269 	__nis_hash_item_mt	*item = arg;  in __nis_insert_item_mt()  local
273 	if (item == 0 || __nis_lock_hash_table(table, 0, "nitmt") == 0)  in __nis_insert_item_mt()
276 	if ((*(pp = __find_item_mt(item->name, table, &key))) != 0) {  in __nis_insert_item_mt()
281 	(void) pthread_cond_init(&item->lock, 0);  in __nis_insert_item_mt()
282 	item->readers = item->writer = 0;  in __nis_insert_item_mt()
283 	item->last_reader_id = item->writer_id = INV_PTHREAD_ID;  in __nis_insert_item_mt()
285 		item->writer = 1;  in __nis_insert_item_mt()
286 		item->writer_id = pthread_self();  in __nis_insert_item_mt()
289 		item->readers = 1;  in __nis_insert_item_mt()
290 		item->last_reader_id = pthread_self();  in __nis_insert_item_mt()
293 	item->next	= *pp;  in __nis_insert_item_mt()
294 	*pp		= item;  in __nis_insert_item_mt()
295 	item->keychain	= key;  in __nis_insert_item_mt()
298 		table->first->prv_item = item;  in __nis_insert_item_mt()
300 	item->nxt_item	= table->first;  in __nis_insert_item_mt()
301 	item->prv_item	= NULL;  in __nis_insert_item_mt()
302 	table->first	= item;  in __nis_insert_item_mt()
312 	__nis_hash_item_mt	*item;  in __nis_insert_name_mt()  local
317 	if ((item = malloc(sizeof (*item))) == 0) {  in __nis_insert_name_mt()
322 	if ((item->name = strdup(name)) == 0) {  in __nis_insert_name_mt()
324 		free(item);  in __nis_insert_name_mt()
328 	if (! __nis_insert_item_mt(item, table, 0)) {  in __nis_insert_name_mt()
329 		free(item->name);  in __nis_insert_name_mt()
330 		free(item);  in __nis_insert_name_mt()
348 	__nis_hash_item_mt	*item;  in __nis_find_item_mt()  local
367 	while ((item = *__find_item_mt(name, table, 0)) != 0) {  in __nis_find_item_mt()
369 				(item->writer == 0 && item->readers == 0))  in __nis_find_item_mt()
371 		if (item->writer == 0 && readwrite > 0)  in __nis_find_item_mt()
373 		if ((item->writer != 0 && item->writer_id == me))  in __nis_find_item_mt()
380 		(void) pthread_cond_wait(&item->lock, &table->lock);  in __nis_find_item_mt()
383 	if (item != 0) {  in __nis_find_item_mt()
385 			if (item->writer == 0) {  in __nis_find_item_mt()
386 				item->writer_id = me;  in __nis_find_item_mt()
389 			item->writer++;  in __nis_find_item_mt()
391 			if (item->readers == 0) {  in __nis_find_item_mt()
394 			item->last_reader_id = me;  in __nis_find_item_mt()
395 			item->readers++;  in __nis_find_item_mt()
401 	return (item);  in __nis_find_item_mt()
407 	__nis_hash_item_mt	*item, *cur, *prev;  in __nis_pop_item_mt()  local
415 	while ((item = table->first) != 0) {  in __nis_pop_item_mt()
418 		if (item->readers == 0 && item->writer == 0)  in __nis_pop_item_mt()
420 		if (item->writer != 0 && item->writer_id == mtid)  in __nis_pop_item_mt()
422 		(void) pthread_cond_wait(&item->lock, &table->lock);  in __nis_pop_item_mt()
426 	if (item == 0) {  in __nis_pop_item_mt()
432 	for (cur = table->keys[item->keychain]; cur;  in __nis_pop_item_mt()
434 		if (cur == item) {  in __nis_pop_item_mt()
453 	item->keychain = -1;  in __nis_pop_item_mt()
457 			(item->writer > 0 || item->readers > 0)) {  in __nis_pop_item_mt()
469 	(void) pthread_cond_signal(&item->lock);  in __nis_pop_item_mt()
470 	(void) pthread_cond_destroy(&item->lock);  in __nis_pop_item_mt()
476 	if (item->readers == 0 && item->writer == 0 &&  in __nis_pop_item_mt()
478 		(*table->destroyItem)(item);  in __nis_pop_item_mt()
479 		item = 0;  in __nis_pop_item_mt()
481 		item->next = 0;  in __nis_pop_item_mt()
482 		item->prv_item = 0;  in __nis_pop_item_mt()
483 		item->nxt_item = 0;  in __nis_pop_item_mt()
494 	return ((item != 0) ? item : __nis_pop_item_mt(table));  in __nis_pop_item_mt()
581 	__nis_hash_item_mt	*item = arg;  in __nis_release_item()  local
584 	if (item == 0 || __nis_lock_hash_table(table, 0, "nreli") == 0)  in __nis_release_item()
587 	if ((readwrite < 0 && abs(readwrite) > item->writer) ||  in __nis_release_item()
588 		(readwrite < 0 && item->writer > 0 &&  in __nis_release_item()
589 			item->writer_id != pthread_self()) ||  in __nis_release_item()
590 		(readwrite > 0 && readwrite > item->readers)) {  in __nis_release_item()
597 		item->writer += readwrite;  in __nis_release_item()
598 		if (item->writer == 0 && item->keychain >= 0) {  in __nis_release_item()
604 		item->readers -= readwrite;  in __nis_release_item()
605 		item->last_reader_id = INV_PTHREAD_ID;  in __nis_release_item()
606 		if (item->readers == 0 && item->keychain >= 0) {  in __nis_release_item()
619 		(void) pthread_cond_signal(&item->lock);  in __nis_release_item()
626 	if (item->keychain < 0 &&  in __nis_release_item()
627 			item->readers == 0 && item->writer == 0 &&  in __nis_release_item()
628 			item->next == 0 &&  in __nis_release_item()
629 			item->prv_item == 0 && item->nxt_item == 0 &&  in __nis_release_item()
631 		(*table->destroyItem)(item);  in __nis_release_item()
645 	__nis_hash_item_mt	*item = arg;  in __nis_item_access()  local
647 	if (item != 0) {  in __nis_item_access()
648 		if (item->writer > 0) {  in __nis_item_access()
649 			if (item->writer_id != pthread_self())  in __nis_item_access()
652 		} else if (item->readers > 0) {  in __nis_item_access()