c8f533cfc3
including the merge of `hdffv/hdf5/develop`, back to the branch that Vailin and I share. Now I need to put this branch on a fork with a less confusing name than vchoi_fork!
594 lines
17 KiB
C
594 lines
17 KiB
C
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright by The HDF Group. *
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* Copyright by the Board of Trustees of the University of Illinois. *
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* All rights reserved. *
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* *
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* This file is part of HDF5. The full HDF5 copyright notice, including *
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* terms governing use, modification, and redistribution, is contained in *
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* the COPYING file, which can be found at the root of the source code *
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* distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. *
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* If you do not have access to either file, you may request a copy from *
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* help@hdfgroup.org. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/*-------------------------------------------------------------------------
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*
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* Created: H5FAhdr.c
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*
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* Purpose: Array header routines for Fixed Array.
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*
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*-------------------------------------------------------------------------
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*/
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/**********************/
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/* Module Declaration */
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/**********************/
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#include "H5FAmodule.h" /* This source code file is part of the H5FA module */
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/***********************/
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/* Other Packages Used */
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/***********************/
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/***********/
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/* Headers */
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/***********/
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#include "H5private.h" /* Generic Functions */
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#include "H5Eprivate.h" /* Error handling */
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#include "H5FApkg.h" /* Fixed Arrays */
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#include "H5MFprivate.h" /* File memory management */
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#include "H5MMprivate.h" /* Memory management */
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/****************/
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/* Local Macros */
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/****************/
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/******************/
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/* Local Typedefs */
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/******************/
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/********************/
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/* Package Typedefs */
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/********************/
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/********************/
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/* Local Prototypes */
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/********************/
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/*********************/
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/* Package Variables */
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/*********************/
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/*****************************/
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/* Library Private Variables */
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/*****************************/
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/*******************/
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/* Local Variables */
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/*******************/
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/* Declare a free list to manage the H5FA_hdr_t struct */
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H5FL_DEFINE_STATIC(H5FA_hdr_t);
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/*-------------------------------------------------------------------------
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* Function: H5FA__hdr_alloc
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*
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* Purpose: Allocate shared Fixed Array header
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*
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* Return: SUCCEED/FAIL
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*
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* Programmer: Vailin Choi
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* Thursday, April 30, 2009
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*
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*-------------------------------------------------------------------------
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*/
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BEGIN_FUNC(PKG, ERR,
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H5FA_hdr_t *, NULL, NULL,
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H5FA__hdr_alloc(H5F_t *f))
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/* Local variables */
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H5FA_hdr_t *hdr = NULL; /* Shared Fixed Array header */
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/* Check arguments */
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HDassert(f);
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/* Allocate space for the shared information */
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if(NULL == (hdr = H5FL_CALLOC(H5FA_hdr_t)))
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H5E_THROW(H5E_CANTALLOC, "memory allocation failed for Fixed Array shared header")
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/* Set non-zero internal fields */
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hdr->addr = HADDR_UNDEF;
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/* Set the internal parameters for the array */
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hdr->f = f;
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hdr->swmr_write = (H5F_INTENT(f) & H5F_ACC_SWMR_WRITE) > 0;
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hdr->sizeof_addr = H5F_SIZEOF_ADDR(f);
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hdr->sizeof_size = H5F_SIZEOF_SIZE(f);
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/* Set the return value */
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ret_value = hdr;
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CATCH
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if(!ret_value)
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if(hdr && H5FA__hdr_dest(hdr) < 0)
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H5E_THROW(H5E_CANTFREE, "unable to destroy fixed array header")
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END_FUNC(PKG) /* end H5FA__hdr_alloc() */
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/*-------------------------------------------------------------------------
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* Function: H5FA__hdr_init
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*
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* Purpose: Initialize shared fixed array header
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*
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* Return: SUCCEED/FAIL
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*
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* Programmer: Quincey Koziol
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* Sunday, November 15, 2009
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*
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*-------------------------------------------------------------------------
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*/
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BEGIN_FUNC(PKG, ERR,
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herr_t, SUCCEED, FAIL,
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H5FA__hdr_init(H5FA_hdr_t *hdr, void *ctx_udata))
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/* Local variables */
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/* Check arguments */
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HDassert(hdr);
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/* Set size of header on disk (locally and in statistics) */
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hdr->stats.hdr_size = hdr->size = H5FA_HEADER_SIZE_HDR(hdr);
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/* Set number of elements for Fixed Array in statistics */
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hdr->stats.nelmts = hdr->cparam.nelmts;
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/* Create the callback context, if there's one */
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if(hdr->cparam.cls->crt_context) {
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if(NULL == (hdr->cb_ctx = (*hdr->cparam.cls->crt_context)(ctx_udata)))
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H5E_THROW(H5E_CANTCREATE, "unable to create fixed array client callback context")
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} /* end if */
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CATCH
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END_FUNC(PKG) /* end H5FA__hdr_init() */
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/*-------------------------------------------------------------------------
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* Function: H5FA__hdr_create
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*
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* Purpose: Creates a new Fixed Array header in the file
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*
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* Return: SUCCEED/FAIL
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*
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* Programmer: Vailin Choi
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* Thursday, April 30, 2009
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*
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*-------------------------------------------------------------------------
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*/
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BEGIN_FUNC(PKG, ERR,
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haddr_t, HADDR_UNDEF, HADDR_UNDEF,
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H5FA__hdr_create(H5F_t *f, const H5FA_create_t *cparam, void *ctx_udata))
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/* Local variables */
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H5FA_hdr_t *hdr = NULL; /* Fixed array header */
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hbool_t inserted = FALSE; /* Whether the header was inserted into cache */
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/* Check arguments */
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HDassert(f);
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HDassert(cparam);
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#ifndef NDEBUG
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{
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/* Check for valid parameters */
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if(cparam->raw_elmt_size == 0)
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H5E_THROW(H5E_BADVALUE, "element size must be greater than zero")
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if(cparam->max_dblk_page_nelmts_bits == 0)
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H5E_THROW(H5E_BADVALUE, "max. # of elements bits must be greater than zero")
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if(cparam->nelmts == 0)
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H5E_THROW(H5E_BADVALUE, "# of elements must be greater than zero")
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}
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#endif /* NDEBUG */
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/* Allocate space for the shared information */
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if(NULL == (hdr = H5FA__hdr_alloc(f)))
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H5E_THROW(H5E_CANTALLOC, "memory allocation failed for Fixed Array shared header")
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hdr->dblk_addr = HADDR_UNDEF;
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/* Set the creation parameters for the array */
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H5MM_memcpy(&hdr->cparam, cparam, sizeof(hdr->cparam));
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/* Finish initializing fixed array header */
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if(H5FA__hdr_init(hdr, ctx_udata) < 0)
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H5E_THROW(H5E_CANTINIT, "initialization failed for fixed array header")
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/* Allocate space for the header on disk */
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if(HADDR_UNDEF == (hdr->addr = H5MF_alloc(f, H5FD_MEM_FARRAY_HDR, (hsize_t)hdr->size)))
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H5E_THROW(H5E_CANTALLOC, "file allocation failed for Fixed Array header")
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/* Create 'top' proxy for extensible array entries */
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if(hdr->swmr_write)
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if(NULL == (hdr->top_proxy = H5AC_proxy_entry_create()))
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H5E_THROW(H5E_CANTCREATE, "can't create fixed array entry proxy")
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/* Cache the new Fixed Array header */
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if(H5AC_insert_entry(f, H5AC_FARRAY_HDR, hdr->addr, hdr, H5AC__NO_FLAGS_SET) < 0)
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H5E_THROW(H5E_CANTINSERT, "can't add fixed array header to cache")
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inserted = TRUE;
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/* Add header as child of 'top' proxy */
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if(hdr->top_proxy)
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if(H5AC_proxy_entry_add_child(hdr->top_proxy, f, hdr) < 0)
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H5E_THROW(H5E_CANTSET, "unable to add fixed array entry as child of array proxy")
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/* Set address of array header to return */
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ret_value = hdr->addr;
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CATCH
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if(!H5F_addr_defined(ret_value))
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if(hdr) {
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/* Remove from cache, if inserted */
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if(inserted)
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if(H5AC_remove_entry(hdr) < 0)
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H5E_THROW(H5E_CANTREMOVE, "unable to remove fixed array header from cache")
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/* Release header's disk space */
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if(H5F_addr_defined(hdr->addr) && H5MF_xfree(f, H5FD_MEM_FARRAY_HDR, hdr->addr, (hsize_t)hdr->size) < 0)
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H5E_THROW(H5E_CANTFREE, "unable to free Fixed Array header")
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/* Destroy header */
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if(H5FA__hdr_dest(hdr) < 0)
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H5E_THROW(H5E_CANTFREE, "unable to destroy Fixed Array header")
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} /* end if */
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END_FUNC(PKG) /* end H5FA__hdr_create() */
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/*-------------------------------------------------------------------------
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* Function: H5FA__hdr_incr
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*
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* Purpose: Increment component reference count on shared array header
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*
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* Return: SUCCEED/FAIL
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*
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* Programmer: Vailin Choi
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* Thursday, April 30, 2009
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*
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*-------------------------------------------------------------------------
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*/
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BEGIN_FUNC(PKG, ERR,
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herr_t, SUCCEED, FAIL,
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H5FA__hdr_incr(H5FA_hdr_t *hdr))
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/* Sanity check */
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HDassert(hdr);
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/* Mark header as un-evictable when something is depending on it */
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if(hdr->rc == 0)
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if(H5AC_pin_protected_entry(hdr) < 0)
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H5E_THROW(H5E_CANTPIN, "unable to pin fixed array header")
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/* Increment reference count on shared header */
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hdr->rc++;
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CATCH
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END_FUNC(PKG) /* end H5FA__hdr_incr() */
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/*-------------------------------------------------------------------------
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* Function: H5FA__hdr_decr
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*
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* Purpose: Decrement component reference count on shared array header
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*
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* Return: SUCCEED/FAIL
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*
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* Programmer: Vailin Choi
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* Thursday, April 30, 2009
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*
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*-------------------------------------------------------------------------
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*/
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BEGIN_FUNC(PKG, ERR,
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herr_t, SUCCEED, FAIL,
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H5FA__hdr_decr(H5FA_hdr_t *hdr))
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/* Sanity check */
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HDassert(hdr);
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HDassert(hdr->rc);
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/* Decrement reference count on shared header */
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hdr->rc--;
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/* Mark header as evictable again when nothing depend on it */
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if(hdr->rc == 0) {
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HDassert(hdr->file_rc == 0);
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if(H5AC_unpin_entry(hdr) < 0)
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H5E_THROW(H5E_CANTUNPIN, "unable to unpin fixed array header")
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} /* end if */
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CATCH
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END_FUNC(PKG) /* end H5FA__hdr_decr() */
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/*-------------------------------------------------------------------------
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* Function: H5FA__hdr_fuse_incr
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*
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* Purpose: Increment file reference count on shared array header
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*
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* Return: SUCCEED/FAIL
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*
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* Programmer: Vailin Choi
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* Thursday, April 30, 2009
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*
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*-------------------------------------------------------------------------
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*/
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BEGIN_FUNC(PKG, NOERR,
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herr_t, SUCCEED, -,
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H5FA__hdr_fuse_incr(H5FA_hdr_t *hdr))
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/* Sanity check */
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HDassert(hdr);
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/* Increment file reference count on shared header */
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hdr->file_rc++;
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END_FUNC(PKG) /* end H5FA__hdr_fuse_incr() */
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/*-------------------------------------------------------------------------
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* Function: H5FA__hdr_fuse_decr
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*
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* Purpose: Decrement file reference count on shared array header
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*
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* Return: SUCCEED/FAIL
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*
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* Programmer: Vailin Choi
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* Thursday, April 30, 2009
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*
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*-------------------------------------------------------------------------
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*/
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BEGIN_FUNC(PKG, NOERR,
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size_t, 0, -,
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H5FA__hdr_fuse_decr(H5FA_hdr_t *hdr))
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/* Sanity check */
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HDassert(hdr);
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HDassert(hdr->file_rc);
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/* Decrement file reference count on shared header */
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hdr->file_rc--;
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/* Set return value */
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ret_value = hdr->file_rc;
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END_FUNC(PKG) /* end H5FA__hdr_fuse_decr() */
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/*-------------------------------------------------------------------------
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* Function: H5FA__hdr_modified
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*
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* Purpose: Mark a fixed array as modified
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*
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* Return: SUCCEED/FAIL
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*
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* Programmer: Vailin Choi
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* Thursday, April 30, 2009
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*
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*-------------------------------------------------------------------------
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*/
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BEGIN_FUNC(PKG, ERR,
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herr_t, SUCCEED, FAIL,
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H5FA__hdr_modified(H5FA_hdr_t *hdr))
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/* Sanity check */
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HDassert(hdr);
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/* Mark header as dirty in cache */
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if(H5AC_mark_entry_dirty(hdr) < 0)
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H5E_THROW(H5E_CANTMARKDIRTY, "unable to mark fixed array header as dirty")
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CATCH
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END_FUNC(PKG) /* end H5FA__hdr_modified() */
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/*-------------------------------------------------------------------------
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* Function: H5FA__hdr_protect
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*
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* Purpose: Convenience wrapper around protecting fixed array header
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*
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* Return: Non-NULL pointer to header on success/NULL on failure
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*
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* Programmer: Quincey Koziol
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* koziol@hdfgroup.org
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* Aug 12 2013
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*
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*-------------------------------------------------------------------------
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*/
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BEGIN_FUNC(PKG, ERR,
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H5FA_hdr_t *, NULL, NULL,
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H5FA__hdr_protect(H5F_t *f, haddr_t fa_addr, void *ctx_udata, unsigned flags))
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/* Local variables */
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H5FA_hdr_t *hdr; /* Fixed array header */
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H5FA_hdr_cache_ud_t udata; /* User data for cache callbacks */
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/* Sanity check */
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HDassert(f);
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HDassert(H5F_addr_defined(fa_addr));
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/* only the H5AC__READ_ONLY_FLAG is permitted */
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HDassert((flags & (unsigned)(~H5AC__READ_ONLY_FLAG)) == 0);
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/* Set up user data for cache callbacks */
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udata.f = f;
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udata.addr = fa_addr;
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udata.ctx_udata = ctx_udata;
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/* Protect the header */
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if(NULL == (hdr = (H5FA_hdr_t *)H5AC_protect(f, H5AC_FARRAY_HDR, fa_addr, &udata, flags)))
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H5E_THROW(H5E_CANTPROTECT, "unable to protect fixed array header, address = %llu", (unsigned long long)fa_addr)
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hdr->f = f; /* (Must be set again here, in case the header was already in the cache -QAK) */
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/* Create top proxy, if it doesn't exist */
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if(hdr->swmr_write && NULL == hdr->top_proxy) {
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/* Create 'top' proxy for fixed array entries */
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if(NULL == (hdr->top_proxy = H5AC_proxy_entry_create()))
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H5E_THROW(H5E_CANTCREATE, "can't create fixed array entry proxy")
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/* Add header as child of 'top' proxy */
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if(H5AC_proxy_entry_add_child(hdr->top_proxy, f, hdr) < 0)
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H5E_THROW(H5E_CANTSET, "unable to add fixed array entry as child of array proxy")
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} /* end if */
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/* Set return value */
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ret_value = hdr;
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CATCH
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END_FUNC(PKG) /* end H5FA__hdr_protect() */
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/*-------------------------------------------------------------------------
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* Function: H5FA__hdr_unprotect
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*
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* Purpose: Convenience wrapper around unprotecting fixed array header
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*
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* Return: Non-negative on success/Negative on failure
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*
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* Programmer: Quincey Koziol
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* koziol@hdfgroup.org
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* Aug 12 2013
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*
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*-------------------------------------------------------------------------
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*/
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BEGIN_FUNC(PKG, ERR,
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herr_t, SUCCEED, FAIL,
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H5FA__hdr_unprotect(H5FA_hdr_t *hdr, unsigned cache_flags))
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/* Local variables */
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/* Sanity check */
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HDassert(hdr);
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/* Unprotect the header */
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if(H5AC_unprotect(hdr->f, H5AC_FARRAY_HDR, hdr->addr, hdr, cache_flags) < 0)
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H5E_THROW(H5E_CANTUNPROTECT, "unable to unprotect fixed array hdr, address = %llu", (unsigned long long)hdr->addr)
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CATCH
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END_FUNC(PKG) /* end H5EA__hdr_unprotect() */
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/*-------------------------------------------------------------------------
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* Function: H5FA__hdr_delete
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*
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* Purpose: Delete a fixed array, starting with the header
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*
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* Return: SUCCEED/FAIL
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*
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* Programmer: Vailin Choi
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* Thursday, April 30, 2009
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*
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*-------------------------------------------------------------------------
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*/
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BEGIN_FUNC(PKG, ERR,
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herr_t, SUCCEED, FAIL,
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H5FA__hdr_delete(H5FA_hdr_t *hdr))
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/* Local variables */
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unsigned cache_flags = H5AC__NO_FLAGS_SET; /* Flags for unprotecting header */
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/* Sanity check */
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HDassert(hdr);
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HDassert(!hdr->file_rc);
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#ifndef NDEBUG
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{
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unsigned hdr_status = 0; /* Array header's status in the metadata cache */
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/* Check the array header's status in the metadata cache */
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if(H5AC_get_entry_status(hdr->f, hdr->addr, &hdr_status) < 0)
|
||
H5E_THROW(H5E_CANTGET, "unable to check metadata cache status for array header")
|
||
|
||
/* Sanity checks on array header */
|
||
HDassert(hdr_status & H5AC_ES__IN_CACHE);
|
||
HDassert(hdr_status & H5AC_ES__IS_PROTECTED);
|
||
} /* end block */
|
||
#endif /* NDEBUG */
|
||
|
||
/* Check for Fixed Array Data block */
|
||
if(H5F_addr_defined(hdr->dblk_addr)) {
|
||
/* Delete Fixed Array Data block */
|
||
if(H5FA__dblock_delete(hdr, hdr->dblk_addr) < 0)
|
||
H5E_THROW(H5E_CANTDELETE, "unable to delete fixed array data block")
|
||
} /* end if */
|
||
|
||
/* Set flags to finish deleting header on unprotect */
|
||
cache_flags |= H5AC__DIRTIED_FLAG | H5AC__DELETED_FLAG | H5AC__FREE_FILE_SPACE_FLAG;
|
||
|
||
CATCH
|
||
|
||
/* Unprotect the header, deleting it if an error hasn't occurred */
|
||
if(H5AC_unprotect(hdr->f, H5AC_FARRAY_HDR, hdr->addr, hdr, cache_flags) < 0)
|
||
H5E_THROW(H5E_CANTUNPROTECT, "unable to release fixed array header")
|
||
|
||
END_FUNC(PKG) /* end H5FA__hdr_delete() */
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5FA__hdr_dest
|
||
*
|
||
* Purpose: Destroys a fixed array header in memory.
|
||
*
|
||
* Return: SUCCEED/FAIL
|
||
*
|
||
* Programmer: Vailin Choi
|
||
* Thursday, April 30, 2009
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
BEGIN_FUNC(PKG, ERR,
|
||
herr_t, SUCCEED, FAIL,
|
||
H5FA__hdr_dest(H5FA_hdr_t *hdr))
|
||
|
||
/* Check arguments */
|
||
HDassert(hdr);
|
||
HDassert(hdr->rc == 0);
|
||
|
||
/* Destroy the callback context */
|
||
if(hdr->cb_ctx) {
|
||
if((*hdr->cparam.cls->dst_context)(hdr->cb_ctx) < 0)
|
||
H5E_THROW(H5E_CANTRELEASE, "unable to destroy fixed array client callback context")
|
||
} /* end if */
|
||
hdr->cb_ctx = NULL;
|
||
|
||
/* Destroy the 'top' proxy */
|
||
if(hdr->top_proxy) {
|
||
if(H5AC_proxy_entry_dest(hdr->top_proxy) < 0)
|
||
H5E_THROW(H5E_CANTRELEASE, "unable to destroy fixed array 'top' proxy")
|
||
hdr->top_proxy = NULL;
|
||
} /* end if */
|
||
|
||
/* Free the shared info itself */
|
||
hdr = H5FL_FREE(H5FA_hdr_t, hdr);
|
||
|
||
CATCH
|
||
|
||
END_FUNC(PKG) /* end H5FA__hdr_dest() */
|
||
|