1. David Young
  2. vchoi_fork

Source

Raw file
Source viewDiff to previous
    H5F_file_t  *uncloseable_head = NULL; /* Head of linked list of files found to be uncloseable by the first pass */
 
1
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
2
 * Copyright by The HDF Group.                                               *
3
 * Copyright by the Board of Trustees of the University of Illinois.         *
4
 * All rights reserved.                                                      *
5
 *                                                                           *
6
 * This file is part of HDF5.  The full HDF5 copyright notice, including     *
7
 * terms governing use, modification, and redistribution, is contained in    *
8
 * the files COPYING and Copyright.html.  COPYING can be found at the root   *
9
 * of the source code distribution tree; Copyright.html can be found at the  *
10
 * root level of an installed copy of the electronic HDF5 document set and   *
11
 * is linked from the top-level documents page.  It can also be found at     *
12
 * http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have          *
13
 * access to either file, you may request a copy from help@hdfgroup.org.     *
14
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
15
​
16
/*-------------------------------------------------------------------------
17
 *
18
 * Created:             H5Defc.c
19
 *                      December 13, 2010
20
 *                      Neil Fortner <nfortne2@hdfgroup.org>
21
 *
22
 * Purpose:             External file caching routines - implements a
23
 *                      cache of external files to minimize the number of
24
 *                      file opens and closes.
25
 *
26
 *-------------------------------------------------------------------------
27
 */
28
​
29
#define H5F_PACKAGE             /*suppress error about including H5Fpkg   */
30
​
31
​
32
/* Packages needed by this file... */
33
#include "H5private.h"          /* Generic Functions                    */
34
#include "H5Eprivate.h"         /* Error handling                       */
35
#include "H5Fpkg.h"             /* File access                          */
36
#include "H5MMprivate.h"        /* Memory management                    */
37
#include "H5Pprivate.h"         /* Property lists                       */
38
​
39
/* Special values for the "tag" field below */
40
#define H5F_EFC_TAG_DEFAULT     -1
41
#define H5F_EFC_TAG_LOCK        -2
42
#define H5F_EFC_TAG_CLOSE       -3
43
#define H5F_EFC_TAG_DONTCLOSE   -4
44
​
45
/* Structure for each entry in a file's external file cache */
46
typedef struct H5F_efc_ent_t {
47
    char                *name;          /* Name of the file */
48
    H5F_t               *file;          /* File object */
49
    struct H5F_efc_ent_t *LRU_next;     /* Next item in LRU list */
50
    struct H5F_efc_ent_t *LRU_prev;     /* Previous item in LRU list */
51
    unsigned            nopen;          /* Number of times this file is currently opened by an EFC client */