Cross Reference: /external/oprofile/libdb/db

Lines Matching refs:data
32 static __inline odb_descr_t * odb_to_descr(odb_data_t * data)
34 	return (odb_descr_t *)(((char*)data->base_memory) + data->sizeof_header);
38 static __inline odb_node_t * odb_to_node_base(odb_data_t * data)
40 	return (odb_node_t *)(((char *)data->base_memory) + data->offset_node);
44 static __inline odb_index_t * odb_to_hash_base(odb_data_t * data)
46 	return (odb_index_t *)(((char *)data->base_memory) + 
47 				data->offset_node +
48 				(data->descr->size * sizeof(odb_node_t)));
55 static unsigned int tables_size(odb_data_t const * data, odb_node_nr_t node_nr)
61 	size += data->offset_node;
67 int odb_grow_hashtable(odb_data_t * data)
74 	old_file_size = tables_size(data, data->descr->size);
75 	new_file_size = tables_size(data, data->descr->size * 2);
77 	if (ftruncate(data->fd, new_file_size))
82 		MAP_SHARED, data->fd, 0);
84 	new_map = mremap(data->base_memory,
92 	munmap(data->base_memory, old_file_size);
95 	data->base_memory = new_map;
96 	data->descr = odb_to_descr(data);
97 	data->descr->size *= 2;
98 	data->node_base = odb_to_node_base(data);
99 	data->hash_base = odb_to_hash_base(data);
100 	data->hash_mask = (data->descr->size * BUCKET_FACTOR) - 1;
118 	for (pos = 0 ; pos < data->descr->size*BUCKET_FACTOR ; ++pos)
119 		data->hash_base[pos] = 0;
122 	for (pos = 1; pos < data->descr->current_size; ++pos) {
123 		odb_node_t * node = &data->node_base[pos];
124 		size_t index = odb_do_hash(data, node->key);
125 		node->next = data->hash_base[index];
126 		data->hash_base[index] = pos;
135 	odb->data = NULL;
180 	odb_data_t * data;
188 	data = find_samples_data(hash, filename);
189 	if (data) {
190 		odb->data = data;
191 		data->ref_count++;
195 	data = xmalloc(sizeof(odb_data_t));
196 	memset(data, '\0', sizeof(odb_data_t));
197 	list_init(&data->list);
198 	data->offset_node = sizeof_header + sizeof(odb_descr_t);
199 	data->sizeof_header = sizeof_header;
200 	data->ref_count = 1;
201 	data->filename = xstrdup(filename);
203 	data->fd = open(filename, flags, 0644);
204 	if (data->fd < 0) {
209 	if (fstat(data->fd, &stat_buf)) {
222 		nr_node = DEFAULT_NODE_NR(data->offset_node);
224 		file_size = tables_size(data, nr_node);
225 		if (ftruncate(data->fd, file_size)) {
231 		nr_node = (stat_buf.st_size - data->offset_node) /
235 	data->base_memory = mmap(0, tables_size(data, nr_node), mmflags,
236 				MAP_SHARED, data->fd, 0);
238 	if (data->base_memory == MAP_FAILED) {
243 	data->descr = odb_to_descr(data);
246 		data->descr->size = nr_node;
248 		data->descr->current_size = 1;
251 		if (nr_node != data->descr->size) {
257 	data->hash_base = odb_to_hash_base(data);
258 	data->node_base = odb_to_node_base(data);
259 	data->hash_mask = (data->descr->size * BUCKET_FACTOR) - 1;
261 	list_add(&data->list, &files_hash[hash]);
262 	odb->data = data;
266 	munmap(data->base_memory, tables_size(data, nr_node));
268 	close(data->fd);
269 	free(data->filename);
270 	free(data);
271 	odb->data = NULL;
278 	odb_data_t * data = odb->data;
280 	if (data) {
281 		data->ref_count--;
282 		if (data->ref_count == 0) {
283 			size_t size = tables_size(data, data->descr->size);
284 			list_del(&data->list);
285 			munmap(data->base_memory, size);
286 			if (data->fd >= 0)
287 				close(data->fd);
288 			free(data->filename);
289 			free(data);
290 			odb->data = NULL;
298 	if (!odb->data)
300 	return odb->data->ref_count;
306 	return odb->data->base_memory;
312 	odb_data_t * data = odb->data;
315 	if (!data)
318 	size = tables_size(data, data->descr->size);
319 	msync(data->base_memory, size, MS_ASYNC);