191 static int psem_cache_add(struct pseminfo *psemp, struct psemname *pnp, struct psemcache *pcp);
192 static void psem_cache_delete(struct psemcache *pcp);
209 	struct psemcache *pcp, *nnp;  in psem_cache_search()  local
218 	for (pcp = pcpp->lh_first; pcp != 0; pcp = nnp) {  in psem_cache_search()
219 		nnp = pcp->psem_hash.le_next;  in psem_cache_search()
220 		if (pcp->psem_nlen == pnp->psem_namelen &&  in psem_cache_search()
221 		    !bcmp(pcp->psem_name, pnp->psem_nameptr, pcp->psem_nlen)) {  in psem_cache_search()
226 	if (pcp == 0) {  in psem_cache_search()
232 	if (pcp->pseminfo) {  in psem_cache_search()
235 		*psemp = pcp->pseminfo;  in psem_cache_search()
236 		*pcache = pcp;  in psem_cache_search()
252 psem_cache_add(struct pseminfo *psemp, struct psemname *pnp, struct psemcache *pcp)  in psem_cache_add()  argument
279 	pcp->pseminfo = psemp;  in psem_cache_add()
280 	pcp->psem_nlen = pnp->psem_namelen;  in psem_cache_add()
281 	bcopy(pnp->psem_nameptr, pcp->psem_name, pcp->psem_nlen);  in psem_cache_add()
288 			if (p == pcp) {  in psem_cache_add()
294 	LIST_INSERT_HEAD(pcpp, pcp, psem_hash);  in psem_cache_add()
308 psem_cache_delete(struct psemcache *pcp)  in psem_cache_delete()  argument
311 	if (pcp->psem_hash.le_prev == 0) {  in psem_cache_delete()
314 	if (pcp->psem_hash.le_next == pcp) {  in psem_cache_delete()
318 	LIST_REMOVE(pcp, psem_hash);  in psem_cache_delete()
319 	pcp->psem_hash.le_prev = NULL;  in psem_cache_delete()
331 	struct psemcache *pcp, *tmppcp;  in psem_cache_purge_all()  local
341 		LIST_FOREACH_SAFE(pcp, pcpp, psem_hash, tmppcp) {  in psem_cache_purge_all()
342 			assert(pcp->psem_nlen);  in psem_cache_purge_all()
346 			error = psem_unlink_internal(pcp->pseminfo, pcp);  in psem_cache_purge_all()
393 	struct psemcache *pcp = PSEMCACHE_NULL;  in sem_open()  local
457 	pcp = kalloc_type(struct psemcache, Z_WAITOK | Z_ZERO | Z_NOFAIL);  in sem_open()
576 		if ((error = psem_cache_add(pinfo, &nd, pcp))) {  in sem_open()
590 		kfree_type(struct psemcache, pcp);  in sem_open()
591 		pcp = PSEMCACHE_NULL;  in sem_open()
618 	kfree_type(struct psemcache, pcp);  in sem_open()