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/*
* Copyright (C) by Argonne National Laboratory
* See COPYRIGHT in top-level directory
*/
#include "mpioimpl.h"
#ifdef HAVE_WEAK_SYMBOLS
#if defined(HAVE_PRAGMA_WEAK)
#pragma weak MPI_File_close = PMPI_File_close
#elif defined(HAVE_PRAGMA_HP_SEC_DEF)
#pragma _HP_SECONDARY_DEF PMPI_File_close MPI_File_close
#elif defined(HAVE_PRAGMA_CRI_DUP)
#pragma _CRI duplicate MPI_File_close as PMPI_File_close
/* end of weak pragmas */
#elif defined(HAVE_WEAK_ATTRIBUTE)
int MPI_File_close(MPI_File * fh) __attribute__ ((weak, alias("PMPI_File_close")));
#endif
/* Include mapping from MPI->PMPI */
#define MPIO_BUILD_PROFILING
#include "mpioprof.h"
#endif
/*@
MPI_File_close - Closes a file
Input Parameters:
. fh - file handle (handle)
.N fortran
@*/
int MPI_File_close(MPI_File * fh)
{
int error_code;
ADIO_File adio_fh;
static char myname[] = "MPI_FILE_CLOSE";
#ifdef MPI_hpux
int fl_xmpi;
HPMP_IO_WSTART(fl_xmpi, BLKMPIFILECLOSE, TRDTBLOCK, *adio_fh);
#endif /* MPI_hpux */
ROMIO_THREAD_CS_ENTER();
adio_fh = MPIO_File_resolve(*fh);
/* --BEGIN ERROR HANDLING-- */
MPIO_CHECK_FILE_HANDLE(adio_fh, myname, error_code);
/* --END ERROR HANDLING-- */
if (ADIO_Feature(adio_fh, ADIO_SHARED_FP)) {
ADIOI_Free((adio_fh)->shared_fp_fname);
/* POSIX semantics say a deleted file remains available until all
* processes close the file. But since when was NFS posix-compliant?
*/
/* this used to be gated by the lack of the UNLINK_AFTER_CLOSE feature,
* but a race condition in GPFS necessated this. See ticket #2214 */
MPI_Barrier((adio_fh)->comm);
if ((adio_fh)->shared_fp_fd != ADIO_FILE_NULL) {
MPI_File *fh_shared = &(adio_fh->shared_fp_fd);
ADIO_Close((adio_fh)->shared_fp_fd, &error_code);
MPIO_File_free(fh_shared);
/* --BEGIN ERROR HANDLING-- */
if (error_code != MPI_SUCCESS)
goto fn_fail;
/* --END ERROR HANDLING-- */
}
}
/* Because ROMIO expects the MPI library to provide error handler management
* routines but it doesn't ever participate in MPI_File_close, we have to
* somehow inform the MPI library that we no longer hold a reference to any
* user defined error handler. We do this by setting the errhandler at this
* point to MPI_ERRORS_RETURN. */
/* Open MPI: The call to PMPI_File_set_errhandler has to be done in romio/src/io_romio_file_open.c
* in routine mca_io_romio_file_close()
*/
#if 0
error_code = PMPI_File_set_errhandler(*fh, MPI_ERRORS_RETURN);
if (error_code != MPI_SUCCESS)
goto fn_fail;
#endif
ADIO_Close(adio_fh, &error_code);
MPIO_File_free(fh);
/* --BEGIN ERROR HANDLING-- */
if (error_code != MPI_SUCCESS)
goto fn_fail;
/* --END ERROR HANDLING-- */
#ifdef MPI_hpux
HPMP_IO_WEND(fl_xmpi);
#endif /* MPI_hpux */
fn_exit:
ROMIO_THREAD_CS_EXIT();
return error_code;
fn_fail:
/* --BEGIN ERROR HANDLING-- */
error_code = MPIO_Err_return_file(adio_fh, error_code);
goto fn_exit;
/* --END ERROR HANDLING-- */
}
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