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[svn-r6500] Purpose:

Browse Source 
New Feature

Description:
    Added function pointers for the lock and unlock functions.

Platforms tested:
    Linux, Modi4, Sol

Misc. update:
This commit is contained in:
Bill Wendling 2003-03-19 18:27:44 -05:00
parent 80cb3b0632
commit 43c2e1bab7
1 changed files with 87 additions and 57 deletions
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144
src/H5FDpublic.h
View File

@ -1,7 +1,18 @@
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the files COPYING and Copyright.html. COPYING can be found at the root *
* of the source code distribution tree; Copyright.html can be found at the *
* root level of an installed copy of the electronic HDF5 document set and *
* is linked from the top-level documents page. It can also be found at *
* http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Copyright © 1999-2001 NCSA
* All rights reserved.
*
* Programmer: Robb Matzke <matzke@llnl.gov>
* Monday, July 26, 1999
*/
@ -31,6 +42,7 @@ typedef enum H5FD_mem_t {
H5FD_MEM_NTYPES /*must be last*/
} H5FD_mem_t;
/*
* A free-list map which maps all types of allocation requests to a single
* free list. This is useful for drivers that don't really care about
@ -125,32 +137,35 @@ typedef struct H5FD_class_t {
haddr_t maxaddr;
H5F_close_degree_t fc_degree;
hsize_t (*sb_size)(H5FD_t *file);
herr_t (*sb_encode)(H5FD_t *file, char *name/*out*/,
unsigned char *p/*out*/);
herr_t (*sb_decode)(H5FD_t *f, const char *name, const unsigned char *p);
size_t fapl_size;
void *(*fapl_get)(H5FD_t *file);
void *(*fapl_copy)(const void *fapl);
herr_t (*fapl_free)(void *fapl);
size_t dxpl_size;
void *(*dxpl_copy)(const void *dxpl);
herr_t (*dxpl_free)(void *dxpl);
herr_t (*sb_encode)(H5FD_t *file, char *name/*out*/,
unsigned char *p/*out*/);
herr_t (*sb_decode)(H5FD_t *f, const char *name, const unsigned char *p);
size_t fapl_size;
void * (*fapl_get)(H5FD_t *file);
void * (*fapl_copy)(const void *fapl);
herr_t (*fapl_free)(void *fapl);
size_t dxpl_size;
void * (*dxpl_copy)(const void *dxpl);
herr_t (*dxpl_free)(void *dxpl);
H5FD_t *(*open)(const char *name, unsigned flags, hid_t fapl,
haddr_t maxaddr);
herr_t (*close)(H5FD_t *file);
int (*cmp)(const H5FD_t *f1, const H5FD_t *f2);
herr_t (*query)(const H5FD_t *f1, unsigned long *flags);
haddr_t maxaddr);
herr_t (*close)(H5FD_t *file);
int (*cmp)(const H5FD_t *f1, const H5FD_t *f2);
herr_t (*query)(const H5FD_t *f1, unsigned long *flags);
haddr_t (*alloc)(H5FD_t *file, H5FD_mem_t type, hid_t dxpl_id, hsize_t size);
herr_t (*free)(H5FD_t *file, H5FD_mem_t type, hid_t dxpl_id, haddr_t addr, hsize_t size);
herr_t (*free)(H5FD_t *file, H5FD_mem_t type, hid_t dxpl_id,
haddr_t addr, hsize_t size);
haddr_t (*get_eoa)(H5FD_t *file);
herr_t (*set_eoa)(H5FD_t *file, haddr_t addr);
herr_t (*set_eoa)(H5FD_t *file, haddr_t addr);
haddr_t (*get_eof)(H5FD_t *file);
herr_t (*get_handle)(H5FD_t *file, hid_t fapl, void**file_handle);
herr_t (*read)(H5FD_t *file, H5FD_mem_t type, hid_t dxpl, haddr_t addr, size_t size,
void *buffer);
herr_t (*write)(H5FD_t *file, H5FD_mem_t type, hid_t dxpl, haddr_t addr, size_t size,
const void *buffer);
herr_t (*flush)(H5FD_t *file, hid_t dxpl_id, unsigned closing);
herr_t (*get_handle)(H5FD_t *file, hid_t fapl, void**file_handle);
herr_t (*read)(H5FD_t *file, H5FD_mem_t type, hid_t dxpl,
haddr_t addr, size_t size, void *buffer);
herr_t (*write)(H5FD_t *file, H5FD_mem_t type, hid_t dxpl,
haddr_t addr, size_t size, const void *buffer);
herr_t (*flush)(H5FD_t *file, hid_t dxpl_id, unsigned closing);
herr_t (*lock)(H5FD_t *file, unsigned char *oid, unsigned lock_type, hbool_t last);
herr_t (*unlock)(H5FD_t *file, unsigned char *oid, hbool_t last);
H5FD_mem_t fl_map[H5FD_MEM_NTYPES];
} H5FD_class_t;
@ -162,38 +177,52 @@ typedef struct H5FD_free_t {
} H5FD_free_t;
/*
* The main datatype for each driver. Public fields common to all drivers are
* declared here and the driver appends private fields in memory.
* The main datatype for each driver. Public fields common to all drivers
* are declared here and the driver appends private fields in memory.
*/
struct H5FD_t {
hid_t driver_id; /*driver ID for this file*/
const H5FD_class_t *cls; /*constant class info */
unsigned long fileno[2]; /* File serial number */
unsigned long feature_flags; /* VFL Driver feature Flags */
hsize_t threshold; /* Threshold for alignment */
hsize_t alignment; /* Allocation alignment */
hid_t driver_id; /*driver ID for this file */
const H5FD_class_t *cls; /*constant class info */
unsigned long fileno[2]; /* File serial number */
unsigned long feature_flags; /* VFL Driver feature Flags */
hsize_t threshold; /* Threshold for alignment */
hsize_t alignment; /* Allocation alignment */
/* Metadata aggregation fields */
hsize_t def_meta_block_size; /* Metadata allocation block size (if aggregating metadata) */
hsize_t cur_meta_block_size; /* Current size of metadata allocation region left */
haddr_t eoma; /*End of metadata allocated region*/
hsize_t def_meta_block_size; /* Metadata allocation
* block size (if
* aggregating metadata) */
hsize_t cur_meta_block_size; /* Current size of metadata
* allocation region left */
haddr_t eoma; /* End of metadata
* allocated region */
/* "Small data" aggregation fields */
hsize_t def_sdata_block_size; /* "Small data" allocation block size (if aggregating "small data") */
hsize_t cur_sdata_block_size; /* Current size of "small data" allocation region left */
haddr_t eosda; /* End of "small data" allocated region */
hsize_t def_sdata_block_size; /* "Small data"
* allocation block size
* (if aggregating "small
* data") */
hsize_t cur_sdata_block_size; /* Current size of "small
* data" allocation
* region left */
haddr_t eosda; /* End of "small data"
* allocated region */
/* Metadata accumulator fields */
unsigned char *meta_accum; /*Buffer to hold the accumulated metadata */
haddr_t accum_loc; /* File location (offset) of the accumulated metadata */
size_t accum_size; /* Size of the accumulated metadata buffer used (in bytes) */
size_t accum_buf_size; /* Size of the accumulated metadata buffer allocated (in bytes) */
unsigned accum_dirty; /* Flag to indicate that the accumulated metadata is dirty */
haddr_t maxaddr;/*for this file, overrides class*/
H5FD_free_t *fl[H5FD_MEM_NTYPES];/*freelist per allocation type*/
hsize_t maxsize;/*largest object on FL, or zero */
unsigned char *meta_accum; /* Buffer to hold the accumulated metadata */
haddr_t accum_loc; /* File location (offset) of the
* accumulated metadata */
size_t accum_size; /* Size of the accumulated
* metadata buffer used (in
* bytes) */
size_t accum_buf_size; /* Size of the accumulated
* metadata buffer allocated (in
* bytes) */
unsigned accum_dirty; /* Flag to indicate that the
* accumulated metadata is dirty */
haddr_t maxaddr; /* For this file, overrides class */
H5FD_free_t *fl[H5FD_MEM_NTYPES]; /* Freelist per allocation type */
hsize_t maxsize; /* Largest object on FL, or zero */
};
#ifdef __cplusplus
@ -204,22 +233,23 @@ extern "C" {
H5_DLL hid_t H5FDregister(const H5FD_class_t *cls);
H5_DLL herr_t H5FDunregister(hid_t driver_id);
H5_DLL H5FD_t *H5FDopen(const char *name, unsigned flags, hid_t fapl_id,
haddr_t maxaddr);
haddr_t maxaddr);
H5_DLL herr_t H5FDclose(H5FD_t *file);
H5_DLL int H5FDcmp(const H5FD_t *f1, const H5FD_t *f2);
H5_DLL int H5FDquery(const H5FD_t *f, unsigned long *flags);
H5_DLL haddr_t H5FDalloc(H5FD_t *file, H5FD_mem_t type, hid_t dxpl_id, hsize_t size);
H5_DLL herr_t H5FDfree(H5FD_t *file, H5FD_mem_t type, hid_t dxpl_id, haddr_t addr, hsize_t size);
H5_DLL haddr_t H5FDrealloc(H5FD_t *file, H5FD_mem_t type, hid_t dxpl_id, haddr_t addr,
hsize_t old_size, hsize_t new_size);
H5_DLL herr_t H5FDfree(H5FD_t *file, H5FD_mem_t type, hid_t dxpl_id,
haddr_t addr, hsize_t size);
H5_DLL haddr_t H5FDrealloc(H5FD_t *file, H5FD_mem_t type, hid_t dxpl_id,
haddr_t addr, hsize_t old_size, hsize_t new_size);
H5_DLL haddr_t H5FDget_eoa(H5FD_t *file);
H5_DLL herr_t H5FDset_eoa(H5FD_t *file, haddr_t eof);
H5_DLL haddr_t H5FDget_eof(H5FD_t *file);
H5_DLL herr_t H5FDget_vfd_handle(H5FD_t *file, hid_t fapl, void**file_handle);
H5_DLL herr_t H5FDread(H5FD_t *file, H5FD_mem_t type, hid_t dxpl_id, haddr_t addr, size_t size,
void *buf/*out*/);
H5_DLL herr_t H5FDwrite(H5FD_t *file, H5FD_mem_t type, hid_t dxpl_id, haddr_t addr, size_t size,
const void *buf);
H5_DLL herr_t H5FDread(H5FD_t *file, H5FD_mem_t type, hid_t dxpl_id,
haddr_t addr, size_t size, void *buf/*out*/);
H5_DLL herr_t H5FDwrite(H5FD_t *file, H5FD_mem_t type, hid_t dxpl_id,
haddr_t addr, size_t size, const void *buf);
H5_DLL herr_t H5FDflush(H5FD_t *file, hid_t dxpl_id, unsigned closing);
#ifdef __cplusplus