lib/device/dev-cache.c

54 } _cache;
56 #define _alloc(x) dm_pool_zalloc(_cache.mem, (x))
57 #define _free(x) dm_pool_free(_cache.mem, (x))
58 #define _strdup(x) dm_pool_strdup(_cache.mem, (x))
147 	if (_cache.preferred_names_matcher)
168 	if (_cache.preferred_names_matcher) {
169 		m0 = dm_regex_match(_cache.preferred_names_matcher, path0);
170 		m1 = dm_regex_match(_cache.preferred_names_matcher, path1);
258 	if (!(sl->str = dm_pool_strdup(_cache.mem, path)))
290 		if (dm_hash_lookup(_cache.names, path))
297 	if (!(dev = (struct device *) btree_lookup(_cache.devices,
306 		if (!(btree_insert(_cache.devices, (uint32_t) d, dev))) {
318 	if (!dm_hash_insert(_cache.names, path, dev)) {
466 	if (_cache.has_scanned && !dev_scan)
469 	dm_list_iterate_items(dl, &_cache.dirs)
472 	dm_list_iterate_items(dl, &_cache.files)
475 	_cache.has_scanned = 1;
481 	return _cache.has_scanned;
487 		_cache.has_scanned = 1;
501 	_cache.preferred_names_matcher = NULL;
536 	if (!(_cache.preferred_names_matcher =
537 		dm_regex_create(_cache.mem,(const char **) regex, count))) {
552 	_cache.names = NULL;
553 	_cache.has_scanned = 0;
555 	if (!(_cache.mem = dm_pool_create("dev_cache", 10 * 1024)))
558 	if (!(_cache.names = dm_hash_create(128))) {
559 		dm_pool_destroy(_cache.mem);
560 		_cache.mem = 0;
564 	if (!(_cache.devices = btree_create(_cache.mem))) {
569 	dm_list_init(&_cache.dirs);
570 	dm_list_init(&_cache.files);
590 	dm_hash_iter(_cache.names, (dm_hash_iterate_fn) _check_closed);
595 	if (_cache.names)
598 	if (_cache.preferred_names_matcher)
599 		_cache.preferred_names_matcher = NULL;
601 	if (_cache.mem) {
602 		dm_pool_destroy(_cache.mem);
603 		_cache.mem = NULL;
606 	if (_cache.names) {
607 		dm_hash_destroy(_cache.names);
608 		_cache.names = NULL;
611 	_cache.devices = NULL;
612 	_cache.has_scanned = 0;
613 	dm_list_init(&_cache.dirs);
614 	dm_list_init(&_cache.files);
639 	dm_list_add(&_cache.dirs, &dl->list);
665 	dm_list_add(&_cache.files, &dl->list);
701 		dm_hash_remove(_cache.names, name);
725 	struct device *d = (struct device *) dm_hash_lookup(_cache.names, name);
732 		dm_hash_remove(_cache.names, name);
738 		d = (struct device *) dm_hash_lookup(_cache.names, name);
741 			d = (struct device *) dm_hash_lookup(_cache.names, name);
765 	di->current = btree_first(_cache.devices);