db-4.7.25.NC/lock/lock_id.c

139 	DB_LOCKER *sh_locker;
165 	     __lock_getlocker_int(env->lk_handle, id, 0, &sh_locker)) == 0) {
166 		if (sh_locker != NULL)
167 			ret = __lock_freelocker(lt, region, sh_locker);
189 __lock_id_free(env, sh_locker)
191 	DB_LOCKER *sh_locker;
201 	if (sh_locker->nlocks != 0) {
208 	ret = __lock_freelocker(lt, region, sh_locker);
283 	DB_LOCKER *sh_locker;
297 	SH_TAILQ_FOREACH(sh_locker, &lt->locker_tab[indx], links, __db_locker)
298 		if (sh_locker->id == locker)
300 	if (sh_locker == NULL && create) {
302 		if ((sh_locker = SH_TAILQ_FIRST(
306 		    &region->free_lockers, sh_locker, links, __db_locker);
312 		sh_locker->id = locker;
314 		    env->dbenv, &sh_locker->pid, &sh_locker->tid);
315 		sh_locker->dd_id = 0;
316 		sh_locker->master_locker = INVALID_ROFF;
317 		sh_locker->parent_locker = INVALID_ROFF;
318 		SH_LIST_INIT(&sh_locker->child_locker);
319 		sh_locker->flags = 0;
320 		SH_LIST_INIT(&sh_locker->heldby);
321 		sh_locker->nlocks = 0;
322 		sh_locker->nwrites = 0;
323 		sh_locker->lk_timeout = 0;
324 		timespecclear(&sh_locker->tx_expire);
325 		timespecclear(&sh_locker->lk_expire);
328 		    &lt->locker_tab[indx], sh_locker, links, __db_locker);
330 		    sh_locker, ulinks, __db_locker);
333 	*retp = sh_locker;
405 __lock_freefamilylocker(lt, sh_locker)
407 	DB_LOCKER *sh_locker;
416 	if (sh_locker == NULL)
421 	if (SH_LIST_FIRST(&sh_locker->heldby, __db_lock) != NULL) {
428 	if (sh_locker->master_locker != INVALID_ROFF)
429 		SH_LIST_REMOVE(sh_locker, child_link, __db_locker);
431 	ret = __lock_freelocker(lt, region, sh_locker);
446 __lock_freelocker(lt, region, sh_locker)
449 	DB_LOCKER *sh_locker;
453 	LOCKER_HASH(lt, region, sh_locker->id, indx);
454 	SH_TAILQ_REMOVE(&lt->locker_tab[indx], sh_locker, links, __db_locker);
456 	    &region->free_lockers, sh_locker, links, __db_locker);
457 	SH_TAILQ_REMOVE(&region->lockers, sh_locker, ulinks, __db_locker);