, myname, error_code);
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/* --END ERROR HANDLING-- */
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if (ADIO_Feature(adio_fh, ADIO_SHARED_FP)) {
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ADIOI_Free((adio_fh)->shared_fp_fname);
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/* POSIX semantics say a deleted file remains available until all
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* processes close the file. But since when was NFS posix-compliant?
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*/
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/* this used to be gated by the lack of the UNLINK_AFTER_CLOSE feature,
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* but a race condition in GPFS necessated this. See ticket #2214 */
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MPI_Barrier((adio_fh)->comm);
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if ((adio_fh)->shared_fp_fd != ADIO_FILE_NULL) {
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MPI_File *fh_shared = &(adio_fh->shared_fp_fd);
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ADIO_Close((adio_fh)->shared_fp_fd, &error_code);
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MPIO_File_free(fh_shared);
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/* --BEGIN ERROR HANDLING-- */
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if (error_code != MPI_SUCCESS)
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goto fn_fail;
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/* --END ERROR HANDLING-- */
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}
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}
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/* Because ROMIO expects the MPI library to provide error handler management
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* routines but it doesn't ever participate in MPI_File_close, we have to
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* somehow inform the MPI library that we no longer hold a reference to any
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* user defined error handler. We do this by setting the errhandler at this
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* point to MPI_ERRORS_RETURN. */
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error_code = PMPI_File_set_errhandler(*fh, MPI_ERRORS_RETURN);
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if (error_code != MPI_SUCCESS)
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goto fn_fail;
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ADIO_Close(adio_fh, &error_code);
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MPIO_File_free(fh);
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/* --BEGIN ERROR HANDLING-- */
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if (error_code != MPI_SUCCESS)
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goto fn_fail;
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/* --END ERROR HANDLING-- */
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#ifdef MPI_hpux
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HPMP_IO_WEND(fl_xmpi);
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#endif /* MPI_hpux */
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fn_exit:
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ROMIO_THREAD_CS_EXIT();
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return error_code;
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fn_fail:
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/* --BEGIN ERROR HANDLING-- */
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error_code = MPIO_Err_return_file(adio_fh, error_code);
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goto fn_exit;
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/* --END ERROR HANDLING-- */
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}
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