diff options
Diffstat (limited to 'src/H5EAdblkpage.c')
| -rw-r--r-- | src/H5EAdblkpage.c | 273 |
1 files changed, 137 insertions, 136 deletions
diff --git a/src/H5EAdblkpage.c b/src/H5EAdblkpage.c index 43b59d6..f8ea0ed 100644 --- a/src/H5EAdblkpage.c +++ b/src/H5EAdblkpage.c @@ -87,35 +87,35 @@ H5FL_DEFINE_STATIC(H5EA_dblk_page_t); BEGIN_FUNC(PKG, ERR, H5EA_dblk_page_t *, NULL, NULL, H5EA__dblk_page_alloc(H5EA_hdr_t *hdr, H5EA_sblock_t *parent)) -/* Local variables */ -H5EA_dblk_page_t *dblk_page = NULL; /* Extensible array data block page */ + /* Local variables */ + H5EA_dblk_page_t *dblk_page = NULL; /* Extensible array data block page */ -/* Check arguments */ -HDassert(hdr); + /* Check arguments */ + HDassert(hdr); -/* Allocate memory for the data block */ -if (NULL == (dblk_page = H5FL_CALLOC(H5EA_dblk_page_t))) - H5E_THROW(H5E_CANTALLOC, "memory allocation failed for extensible array data block page") + /* Allocate memory for the data block */ + if (NULL == (dblk_page = H5FL_CALLOC(H5EA_dblk_page_t))) + H5E_THROW(H5E_CANTALLOC, "memory allocation failed for extensible array data block page") -/* Share common array information */ -if (H5EA__hdr_incr(hdr) < 0) - H5E_THROW(H5E_CANTINC, "can't increment reference count on shared array header") -dblk_page->hdr = hdr; + /* Share common array information */ + if (H5EA__hdr_incr(hdr) < 0) + H5E_THROW(H5E_CANTINC, "can't increment reference count on shared array header") + dblk_page->hdr = hdr; -/* Set non-zero internal fields */ -dblk_page->parent = parent; + /* Set non-zero internal fields */ + dblk_page->parent = parent; -/* Allocate buffer for elements in data block page */ -if (NULL == (dblk_page->elmts = H5EA__hdr_alloc_elmts(hdr, hdr->dblk_page_nelmts))) - H5E_THROW(H5E_CANTALLOC, "memory allocation failed for data block page element buffer") + /* Allocate buffer for elements in data block page */ + if (NULL == (dblk_page->elmts = H5EA__hdr_alloc_elmts(hdr, hdr->dblk_page_nelmts))) + H5E_THROW(H5E_CANTALLOC, "memory allocation failed for data block page element buffer") -/* Set the return value */ -ret_value = dblk_page; + /* Set the return value */ + ret_value = dblk_page; -CATCH -if (!ret_value) - if (dblk_page && H5EA__dblk_page_dest(dblk_page) < 0) - H5E_THROW(H5E_CANTFREE, "unable to destroy extensible array data block page") + CATCH + if (!ret_value) + if (dblk_page && H5EA__dblk_page_dest(dblk_page) < 0) + H5E_THROW(H5E_CANTFREE, "unable to destroy extensible array data block page") END_FUNC(PKG) /* end H5EA__dblk_page_alloc() */ @@ -134,50 +134,50 @@ END_FUNC(PKG) /* end H5EA__dblk_page_alloc() */ BEGIN_FUNC(PKG, ERR, herr_t, SUCCEED, FAIL, H5EA__dblk_page_create(H5EA_hdr_t *hdr, H5EA_sblock_t *parent, haddr_t addr)) -/* Local variables */ -H5EA_dblk_page_t *dblk_page = NULL; /* Extensible array data block page */ -hbool_t inserted = FALSE; /* Whether the header was inserted into cache */ - -/* Sanity check */ -HDassert(hdr); - -/* Allocate the data block page */ -if (NULL == (dblk_page = H5EA__dblk_page_alloc(hdr, parent))) - H5E_THROW(H5E_CANTALLOC, "memory allocation failed for extensible array data block page") - -/* Set info about data block page on disk */ -dblk_page->addr = addr; -dblk_page->size = H5EA_DBLK_PAGE_SIZE(hdr); - -/* Clear any elements in data block page to fill value */ -if ((hdr->cparam.cls->fill)(dblk_page->elmts, (size_t)hdr->dblk_page_nelmts) < 0) - H5E_THROW(H5E_CANTSET, "can't set extensible array data block page elements to class's fill value") - -/* Cache the new extensible array data block page */ -if (H5AC_insert_entry(hdr->f, H5AC_EARRAY_DBLK_PAGE, dblk_page->addr, dblk_page, H5AC__NO_FLAGS_SET) < 0) - H5E_THROW(H5E_CANTINSERT, "can't add extensible array data block page to cache") -inserted = TRUE; - -/* Add data block page as child of 'top' proxy */ -if (hdr->top_proxy) { - if (H5AC_proxy_entry_add_child(hdr->top_proxy, hdr->f, dblk_page) < 0) - H5E_THROW(H5E_CANTSET, "unable to add extensible array entry as child of array proxy") - dblk_page->top_proxy = hdr->top_proxy; -} /* end if */ - -CATCH -if (ret_value < 0) - if (dblk_page) { - /* Remove from cache, if inserted */ - if (inserted) - if (H5AC_remove_entry(dblk_page) < 0) - H5E_THROW(H5E_CANTREMOVE, "unable to remove extensible array data block page from cache") - - /* Destroy data block page */ - if (H5EA__dblk_page_dest(dblk_page) < 0) - H5E_THROW(H5E_CANTFREE, "unable to destroy extensible array data block page") + /* Local variables */ + H5EA_dblk_page_t *dblk_page = NULL; /* Extensible array data block page */ + hbool_t inserted = FALSE; /* Whether the header was inserted into cache */ + + /* Sanity check */ + HDassert(hdr); + + /* Allocate the data block page */ + if (NULL == (dblk_page = H5EA__dblk_page_alloc(hdr, parent))) + H5E_THROW(H5E_CANTALLOC, "memory allocation failed for extensible array data block page") + + /* Set info about data block page on disk */ + dblk_page->addr = addr; + dblk_page->size = H5EA_DBLK_PAGE_SIZE(hdr); + + /* Clear any elements in data block page to fill value */ + if ((hdr->cparam.cls->fill)(dblk_page->elmts, (size_t)hdr->dblk_page_nelmts) < 0) + H5E_THROW(H5E_CANTSET, "can't set extensible array data block page elements to class's fill value") + + /* Cache the new extensible array data block page */ + if (H5AC_insert_entry(hdr->f, H5AC_EARRAY_DBLK_PAGE, dblk_page->addr, dblk_page, H5AC__NO_FLAGS_SET) < 0) + H5E_THROW(H5E_CANTINSERT, "can't add extensible array data block page to cache") + inserted = TRUE; + + /* Add data block page as child of 'top' proxy */ + if (hdr->top_proxy) { + if (H5AC_proxy_entry_add_child(hdr->top_proxy, hdr->f, dblk_page) < 0) + H5E_THROW(H5E_CANTSET, "unable to add extensible array entry as child of array proxy") + dblk_page->top_proxy = hdr->top_proxy; } /* end if */ + CATCH + if (ret_value < 0) + if (dblk_page) { + /* Remove from cache, if inserted */ + if (inserted) + if (H5AC_remove_entry(dblk_page) < 0) + H5E_THROW(H5E_CANTREMOVE, "unable to remove extensible array data block page from cache") + + /* Destroy data block page */ + if (H5EA__dblk_page_dest(dblk_page) < 0) + H5E_THROW(H5E_CANTFREE, "unable to destroy extensible array data block page") + } /* end if */ + END_FUNC(PKG) /* end H5EA__dblk_page_create() */ /*------------------------------------------------------------------------- @@ -197,48 +197,49 @@ BEGIN_FUNC(PKG, ERR, H5EA_dblk_page_t *, NULL, NULL, H5EA__dblk_page_protect(H5EA_hdr_t *hdr, H5EA_sblock_t *parent, haddr_t dblk_page_addr, unsigned flags)) -/* Local variables */ -H5EA_dblk_page_t * dblk_page = NULL; /* Extensible array data block page */ -H5EA_dblk_page_cache_ud_t udata; /* Information needed for loading data block page */ - -/* Sanity check */ -HDassert(hdr); -HDassert(H5F_addr_defined(dblk_page_addr)); - -/* only the H5AC__READ_ONLY_FLAG may be set */ -HDassert((flags & (unsigned)(~H5AC__READ_ONLY_FLAG)) == 0); - -/* Set up user data */ -udata.hdr = hdr; -udata.parent = parent; -udata.dblk_page_addr = dblk_page_addr; - -/* Protect the data block page */ -if (NULL == (dblk_page = (H5EA_dblk_page_t *)H5AC_protect(hdr->f, H5AC_EARRAY_DBLK_PAGE, dblk_page_addr, - &udata, flags))) - H5E_THROW(H5E_CANTPROTECT, "unable to protect extensible array data block page, address = %llu", - (unsigned long long)dblk_page_addr) + /* Local variables */ + H5EA_dblk_page_t * dblk_page = NULL; /* Extensible array data block page */ + H5EA_dblk_page_cache_ud_t udata; /* Information needed for loading data block page */ + + /* Sanity check */ + HDassert(hdr); + HDassert(H5F_addr_defined(dblk_page_addr)); + + /* only the H5AC__READ_ONLY_FLAG may be set */ + HDassert((flags & (unsigned)(~H5AC__READ_ONLY_FLAG)) == 0); + + /* Set up user data */ + udata.hdr = hdr; + udata.parent = parent; + udata.dblk_page_addr = dblk_page_addr; + + /* Protect the data block page */ + if (NULL == (dblk_page = (H5EA_dblk_page_t *)H5AC_protect(hdr->f, H5AC_EARRAY_DBLK_PAGE, dblk_page_addr, + &udata, flags))) + H5E_THROW(H5E_CANTPROTECT, "unable to protect extensible array data block page, address = %llu", + (unsigned long long)dblk_page_addr) + + /* Create top proxy, if it doesn't exist */ + if (hdr->top_proxy && NULL == dblk_page->top_proxy) { + /* Add data block page as child of 'top' proxy */ + if (H5AC_proxy_entry_add_child(hdr->top_proxy, hdr->f, dblk_page) < 0) + H5E_THROW(H5E_CANTSET, "unable to add extensible array entry as child of array proxy") + dblk_page->top_proxy = hdr->top_proxy; + } /* end if */ -/* Create top proxy, if it doesn't exist */ -if (hdr->top_proxy && NULL == dblk_page->top_proxy) { - /* Add data block page as child of 'top' proxy */ - if (H5AC_proxy_entry_add_child(hdr->top_proxy, hdr->f, dblk_page) < 0) - H5E_THROW(H5E_CANTSET, "unable to add extensible array entry as child of array proxy") - dblk_page->top_proxy = hdr->top_proxy; -} /* end if */ - -/* Set return value */ -ret_value = dblk_page; - -CATCH -/* Clean up on error */ -if (!ret_value) { - /* Release the data block page, if it was protected */ - if (dblk_page && - H5AC_unprotect(hdr->f, H5AC_EARRAY_DBLK_PAGE, dblk_page->addr, dblk_page, H5AC__NO_FLAGS_SET) < 0) - H5E_THROW(H5E_CANTUNPROTECT, "unable to unprotect extensible array data block page, address = %llu", - (unsigned long long)dblk_page->addr) -} /* end if */ + /* Set return value */ + ret_value = dblk_page; + + CATCH + /* Clean up on error */ + if (!ret_value) { + /* Release the data block page, if it was protected */ + if (dblk_page && + H5AC_unprotect(hdr->f, H5AC_EARRAY_DBLK_PAGE, dblk_page->addr, dblk_page, H5AC__NO_FLAGS_SET) < 0) + H5E_THROW(H5E_CANTUNPROTECT, + "unable to unprotect extensible array data block page, address = %llu", + (unsigned long long)dblk_page->addr) + } /* end if */ END_FUNC(PKG) /* end H5EA__dblk_page_protect() */ @@ -258,17 +259,17 @@ END_FUNC(PKG) /* end H5EA__dblk_page_protect() */ BEGIN_FUNC(PKG, ERR, herr_t, SUCCEED, FAIL, H5EA__dblk_page_unprotect(H5EA_dblk_page_t *dblk_page, unsigned cache_flags)) -/* Local variables */ + /* Local variables */ -/* Sanity check */ -HDassert(dblk_page); + /* Sanity check */ + HDassert(dblk_page); -/* Unprotect the data block page */ -if (H5AC_unprotect(dblk_page->hdr->f, H5AC_EARRAY_DBLK_PAGE, dblk_page->addr, dblk_page, cache_flags) < 0) - H5E_THROW(H5E_CANTUNPROTECT, "unable to unprotect extensible array data block page, address = %llu", - (unsigned long long)dblk_page->addr) + /* Unprotect the data block page */ + if (H5AC_unprotect(dblk_page->hdr->f, H5AC_EARRAY_DBLK_PAGE, dblk_page->addr, dblk_page, cache_flags) < 0) + H5E_THROW(H5E_CANTUNPROTECT, "unable to unprotect extensible array data block page, address = %llu", + (unsigned long long)dblk_page->addr) -CATCH + CATCH END_FUNC(PKG) /* end H5EA__dblk_page_unprotect() */ @@ -286,32 +287,32 @@ END_FUNC(PKG) /* end H5EA__dblk_page_unprotect() */ */ BEGIN_FUNC(PKG, ERR, herr_t, SUCCEED, FAIL, H5EA__dblk_page_dest(H5EA_dblk_page_t *dblk_page)) -/* Sanity check */ -HDassert(dblk_page); -HDassert(!dblk_page->has_hdr_depend); - -/* Check if header field has been initialized */ -if (dblk_page->hdr) { - /* Check if buffer for data block page elements has been initialized */ - if (dblk_page->elmts) { - /* Free buffer for data block page elements */ - if (H5EA__hdr_free_elmts(dblk_page->hdr, dblk_page->hdr->dblk_page_nelmts, dblk_page->elmts) < 0) - H5E_THROW(H5E_CANTFREE, "unable to free extensible array data block element buffer") - dblk_page->elmts = NULL; + /* Sanity check */ + HDassert(dblk_page); + HDassert(!dblk_page->has_hdr_depend); + + /* Check if header field has been initialized */ + if (dblk_page->hdr) { + /* Check if buffer for data block page elements has been initialized */ + if (dblk_page->elmts) { + /* Free buffer for data block page elements */ + if (H5EA__hdr_free_elmts(dblk_page->hdr, dblk_page->hdr->dblk_page_nelmts, dblk_page->elmts) < 0) + H5E_THROW(H5E_CANTFREE, "unable to free extensible array data block element buffer") + dblk_page->elmts = NULL; + } /* end if */ + + /* Decrement reference count on shared info */ + if (H5EA__hdr_decr(dblk_page->hdr) < 0) + H5E_THROW(H5E_CANTDEC, "can't decrement reference count on shared array header") + dblk_page->hdr = NULL; } /* end if */ - /* Decrement reference count on shared info */ - if (H5EA__hdr_decr(dblk_page->hdr) < 0) - H5E_THROW(H5E_CANTDEC, "can't decrement reference count on shared array header") - dblk_page->hdr = NULL; -} /* end if */ - -/* Sanity check */ -HDassert(NULL == dblk_page->top_proxy); + /* Sanity check */ + HDassert(NULL == dblk_page->top_proxy); -/* Free the data block page itself */ -dblk_page = H5FL_FREE(H5EA_dblk_page_t, dblk_page); + /* Free the data block page itself */ + dblk_page = H5FL_FREE(H5EA_dblk_page_t, dblk_page); -CATCH + CATCH END_FUNC(PKG) /* end H5EA__dblk_page_dest() */ |