106 строки
3.0 KiB
C
106 строки
3.0 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
|
|
/*
|
|
*
|
|
* Copyright (C) 1997 University of Chicago.
|
|
* See COPYRIGHT notice 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 */
|
|
|
|
MPIU_THREAD_CS_ENTER(ALLFUNC,);
|
|
|
|
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:
|
|
MPIU_THREAD_CS_EXIT(ALLFUNC,);
|
|
return error_code;
|
|
fn_fail:
|
|
/* --BEGIN ERROR HANDLING-- */
|
|
error_code = MPIO_Err_return_file(adio_fh, error_code);
|
|
goto fn_exit;
|
|
/* --END ERROR HANDLING-- */
|
|
}
|