diff options
Diffstat (limited to 'src/H5B2test.c')
| -rw-r--r-- | src/H5B2test.c | 47 |
1 files changed, 18 insertions, 29 deletions
diff --git a/src/H5B2test.c b/src/H5B2test.c index 3fa5d27..a8a36ba 100644 --- a/src/H5B2test.c +++ b/src/H5B2test.c @@ -271,13 +271,10 @@ done: *------------------------------------------------------------------------- */ herr_t -H5B2_get_node_info_test(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t addr, - void *udata, H5B2_node_info_test_t *ninfo) +H5B2_get_node_info_test(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, + haddr_t addr, void *udata, H5B2_node_info_test_t *ninfo) { - H5B2_t *bt2=NULL; /* Pointer to the B-tree header */ - H5RC_t *bt2_shared=NULL; /* Pointer to ref-counter for shared B-tree info */ - H5B2_shared_t *shared; /* Pointer to B-tree's shared information */ - hbool_t incr_rc=FALSE; /* Flag to indicate that we've incremented the B-tree's shared info reference count */ + H5B2_t *bt2 = NULL; /* Pointer to the B-tree header */ H5B2_node_ptr_t curr_node_ptr; /* Node pointer info for current node */ unsigned depth; /* Current depth of the tree */ int cmp; /* Comparison value of records */ @@ -292,31 +289,20 @@ H5B2_get_node_info_test(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr HDassert(H5F_addr_defined(addr)); /* Look up the B-tree header */ - if (NULL == (bt2 = (H5B2_t *)H5AC_protect(f, dxpl_id, H5AC_BT2_HDR, addr, type, NULL, H5AC_READ))) + if(NULL == (bt2 = (H5B2_t *)H5AC_protect(f, dxpl_id, H5AC_BT2_HDR, addr, type, NULL, H5AC_READ))) HGOTO_ERROR(H5E_BTREE, H5E_CANTPROTECT, FAIL, "unable to load B-tree header") - /* Safely grab pointer to reference counted shared B-tree info, so we can release the B-tree header if necessary */ - bt2_shared=bt2->shared; - H5RC_INC(bt2_shared); - incr_rc=TRUE; - - /* Get the pointer to the shared B-tree info */ - shared = (H5B2_shared_t *)H5RC_GET_OBJ(bt2_shared); - HDassert(shared); + /* Set file pointer for this B-tree operation */ + bt2->f = f; /* Make copy of the root node pointer to start search with */ curr_node_ptr = bt2->root; /* Current depth of the tree */ - depth = shared->depth; - - /* Release header */ - if(H5AC_unprotect(f, dxpl_id, H5AC_BT2_HDR, addr, bt2, H5AC__NO_FLAGS_SET) < 0) - HGOTO_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release B-tree header info") - bt2 = NULL; + depth = bt2->depth; /* Check for empty tree */ - if(curr_node_ptr.node_nrec==0) + if(0 == curr_node_ptr.node_nrec) HGOTO_ERROR(H5E_BTREE, H5E_NOTFOUND, FAIL, "B-tree has no records") /* Walk down B-tree to find record or leaf node where record is located */ @@ -326,11 +312,11 @@ H5B2_get_node_info_test(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr H5B2_node_ptr_t next_node_ptr; /* Node pointer info for next node */ /* Lock B-tree current node */ - if(NULL == (internal = H5B2_protect_internal(f, dxpl_id, bt2_shared, curr_node_ptr.addr, curr_node_ptr.node_nrec, depth, H5AC_READ))) + if(NULL == (internal = H5B2_protect_internal(f, dxpl_id, bt2, curr_node_ptr.addr, curr_node_ptr.node_nrec, depth, H5AC_READ))) HGOTO_ERROR(H5E_BTREE, H5E_CANTPROTECT, FAIL, "unable to load B-tree internal node") /* Locate node pointer for child */ - cmp = H5B2_locate_record(shared->type, internal->nrec, shared->nat_off, internal->int_native, udata, &idx); + cmp = H5B2_locate_record(bt2->type, internal->nrec, bt2->nat_off, internal->int_native, udata, &idx); if(cmp > 0) idx++; @@ -366,11 +352,11 @@ H5B2_get_node_info_test(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr H5B2_leaf_t *leaf; /* Pointer to leaf node in B-tree */ /* Lock B-tree leaf node */ - if(NULL == (leaf = (H5B2_leaf_t *)H5AC_protect(f, dxpl_id, H5AC_BT2_LEAF, curr_node_ptr.addr, &(curr_node_ptr.node_nrec), bt2_shared, H5AC_READ))) + if(NULL == (leaf = (H5B2_leaf_t *)H5AC_protect(f, dxpl_id, H5AC_BT2_LEAF, curr_node_ptr.addr, &(curr_node_ptr.node_nrec), bt2, H5AC_READ))) HGOTO_ERROR(H5E_BTREE, H5E_CANTPROTECT, FAIL, "unable to load B-tree internal node") /* Locate record */ - cmp = H5B2_locate_record(shared->type, leaf->nrec, shared->nat_off, leaf->leaf_native, udata, &idx); + cmp = H5B2_locate_record(bt2->type, leaf->nrec, bt2->nat_off, leaf->leaf_native, udata, &idx); /* Unlock current node */ if(H5AC_unprotect(f, dxpl_id, H5AC_BT2_LEAF, curr_node_ptr.addr, leaf, H5AC__NO_FLAGS_SET) < 0) @@ -386,9 +372,12 @@ H5B2_get_node_info_test(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr ninfo->nrec = curr_node_ptr.node_nrec; done: - /* Check if we need to decrement the reference count for the B-tree's shared info */ - if(incr_rc) - H5RC_DEC(bt2_shared); + /* Release header */ + if(bt2) { + bt2->f = NULL; + if(H5AC_unprotect(f, dxpl_id, H5AC_BT2_HDR, addr, bt2, H5AC__NO_FLAGS_SET) < 0) + HDONE_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release B-tree header info") + } /* end if */ FUNC_LEAVE_NOAPI(ret_value) } /* H5B2_get_node_info_test() */ |